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: $1.99

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

Rank: 2

Category: Reference

Released: 2010-08-10

Price: $3.99

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

Rank: 3

Category: Reference

Released: 2009-10-18

Price: $2.99

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

Rank: 4

Category: Reference

Released: 2014-01-31

Price: $4.99

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

Rank: 5

Category: Reference

Released: 2011-11-01

Price: $0.99

Sparker - SparkNotes with Spritz Speedread - Wasdesign, LLC
Sparker – SparkNotes with Spritz Speedread – Wasdesign, LLC
no app image

Rank: 6

Category: Reference

Released: 2014-05-21

Price: $0.99

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

Rank: 7

Category: Reference

Released: 2011-12-08

Price: $3.99

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

Rank: 8

Category: Reference

Released: 2010-12-10

Price: $1.99

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

Rank: 9

Category: Reference

Released: 2011-09-09

Price: $0.99

Night Sky 2 - iCandi Apps
Night Sky 2 – iCandi Apps
no app image

Rank: 10

Category: Reference

Released: 2013-08-01

Price: $0.99

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

Rank: 11

Category: Reference

Released: 2013-04-20

Price: $1.99

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

Rank: 12

Category: Reference

Released: 2009-05-20

Price: $1.99

Thesaurus Rex by Dictionary.com - Dictionary.com, LLC
Thesaurus Rex by Dictionary.com – Dictionary.com, LLC
no app image

Rank: 13

Category: Reference

Released: 2013-03-11

Price: $2.99

American Almanac - Guide for Farmers & Sky Watchers - Tod LLC
American Almanac – Guide for Farmers & Sky Watchers – Tod LLC
no app image

Rank: 14

Category: Reference

Released: 2013-09-07

Price: $1.99

Legal Heat - 50 State Guide to Firearm Law - Legal Heat
Legal Heat – 50 State Guide to Firearm Law – Legal Heat
no app image

Rank: 15

Category: Reference

Released: 2012-02-09

Price: $0.99

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

Rank: 16

Category: Reference

Released: 2011-06-16

Price: $1.99

Divine Office - Audio Prayer - Liturgy of the Hours of the Roman Catholic Church - Surgeworks, Inc.
Divine Office – Audio Prayer – Liturgy of the Hours of the Roman Catholic Church – Surgeworks, Inc.
no app image

Rank: 17

Category: Reference

Released: 2009-01-07

Price: $14.99

Rosary Audio - Gaussian Knights
Rosary Audio – Gaussian Knights
no app image

Rank: 18

Category: Reference

Released: 2013-08-07

Price: $1.99

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

Rank: 19

Category: Reference

Released: 2010-06-24

Price: $4.99

Strong
Strong’s Concordance – Orion Systems
no app image

Rank: 20

Category: Reference

Released: 2010-12-08

Price: $4.99

iPieta (Catholic Teaching, Calendar, and Prayer) - iVerbum
iPieta (Catholic Teaching, Calendar, and Prayer) – iVerbum
no app image

Rank: 21

Category: Reference

Released: 2009-04-09

Price: $0.99

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

Rank: 22

Category: Reference

Released: 2009-01-07

Price: $2.99

howjsay Pronunciation Dictionary - Ever10 Ltd
howjsay Pronunciation Dictionary – Ever10 Ltd
no app image

Rank: 23

Category: Reference

Released: 2009-10-15

Price: $2.99

Audubon Birds Pro - Green Mountain Digital
Audubon Birds Pro – Green Mountain Digital
no app image

Rank: 24

Category: Reference

Released: 2009-10-11

Price: $4.99

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

Rank: 25

Category: Reference

Released: 2014-05-15

Price: $19.99

CamDictionary - IntSig Information Co.,Ltd
CamDictionary – IntSig Information Co.,Ltd
no app image

Rank: 26

Category: Reference

Released: 2010-12-14

Price: $1.99

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

Rank: 27

Category: Reference

Released: 2009-06-12

Price: $19.99

Army Uniforms and Insignia (AR/DA PAM 670-1) - ForceReadiness.com
Army Uniforms and Insignia (AR/DA PAM 670-1) – ForceReadiness.com
no app image

Rank: 28

Category: Reference

Released: 2011-08-05

Price: $1.99

Japanese - renzo Inc.
Japanese – renzo Inc.
no app image

Rank: 29

Category: Reference

Released: 2008-09-15

Price: $4.99

Midori (Japanese Dictionary) - Sukolsak Sakshuwong
Midori (Japanese Dictionary) – Sukolsak Sakshuwong
no app image

