Reference

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Top 100 Paid Reference Apps

Sky Guide: View Stars Night or Day - Fifth Star Labs LLC
Sky Guide: View Stars Night or Day – Fifth Star Labs LLC
no app image

Rank: 1

Category: Reference

Released: 2013-05-06

Price: $2.99

WolframAlpha - Wolfram Group LLC
WolframAlpha – Wolfram Group LLC
no app image

Rank: 2

Category: Reference

Released: 2009-10-18

Price: $2.99

Night Sky 4 - iCandi Apps
Night Sky 4 – iCandi Apps
no app image

Rank: 3

Category: Reference

Released: 2011-11-01

Price: $0.99

Speak & Translate - Live Voice and Text Translator - Apalon Apps
Speak & Translate - Live Voice and Text Translator – Apalon Apps
no app image

Rank: 4

Category: Reference

Released: 2014-01-31

Price: $14.99

Dictionary.com Dictionary & Thesaurus Premium - Dictionary.com, LLC
Dictionary.com Dictionary & Thesaurus Premium – Dictionary.com, LLC
no app image

Rank: 5

Category: Reference

Released: 2010-08-10

Price: $4.99

Merriam-Webster Dictionary & Thesaurus - Merriam-Webster, Inc.
Merriam-Webster Dictionary & Thesaurus – Merriam-Webster, Inc.
no app image

Rank: 6

Category: Reference

Released: 2011-12-08

Price: $3.99

e-Sword LT: Bible Study on the Go - Rick Meyers
e-Sword LT: Bible Study on the Go – Rick Meyers
no app image

Rank: 7

Category: Reference

Released: 2013-04-20

Price: $1.99

CCW – Concealed Carry 50 State Guide - Workman Consulting LLC
CCW – Concealed Carry 50 State Guide – Workman Consulting LLC
no app image

Rank: 8

Category: Reference

Released: 2011-06-16

Price: $1.99

Knots 3D - Nynix
Knots 3D – Nynix
no app image

Rank: 9

Category: Reference

Released: 2011-09-09

Price: $1.99

PRO - Mario kart 8 boomerang ATV Version Guide - Quyen Linh
PRO – Mario kart 8 boomerang ATV Version Guide – Quyen Linh
no app image

Rank: 10

Category: Reference

Released: 2016-01-24

Price: $0.99

iHandy Translator Pro - iHandy Inc.
iHandy Translator Pro – iHandy Inc.
no app image

Rank: 11

Category: Reference

Released: 2010-12-10

Price: $2.99

RhymeZone - Datamuse Corporation
RhymeZone – Datamuse Corporation
no app image

Rank: 12

Category: Reference

Released: 2012-01-22

Price: $2.99

iCorps: Pocket Reference - Dunn-Carabali LLC
iCorps: Pocket Reference – Dunn-Carabali LLC
no app image

Rank: 13

Category: Reference

Released: 2009-05-20

Price: $1.99

Farming Pro Simulator 2017 : Roaring Machines ! - Tain Lu
Farming Pro Simulator 2017 : Roaring Machines ! – Tain Lu
no app image

Rank: 14

Category: Reference

Released: 2016-09-17

Price: $2.99

Ready Reference - Paul Sain
Ready Reference – Paul Sain
no app image

Rank: 15

Category: Reference

Released: 2016-09-26

Price: $4.99

Voice Translator with Offline Dictionary - Speak and Translate Foreign Languages Instantly - BPMobile
Voice Translator with Offline Dictionary – Speak and Translate Foreign Languages Instantly – BPMobile
no app image

Rank: 16

Category: Reference

Released: 2015-09-14

Price: $7.99

Legal Heat - 50 State Guide to Firearm Law - National Training Solutions, Inc.
Legal Heat – 50 State Guide to Firearm Law – National Training Solutions, Inc.
no app image

Rank: 17

Category: Reference

Released: 2012-02-09

Price: $0.99

Fighter Verses - memorize bible verses / scripture memory - Children Desiring God
Fighter Verses – memorize bible verses / scripture memory – Children Desiring God
no app image

Rank: 18

Category: Reference

Released: 2010-12-23

Price: $2.99

Catholic New American Bible Revised Edition - greg fairbrother
Catholic New American Bible Revised Edition – greg fairbrother
no app image

Rank: 19

Category: Reference

Released: 2011-08-24

Price: $2.99

Strong
Strong’s Concordance – Orion Systems
no app image

Rank: 20

Category: Reference

Released: 2010-12-08

Price: $4.99

iQuran - Beehive Innovations Limited
iQuran – Beehive Innovations Limited
no app image

