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

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

Rank: 2

Category: Reference

Released: 2009-10-18

Price: $2.99

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

Rank: 3

Category: Reference

Released: 2010-08-10

Price: $2.99

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

Rank: 4

Category: Reference

Released: 2011-11-01

Price: $0.99

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

Rank: 5

Category: Reference

Released: 2010-12-10

Price: $1.99

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: 6

Category: Reference

Released: 2014-01-31

Price: $4.99

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

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

Rank: 8

Category: Reference

Released: 2013-04-20

Price: $1.99

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

Rank: 9

Category: Reference

Released: 2011-09-09

Price: $0.99

Doodle Patterns - Lightwood Consultancy Ltd
Doodle Patterns – Lightwood Consultancy Ltd
no app image

Rank: 10

Category: Reference

Released: 2014-01-21

Price: $2.99

Emoji 3D 2014 - Animated Emoticons - SMS Smiley Faces Sticker - PRO - Emoji Apps GmbH
Emoji 3D 2014 – Animated Emoticons – SMS Smiley Faces Sticker – PRO – Emoji Apps GmbH
no app image

Rank: 11

Category: Reference

Released: 2013-04-25

Price: $0.99

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

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

Rank: 13

Category: Reference

Released: 2013-08-01

Price: $0.99

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

Rank: 14

Category: Reference

Released: 2014-05-21

Price: $0.99

Secret Smileys for Skype - Hidden Emoticons for Skype Chat - Emoji - Emoji Apps GmbH
Secret Smileys for Skype – Hidden Emoticons for Skype Chat – Emoji – Emoji Apps GmbH
no app image

Rank: 15

Category: Reference

Released: 2010-02-17

Price: $0.99

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

Rank: 16

Category: Reference

Released: 2009-01-23

Price: $0.99

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

Rank: 17

Category: Reference

Released: 2011-06-16

Price: $1.99

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

Rank: 18

Category: Reference

Released: 2009-10-11

Price: $4.99

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

Rank: 19

Category: Reference

Released: 2010-02-25

Price: $1.99

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

Rank: 20

Category: Reference

Released: 2008-07-31

Price: $0.99

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: 21

Category: Reference

Released: 2012-02-09

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

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

Rank: 23

Category: Reference

Released: 2013-09-07

Price: $1.99

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

Rank: 24

Category: Reference

Released: 2013-02-02

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: 25

Category: Reference

Released: 2010-12-23

Price: $2.99

Quran Majeed - PakData
Quran Majeed – PakData
no app image

Rank: 26

Category: Reference

Released: 2010-04-06

Price: $4.99

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

Rank: 27

Category: Reference

Released: 2012-04-30

Price: $3.99

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: 28

Category: Reference

Released: 2009-01-07

Price: $14.99

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

Rank: 29

Category: Reference

Released: 2010-04-01

Price: $1.99

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

Rank: 30

Category: Reference

Released: 2014-09-05

Price: $0.99

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: 31

Category: Reference

Released: 2013-05-13

Price: $0.99

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

Rank: 32

Category: Reference

Released: 2013-03-11

Price: $2.99

WordBook - English Dictionary and Thesaurus - TranCreative Software
WordBook – English Dictionary and Thesaurus – TranCreative Software
no app image

Rank: 33

Category: Reference

Released: 2008-09-05

Price: $1.99

Emoji 3 PRO - Color Messages - Best Emoticon Emojis Sticker for SMS, Facebook, Twitter - Emoji Apps GmbH
Emoji 3 PRO – Color Messages – Best Emoticon Emojis Sticker for SMS, Facebook, Twitter – Emoji Apps GmbH
no app image

Rank: 34

Category: Reference

Released: 2012-04-25

Price: $0.99

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: 35

Category: Reference

Released: 2013-09-06

Price: $2.99

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

Rank: 36

Category: Reference

Released: 2011-04-14

Price: $0.99

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

Rank: 37

Category: Reference

Released: 2009-03-26

Price: $14.99

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

Rank: 38

Category: Reference

Released: 2013-08-07

Price: $1.99

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: 39

Category: Reference

Released: 2011-12-02

Price: $2.99

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

Rank: 40

Category: Reference

Released: 2014-08-13

Price: $1.99

OilField Formulas for HandyCalc. - zhandos uakanov
OilField Formulas for HandyCalc. – zhandos uakanov
no app image

Rank: 41

Category: Reference

Released: 2014-05-12

Price: $1.99

Faith Builders - Essential Bible Verses, Quotes and Hymns for Christian Spiritual Growth - daCapo Software
Faith Builders – Essential Bible Verses, Quotes and Hymns for Christian Spiritual Growth – daCapo Software
no app image