Rank: 30

Category: Reference

Released: 2010-08-10

Price: $9.99

Pokemon Black and White App - Michael Sayman
Pokemon Black and White App – Michael Sayman
no app image

Rank: 31

Category: Reference

Released: 2011-04-14

Price: $0.99

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

Rank: 32

Category: Reference

Released: 2009-12-08

Price: $4.99

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

Rank: 33

Category: Reference

Released: 2010-04-01

Price: $1.99

Voice Search - Quanticapps
Voice Search – Quanticapps
no app image

Rank: 34

Category: Reference

Released: 2012-03-12

Price: $2.99

User Guide for iPhone - Arx Apps
User Guide for iPhone – Arx Apps
no app image

Rank: 35

Category: Reference

Released: 2010-12-15

Price: $0.99

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

Rank: 36

Category: Reference

Released: 2012-03-18

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: 37

Category: Reference

Released: 2010-02-10

Price: $19.99

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: 38

Category: Reference

Released: 2013-09-06

Price: $2.99

NY Penal Law 2014 - New York Statutes - PDA Wizard
NY Penal Law 2014 – New York Statutes – PDA Wizard
no app image

Rank: 39

Category: Reference

Released: 2013-12-28

Price: $5.99

Cuts of Meat - Primolicious LLC
Cuts of Meat – Primolicious LLC
no app image

Rank: 40

Category: Reference

Released: 2012-05-23

Price: $1.99

Rapid Reader - with Spritz - Wasdesign, LLC
Rapid Reader – with Spritz – Wasdesign, LLC
no app image

Rank: 41

Category: Reference

Released: 2014-06-21

Price: $2.99

iBartender Drink & Cocktail Recipes - Kevin Kozan
iBartender Drink & Cocktail Recipes – Kevin Kozan
no app image

Rank: 42

Category: Reference

Released: 2008-07-31

Price: $0.99

Shift Codes for Borderlands 2 Pro - GalaTech LLC [US]
Shift Codes for Borderlands 2 Pro – GalaTech LLC [US]
no app image

Rank: 43

Category: Reference

Released: 2013-10-03

Price: $0.99

Mushroom Id North America - Fungi Identification Guide to Toadstools and Mushrooms - Isoperla
Mushroom Id North America – Fungi Identification Guide to Toadstools and Mushrooms – Isoperla
no app image

Rank: 44

Category: Reference

Released: 2014-09-11

Price: $4.99

PALaw Title 18 - Criminal Law - Kaboserv.com Development
PALaw Title 18 – Criminal Law – Kaboserv.com Development
no app image

Rank: 45

Category: Reference

Released: 2012-05-09

Price: $2.99

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

Rank: 46

Category: Reference

Released: 2009-01-23

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: 47

Category: Reference

Released: 2010-12-23

Price: $2.99

Black Book iUsedCar - Black Book
Black Book iUsedCar – Black Book
no app image

Rank: 48

Category: Reference

Released: 2010-02-25

Price: $1.99

RhymeZone - Datamuse Corporation
RhymeZone – Datamuse Corporation
no app image

Rank: 49

Category: Reference

Released: 2012-01-22

Price: $2.99

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

Rank: 50

Category: Reference

Released: 2012-08-20

Price: $4.99

Peterson Birds Pocket Edition - A Field Guide to Birds of North America - Houghton Mifflin Harcourt
Peterson Birds Pocket Edition – A Field Guide to Birds of North America – Houghton Mifflin Harcourt
no app image

Rank: 51

Category: Reference

Released: 2013-05-13

Price: $0.99

Ultimate Terraria Guide !! - Ahmed El-kalaa
Ultimate Terraria Guide !! – Ahmed El-kalaa
no app image

Rank: 52

Category: Reference

Released: 2014-04-29

Price: $0.99

Star Tracker for iPhone 6 - Best StarGazing app to Explore the Universe - Shen Ji Pan
Star Tracker for iPhone 6 – Best StarGazing app to Explore the Universe – Shen Ji Pan
no app image

Rank: 53

Category: Reference

Released: 2011-12-02

Price: $2.99

Catholic Bible - Just1Word, Inc.
Catholic Bible – Just1Word, Inc.
no app image

Rank: 54

Category: Reference

Released: 2011-08-23

Price: $1.99

Cheats for Sims 3 World Adventures - Malibu Apps
Cheats for Sims 3 World Adventures – Malibu Apps
no app image