Rank: 21

Category: Reference

Released: 2008-07-18

Price: $1.99

iBird Pro Guide to Birds - Mitch Waite Group
iBird Pro Guide to Birds – Mitch Waite Group
no app image

Rank: 22

Category: Reference

Released: 2009-03-26

Price: $14.99

Easy To Use GIMP Edition - Nguyen Thuc
Easy To Use GIMP Edition – Nguyen Thuc
no app image

Rank: 23

Category: Reference

Released: 2015-11-18

Price: $1.99

A NEC® 2014 Quick Reference - Alan Cave
A NEC® 2014 Quick Reference – Alan Cave
no app image

Rank: 24

Category: Reference

Released: 2014-08-13

Price: $1.99

Animated Knots by Grog - Grog LLC
Animated Knots by Grog – Grog LLC
no app image

Rank: 25

Category: Reference

Released: 2010-06-24

Price: $4.99

English / French dictionary - Editions Larousse
English / French dictionary – Editions Larousse
no app image

Rank: 26

Category: Reference

Released: 2009-12-08

Price: $4.99

Adult Emoji Emoticons Pro - Smiley New Icons Faces - Lin Kong
Adult Emoji Emoticons Pro – Smiley New Icons Faces – Lin Kong
no app image

Rank: 27

Category: Reference

Released: 2016-06-03

Price: $2.99

Pocket Rally Obedience - 2016 - Blue Ribbon Dogs
Pocket Rally Obedience – 2016 – Blue Ribbon Dogs
no app image

Rank: 28

Category: Reference

Released: 2016-06-06

Price: $1.99

iMissal Catholic (Mass Reading, Calendar, Lectionary) - Cantcha, Inc.
iMissal Catholic (Mass Reading, Calendar, Lectionary) – Cantcha, Inc.
no app image

Rank: 29

Category: Reference

Released: 2009-03-26

Price: $4.99

First Responder Support Tools (FiRST) - Applied Research Associates
First Responder Support Tools (FiRST) – Applied Research Associates
no app image

Rank: 30

Category: Reference

Released: 2011-11-22

Price: $4.99

Holy Rosary Audio - HANDECH INTERNATIONAL LIMITED
Holy Rosary Audio – HANDECH INTERNATIONAL LIMITED
no app image

Rank: 31

Category: Reference

Released: 2009-01-23

Price: $0.99

The Sibley eGuide to the Birds of North America - mydigitalearth.com
The Sibley eGuide to the Birds of North America – mydigitalearth.com
no app image

Rank: 32

Category: Reference

Released: 2010-02-10

Price: $19.99

Bitmoji Keyboard for IPad - Your Avatar Emoji. - Giang Hoang
Bitmoji Keyboard for IPad – Your Avatar Emoji. – Giang Hoang
no app image

Rank: 33

Category: Reference

Released: 2016-09-22

Price: $2.99

Dictionary Pro - Offline & Ad-Free Dictionary and Thesaurus - Farlex, Inc.
Dictionary Pro – Offline & Ad-Free Dictionary and Thesaurus – Farlex, Inc.
no app image

Rank: 34

Category: Reference

Released: 2012-04-30

Price: $3.99

Bible Verses: Pro - Skol Games LLC
Bible Verses: Pro – Skol Games LLC
no app image

Rank: 35

Category: Reference

Released: 2013-05-03

Price: $0.99

Forvo Pronunciation - Forvo Media SL
Forvo Pronunciation – Forvo Media SL
no app image

Rank: 36

Category: Reference

Released: 2010-06-23

Price: $2.99

ArtPose Female Edition - shawn ogle
ArtPose Female Edition – shawn ogle
no app image

Rank: 37

Category: Reference

Released: 2014-07-24

Price: $2.99

Touch Bible (KJV + Strong
Touch Bible (KJV + Strong’s Concordance) – Patrick Franklin
no app image

Rank: 38

Category: Reference

Released: 2009-12-15

Price: $0.99

SCRABBLE Dictionary - Merriam-Webster, Inc.
SCRABBLE Dictionary – Merriam-Webster, Inc.
no app image

Rank: 39

Category: Reference

Released: 2012-08-20

Price: $4.99

Bible Memory: Remember Me - Hippo Mobile Solutions
Bible Memory: Remember Me – Hippo Mobile Solutions
no app image

Rank: 40

Category: Reference

Released: 2012-02-28

Price: $2.99

1828 Webster Dictionary - Librainia
1828 Webster Dictionary – Librainia
no app image

Rank: 41

Category: Reference

Released: 2015-12-19

Price: $1.99

Bizarre Holiday Calendar - Celebrate when every day is a holiday - Matthew King
Bizarre Holiday Calendar – Celebrate when every day is a holiday – Matthew King
no app image

Rank: 42

Category: Reference

Released: 2009-02-25

Price: $0.99

English Thesaurus - Word Magic Software
English Thesaurus – Word Magic Software
no app image

Rank: 43

Category: Reference

Released: 2011-03-03

Price: $2.99

欧路英语词典 Eudic 增强版 - QianYan Network
欧路英语词典 Eudic 增强版 – QianYan Network
no app image

Rank: 44

Category: Reference

Released: 2010-11-02

Price: $0.99

Retro Collector - NES Edition (PureGaming.org) - Pieterjan Vandegaer
Retro Collector – NES Edition (PureGaming.org) – Pieterjan Vandegaer
no app image

Rank: 45

Category: Reference

Released: 2010-08-20

Price: $3.99

Quran Majeed - Muslim Prayer Times - Qibla Compass Islam - القرآن - Pakistan Data Management Services
Quran Majeed – Muslim Prayer Times – Qibla Compass Islam – القرآن – Pakistan Data Management Services
no app image

Rank: 46

Category: Reference

Released: 2010-04-06

Price: $4.99

SkyView® Satellite Guide: Find space junk, space stations, and more day or night - Terminal Eleven LLC
SkyView® Satellite Guide: Find space junk, space stations, and more day or night – Terminal Eleven LLC
no app image

Rank: 47

Category: Reference

Released: 2013-09-06

Price: $3.99

National Geographic World Atlas - National Geographic Society
National Geographic World Atlas – National Geographic Society
no app image

Rank: 48

Category: Reference

Released: 2010-04-01

Price: $1.99

Zap-Kapow! The Comic Book Price Guide - Bam Ninja LLC
Zap-Kapow! The Comic Book Price Guide – Bam Ninja LLC
no app image

Rank: 49

Category: Reference

Released: 2009-07-03

Price: $2.99

NY Penal Law 2016 - New York Statutes - PDA Wizard
NY Penal Law 2016 – New York Statutes – PDA Wizard
no app image

Rank: 50

Category: Reference

Released: 2013-12-28

Price: $6.99

Samoa Language - Nikle LLC
Samoa Language – Nikle LLC
no app image

Rank: 51

Category: Reference

Released: 2009-11-19

Price: $0.99

OilField Formulas for iHandy Calc. - zhandos uakanov
OilField Formulas for iHandy Calc. – zhandos uakanov
no app image

Rank: 52

Category: Reference

Released: 2014-05-12

Price: $1.99

LookUp: An elegant dictionary - Rajesh Bhargava
LookUp: An elegant dictionary – Rajesh Bhargava
no app image

Rank: 53

Category: Reference

Released: 2014-05-29

Price: $2.99

Multiplayer for Terraria - Lime Works, LLC
Multiplayer for Terraria – Lime Works, LLC
no app image

Rank: 54

Category: Reference

Released: 2014-10-15

Price: $0.99

NEC 2014 Edition - NFPA
NEC 2014 Edition – NFPA
no app image

Rank: 55

Category: Reference

Released: 2013-10-11

Price: $79.99

USA Marijuana Laws State by State - Stratagem PM
USA Marijuana Laws State by State – Stratagem PM
no app image

Rank: 56

Category: Reference

Released: 2013-12-30

Price: $1.99

CoinBook Pro: A Catalog of U.S. Coins - an app about dollar, cash & coin - PocketSoft LLC
CoinBook Pro: A Catalog of U.S. Coins – an app about dollar, cash & coin – PocketSoft LLC
no app image

Rank: 57

Category: Reference

Released: 2011-10-28

Price: $2.99

Rhyme Time | Rhyming Dictionary for Song Writers, Rappers, Speech Writers, and Poets - AAP
Rhyme Time | Rhyming Dictionary for Song Writers, Rappers, Speech Writers, and Poets – AAP
no app image

Rank: 58

Category: Reference

Released: 2015-03-23

Price: $3.99

NJLaw - Title 39 - Motor Vehicle - Kaboserv.com Development
NJLaw – Title 39 – Motor Vehicle – Kaboserv.com Development
no app image

Rank: 59

Category: Reference

Released: 2012-02-09

Price: $2.99

NJLaw - Title 2C - Criminal Law - Kaboserv.com Development
NJLaw – Title 2C – Criminal Law – Kaboserv.com Development
no app image

Rank: 60

Category: Reference

Released: 2012-02-09

Price: $2.99

Asphalt Calculator - Jeremy Breaux
Asphalt Calculator – Jeremy Breaux
no app image