Rank: 55

Category: Reference

Released: 2011-10-26

Price: $0.99

NIV+ Bible - Nelson Media, Inc.
NIV+ Bible – Nelson Media, Inc.
no app image

Rank: 56

Category: Reference

Released: 2008-09-29

Price: $9.99

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

Rank: 57

Category: Reference

Released: 2013-05-03

Price: $0.99

Quran Reader - Batoul Apps
Quran Reader – Batoul Apps
no app image

Rank: 58

Category: Reference

Released: 2009-02-27

Price: $3.99

CloseTheSale Full Version - Cardone Training Technologies Inc.
CloseTheSale Full Version – Cardone Training Technologies Inc.
no app image

Rank: 59

Category: Reference

Released: 2012-01-17

Price: $4.99

Perfect Rhyme - AiMusic, LLC
Perfect Rhyme – AiMusic, LLC
no app image

Rank: 60

Category: Reference

Released: 2008-12-23

Price: $0.99

d20 Rules - ufisk
d20 Rules – ufisk
no app image

Rank: 61

Category: Reference

Released: 2010-04-27

Price: $2.99

Warrior Leader Course - Polemics Applications LLC
Warrior Leader Course – Polemics Applications LLC
no app image

Rank: 62

Category: Reference

Released: 2011-12-14

Price: $0.99

The Prepper
The Prepper’s Bible – Blue Square Group LLC
no app image

Rank: 63

Category: Reference

Released: 2013-02-04

Price: $2.99

Mishnayos with Bartenura (Hebrew) - JewishContent.org
Mishnayos with Bartenura (Hebrew) – JewishContent.org
no app image

Rank: 64

Category: Reference

Released: 2008-12-15

Price: $4.99

RhymeSource - Widemouth
RhymeSource – Widemouth
no app image

Rank: 65

Category: Reference

Released: 2010-03-04

Price: $0.99

HS Code Handbook - Slig Logic
HS Code Handbook – Slig Logic
no app image

Rank: 66

Category: Reference

Released: 2011-02-18

Price: $0.99

Longman Key Words Dictionary - Pearson Education
Longman Key Words Dictionary – Pearson Education
no app image

Rank: 67

Category: Reference

Released: 2010-01-26

Price: $7.99

iman Pro - Islamic prayer time app - Adiman
iman Pro – Islamic prayer time app – Adiman
no app image

Rank: 68

Category: Reference

Released: 2013-01-14

Price: $1.99

Hokkien - Mobility Mind
Hokkien – Mobility Mind
no app image

Rank: 69

Category: Reference

Released: 2010-03-25

Price: $0.99

Stories of The Prophets in Al-Quran 1 - Encoral Digital Solutions
Stories of The Prophets in Al-Quran 1 – Encoral Digital Solutions
no app image

Rank: 70

Category: Reference

Released: 2011-09-14

Price: $2.99

Saint Michael Prayers - Ruby Software LLC
Saint Michael Prayers – Ruby Software LLC
no app image

Rank: 71

Category: Reference

Released: 2013-10-30

Price: $0.99

Terraforming Field App - Blue Flame 47, Inc.
Terraforming Field App – Blue Flame 47, Inc.
no app image

Rank: 72

Category: Reference

Released: 2014-02-24

Price: $1.99

Quran Hindi - Phoenix Tronix Inc
Quran Hindi – Phoenix Tronix Inc
no app image

Rank: 73

Category: Reference

Released: 2010-10-08

Price: $2.99

Learn Pashto Writing by WAGmob - WagMob
Learn Pashto Writing by WAGmob – WagMob
no app image

Rank: 74

Category: Reference

Released: 2012-09-09

Price: $1.99

Guide for Family Guy The Quest for Stuff - Walkthrough for City Building, Districts, Actions, Wiki, Tips, Cheats, Strategy Videos and More! - x media
Guide for Family Guy The Quest for Stuff – Walkthrough for City Building, Districts, Actions, Wiki, Tips, Cheats, Strategy Videos and More! – x media
no app image

Rank: 75

Category: Reference

Released: 2014-05-27

Price: $0.99

Car Indicators & Car Warning Lights - Eario Inc.
Car Indicators & Car Warning Lights – Eario Inc.
no app image

Rank: 76

Category: Reference

Released: 2014-07-05

Price: $1.99

Muqaddam - SyaFarZah Enterprise
Muqaddam – SyaFarZah Enterprise
no app image

Rank: 77

Category: Reference

Released: 2013-01-14

Price: $0.99

学说闽南语(有声同步) - QU LIANG JUN
学说闽南语(有声同步) – QU LIANG JUN
no app image

Rank: 78

Category: Reference

Released: 2013-05-01

Price: $0.99

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

Rank: 79

Category: Reference

Released: 2010-06-15

Price: $1.99

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

Rank: 80

Category: Reference

Released: 2009-03-26

Price: $4.99

iQuran - Guided Ways Technologies Ltd
iQuran – Guided Ways Technologies Ltd
no app image