Rank: 61

Category: Reference

Released: 2009-07-05

Price: $0.99

How to Tie Knots 3D - Sergey Burlakov
How to Tie Knots 3D – Sergey Burlakov
no app image

Rank: 62

Category: Reference

Released: 2012-05-04

Price: $1.99

Advanced English Dictionary & Thesaurus - jDictionary Mobile
Advanced English Dictionary & Thesaurus – jDictionary Mobile
no app image

Rank: 63

Category: Reference

Released: 2008-10-13

Price: $1.99

A Pro Guide For Skyrim - Khalil SLIMI
A Pro Guide For Skyrim – Khalil SLIMI
no app image

Rank: 64

Category: Reference

Released: 2012-02-21

Price: $0.99

Kicker U - Stillwater Designs
Kicker U – Stillwater Designs
no app image

Rank: 65

Category: Reference

Released: 2011-02-14

Price: $3.99

DRR Rescue - Tom PENDLEY
DRR Rescue – Tom PENDLEY
no app image

Rank: 66

Category: Reference

Released: 2012-10-24

Price: $9.99

Concise Oxford English Dictionary with Audio - MobiSystems, Inc.
Concise Oxford English Dictionary with Audio – MobiSystems, Inc.
no app image

Rank: 67

Category: Reference

Released: 2013-07-11

Price: $11.99

MineMaps - Free Maps for Minecraft PE - Prisma bible Nguyen
MineMaps – Free Maps for Minecraft PE – Prisma bible Nguyen
no app image

Rank: 68

Category: Reference

Released: 2016-06-09

Price: $0.99

iTranslate with Text to Speech Chinese to English - G.P. Imports, Inc.
iTranslate with Text to Speech Chinese to English – G.P. Imports, Inc.
no app image

Rank: 69

Category: Reference

Released: 2009-11-20

Price: $0.99

TX Family Code 2016 - Texas Law - PDA Wizard
TX Family Code 2016 – Texas Law – PDA Wizard
no app image

Rank: 70

Category: Reference

Released: 2014-04-15

Price: $6.99

NFPA 99 2012 Edition - NFPA
NFPA 99 2012 Edition – NFPA
no app image

Rank: 71

Category: Reference

Released: 2012-12-20

Price: $9.99

Life and Health Insurance License Exam:Study Guide - Steve Chang
Life and Health Insurance License Exam:Study Guide – Steve Chang
no app image

Rank: 72

Category: Reference

Released: 2016-09-10

Price: $2.99

Tehilim - תהלים Tehillim Psalms - RustyBrick, Inc.
Tehilim – תהלים Tehillim Psalms – RustyBrick, Inc.
no app image

Rank: 73

Category: Reference

Released: 2008-08-13

Price: $1.99

Orthodox Study Bible - VDUB Software, LLC
Orthodox Study Bible – VDUB Software, LLC
no app image

Rank: 74

Category: Reference

Released: 2012-12-10

Price: $9.99

Finger-Print Camera Security with Touch ID & Secret Pattern Unlock Protect-ion - Oliver Saylor
Finger-Print Camera Security with Touch ID & Secret Pattern Unlock Protect-ion – Oliver Saylor
no app image

Rank: 75

Category: Reference

Released: 2014-12-29

Price: $1.99

iRosary (Catholic Rosary) - Opicury Software
iRosary (Catholic Rosary) – Opicury Software
no app image

Rank: 76

Category: Reference

Released: 2009-01-07

Price: $2.99

Book Notes - Summaries of Classic Literature Read Study Guides with Spritz Spark Cliffs - Wasdesign, LLC
Book Notes – Summaries of Classic Literature Read Study Guides with Spritz Spark Cliffs – Wasdesign, LLC
no app image

Rank: 77

Category: Reference

Released: 2014-05-21

Price: $1.99

SKJV - Brian T. Webb
SKJV – Brian T. Webb
no app image

Rank: 78

Category: Reference

Released: 2010-06-29

Price: $4.99

Longman Advanced American Dictionary (with audio) - Pearson Education
Longman Advanced American Dictionary (with audio) – Pearson Education
no app image

Rank: 79

Category: Reference

Released: 2009-06-12

Price: $19.99

Matthew Henry Commentary - George Dimidik
Matthew Henry Commentary – George Dimidik
no app image

Rank: 80

Category: Reference

Released: 2010-01-02

Price: $1.99

myDuaa: Fortress of a Muslim | حصن المسلم - IhsaanFusion
myDuaa: Fortress of a Muslim | حصن المسلم – IhsaanFusion
no app image