Rank: 81

Category: Reference

Released: 2008-07-18

Price: $1.99

Army Ranger Book Collection and Handbook - Storeboughtmilk LLC
Army Ranger Book Collection and Handbook – Storeboughtmilk LLC
no app image

Rank: 82

Category: Reference

Released: 2011-09-30

Price: $1.99

Hearo (Name Pronunciations) - FIELD Course LLC
Hearo (Name Pronunciations) – FIELD Course LLC
no app image

Rank: 83

Category: Reference

Released: 2014-05-05

Price: $0.99

Dictionary!! - Farlex, Inc.
Dictionary!! – Farlex, Inc.
no app image

Rank: 84

Category: Reference

Released: 2012-04-30

Price: $3.99

myPANTONE™ X-Ref - Pantone
myPANTONE™ X-Ref – Pantone
no app image

Rank: 85

Category: Reference

Released: 2010-04-06

Price: $1.99

Meteor Shower Guide - Clearfield Computing LLC
Meteor Shower Guide – Clearfield Computing LLC
no app image

Rank: 86

Category: Reference

Released: 2011-07-28

Price: $0.99

Cops N Robbs 3D Texture Pack for minecraft - Linda Adler
Cops N Robbs 3D Texture Pack for minecraft – Linda Adler
no app image

Rank: 87

Category: Reference

Released: 2014-09-05

Price: $0.99

PALaw Title 75 - Vehicle Code - Kaboserv.com Development
PALaw Title 75 – Vehicle Code – Kaboserv.com Development
no app image

Rank: 88

Category: Reference

Released: 2012-05-09

Price: $2.99

Full Docs: Microsoft Office Word Edition - App for Microsoft Word and OneDrive Documents, Shortcuts and Tutorials - Office Essentials for Microsoft Office and Google Docs
Full Docs: Microsoft Office Word Edition – App for Microsoft Word and OneDrive Documents, Shortcuts and Tutorials – Office Essentials for Microsoft Office and Google Docs
no app image

Rank: 89

Category: Reference

Released: 2013-12-11

Price: $6.99

PFA Calculator - Evan Burns
PFA Calculator – Evan Burns
no app image

Rank: 90

Category: Reference

Released: 2013-01-24

Price: $0.99

Emoji iOS 7 Edition - KISSAPP, S.L.
Emoji iOS 7 Edition – KISSAPP, S.L.
no app image

Rank: 91

Category: Reference

Released: 2013-07-10

Price: $0.99

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

Rank: 92

Category: Reference

Released: 2009-03-26

Price: $14.99

Pocket Wiki for Terraria™ - Dmytro Momotov
Pocket Wiki for Terraria™ – Dmytro Momotov
no app image

Rank: 93

Category: Reference

Released: 2014-04-19

Price: $1.99

Audubon Trees - Green Mountain Digital
Audubon Trees – Green Mountain Digital
no app image

Rank: 94

Category: Reference

Released: 2009-11-09

Price: $4.99

Mall of America - Guide and Directory - Raging Coders
Mall of America – Guide and Directory – Raging Coders
no app image

Rank: 95

Category: Reference

Released: 2013-02-02

Price: $0.99

Angel Numbers 101 - Doreen Virtue, Ph.D. - Oceanhouse Media
Angel Numbers 101 – Doreen Virtue, Ph.D. – Oceanhouse Media
no app image

Rank: 96

Category: Reference

Released: 2011-12-14

Price: $4.99

ESV Study Bible + - Crossway
ESV Study Bible + – Crossway
no app image

Rank: 97

Category: Reference

Released: 2010-07-29

Price: $14.99

House Guide for Minecraft - Shrinktheweb S. A.
House Guide for Minecraft – Shrinktheweb S. A.
no app image

Rank: 98

Category: Reference

Released: 2013-02-23

Price: $0.99

Wild Edibles Full - WinterRoot LLC
Wild Edibles Full – WinterRoot LLC
no app image

Rank: 99

Category: Reference

Released: 2011-04-15

Price: $7.99

WordRoll ES-Spanish/English Translation Dictionary - TranCreative Software
WordRoll ES-Spanish/English Translation Dictionary – TranCreative Software
no app image

Rank: 100

Category: Reference

Released: 2008-09-18

Price: $0.99