Rank: 81

Category: Reference

Released: 2012-03-18

Price: $0.99

Cheats for FNAF World - Unlock every ending and beat the game with ease! - T-Logic
Cheats for FNAF World – Unlock every ending and beat the game with ease! – T-Logic
no app image

Rank: 82

Category: Reference

Released: 2016-03-03

Price: $2.99

Siddur סדור Zmanim Luach Minyanim סידור לוח זמנים - RustyBrick, Inc.
Siddur סדור Zmanim Luach Minyanim סידור לוח זמנים – RustyBrick, Inc.
no app image

Rank: 83

Category: Reference

Released: 2008-08-03

Price: $9.99

Selichos - סליחות - RustyBrick, Inc.
Selichos – סליחות – RustyBrick, Inc.
no app image

Rank: 84

Category: Reference

Released: 2010-08-25

Price: $2.99

iSpeak Spanish - Future Apps Inc.
iSpeak Spanish – Future Apps Inc.
no app image

Rank: 85

Category: Reference

Released: 2009-02-03

Price: $1.99

Rosary Deluxe Audio - HANDECH INTERNATIONAL LIMITED
Rosary Deluxe Audio – HANDECH INTERNATIONAL LIMITED
no app image

Rank: 86

Category: Reference

Released: 2010-08-18

Price: $1.99

BirdsEye Hotspots - find birding locations worldwide - Nemesis Code
BirdsEye Hotspots – find birding locations worldwide – Nemesis Code
no app image

Rank: 87

Category: Reference

Released: 2013-07-29

Price: $2.99

Remote Controller Codes for AT&T - Head-First Development
Remote Controller Codes for AT&T – Head-First Development
no app image

Rank: 88

Category: Reference

Released: 2013-06-25

Price: $0.99

FAR/AIM - ASA
FAR/AIM – ASA
no app image

Rank: 89

Category: Reference

Released: 2010-03-16

Price: $9.99

Mushroom Id North America - Fungi Identification Guide to Toadstools and Mushrooms - Mullen & Pohland GbR
Mushroom Id North America – Fungi Identification Guide to Toadstools and Mushrooms – Mullen & Pohland GbR
no app image

Rank: 90

Category: Reference

Released: 2014-09-11

Price: $4.99

Posted! - Carry List Anti-Gun Locations - Workman Consulting LLC
Posted! – Carry List Anti-Gun Locations – Workman Consulting LLC
no app image

Rank: 91

Category: Reference

Released: 2012-06-28

Price: $0.99

Bigger Clock - Asteria
Bigger Clock – Asteria
no app image

Rank: 92

Category: Reference

Released: 2010-02-16

Price: $0.99

Obsessive Compulsive Disorder (OCD) Self Help and Recovery Guide:Tutorials with Tips - Steve Chang
Obsessive Compulsive Disorder (OCD) Self Help and Recovery Guide:Tutorials with Tips – Steve Chang
no app image

Rank: 93

Category: Reference

Released: 2016-03-10

Price: $2.99

Spanish For Police - Audio Phrasebook - Fast Wombat, LLC
Spanish For Police – Audio Phrasebook – Fast Wombat, LLC
no app image

Rank: 94

Category: Reference

Released: 2010-05-07

Price: $2.99

KY UORs - bluepoint apps
KY UORs – bluepoint apps
no app image

Rank: 95

Category: Reference

Released: 2010-06-15

Price: $1.99

Terminology 3 - Extensible Dictionary and Thesaurus - Agile Tortoise
Terminology 3 – Extensible Dictionary and Thesaurus – Agile Tortoise
no app image

Rank: 96

Category: Reference

Released: 2013-10-16

Price: $0.99

The Elements in Action by Theodore Gray - Amphio Limited
The Elements in Action by Theodore Gray – Amphio Limited
no app image

Rank: 97

Category: Reference

Released: 2013-11-21

Price: $3.99

Air Assault School Study Guide - ForceReadiness.com
Air Assault School Study Guide – ForceReadiness.com
no app image

Rank: 98

Category: Reference

Released: 2011-11-30

Price: $2.99

iGigBook Mobile Sheet Music Manager - Black & White Software LLC
iGigBook Mobile Sheet Music Manager – Black & White Software LLC
no app image

Rank: 99

Category: Reference

Released: 2010-09-25

Price: $9.99

The Holy Rosary (catholic) - Ruby Software LLC
The Holy Rosary (catholic) – Ruby Software LLC
no app image

Rank: 100

Category: Reference

Released: 2012-10-20

Price: $0.99