Rank: 42

Category: Reference

Released: 2011-01-24

Price: $1.99

Historical Markers - Astrodantastic Software
Historical Markers – Astrodantastic Software
no app image

Rank: 43

Category: Reference

Released: 2010-02-12

Price: $1.99

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

Rank: 44

Category: Reference

Released: 2008-07-18

Price: $1.99

Audubon Mushrooms – A Field Guide to North American Mushrooms - Green Mountain Digital
Audubon Mushrooms – A Field Guide to North American Mushrooms – Green Mountain Digital
no app image

Rank: 45

Category: Reference

Released: 2010-11-19

Price: $4.99

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

Rank: 46

Category: Reference

Released: 2011-08-24

Price: $2.99

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

Rank: 47

Category: Reference

Released: 2011-03-03

Price: $1.99

Horse Side Vet Guide - Equine Health Resource - Thal Enterprises Inc.
Horse Side Vet Guide – Equine Health Resource – Thal Enterprises Inc.
no app image

Rank: 48

Category: Reference

Released: 2013-08-06

Price: $4.99

Voice Search - Quanticapps
Voice Search – Quanticapps
no app image

Rank: 49

Category: Reference

Released: 2012-03-12

Price: $2.99

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

Rank: 50

Category: Reference

Released: 2011-08-23

Price: $1.99

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

Rank: 51

Category: Reference

Released: 2009-03-26

Price: $4.99

Color Book Game For The Amazing SpiderMan - OnRadio Stream
Color Book Game For The Amazing SpiderMan – OnRadio Stream
no app image

Rank: 52

Category: Reference

Released: 2013-12-31

Price: $0.99

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

Rank: 53

Category: Reference

Released: 2010-06-24

Price: $4.99

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

Rank: 54

Category: Reference

Released: 2009-10-15

Price: $2.99

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

Rank: 55

Category: Reference

Released: 2012-08-20

Price: $4.99

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

Rank: 56

Category: Reference

Released: 2010-07-29

Price: $14.99

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

Rank: 57

Category: Reference

Released: 2010-06-15

Price: $1.99

Bartender
Bartender’s Choice – Fancy Free LLC
no app image

Rank: 58

Category: Reference

Released: 2012-05-09

Price: $2.99

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

Rank: 59

Category: Reference

Released: 2011-08-10

Price: $5.99

Lighting Handbook - Andrew Derrington
Lighting Handbook – Andrew Derrington
no app image

Rank: 60

Category: Reference

Released: 2009-12-02

Price: $4.99

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

Rank: 61

Category: Reference

Released: 2012-06-28

Price: $0.99

Battery Boost Pro - Appventions
Battery Boost Pro – Appventions
no app image

Rank: 62

Category: Reference

Released: 2010-02-08

Price: $0.99

Audubon Nature Florida – The Ultimate Florida Nature Guide - Green Mountain Digital
Audubon Nature Florida – The Ultimate Florida Nature Guide – Green Mountain Digital
no app image

Rank: 63

Category: Reference

Released: 2010-04-06

Price: $4.99

Audubon Guides Box Set - Birds, Tree, Wildflowers &  Mammals - Green Mountain Digital
Audubon Guides Box Set – Birds, Tree, Wildflowers & Mammals – Green Mountain Digital
no app image

Rank: 64

Category: Reference

Released: 2009-11-02

Price: $14.99

Guide for Pokemon Black & White - Ambient Curiosity
Guide for Pokemon Black & White – Ambient Curiosity
no app image

Rank: 65

Category: Reference

Released: 2011-10-04

Price: $0.99

NYPD Patrol Guide 2013 - PDA Wizard
NYPD Patrol Guide 2013 – PDA Wizard
no app image

Rank: 66

Category: Reference

Released: 2012-12-16

Price: $14.99

Car Guide - GTA V Edition - Shlice Ideas
Car Guide – GTA V Edition – Shlice Ideas
no app image

Rank: 67

Category: Reference

Released: 2011-10-25

Price: $0.99

Color Book for Minion Rush - Karina Denis
Color Book for Minion Rush – Karina Denis
no app image

Rank: 68

Category: Reference

Released: 2013-10-09

Price: $0.99

Orthodox PrayerBook - Gabriel Otte
Orthodox PrayerBook – Gabriel Otte
no app image

Rank: 69

Category: Reference

Released: 2013-01-22

Price: $0.99

Texas Parks and Wildlife Code - Fitz Collings
Texas Parks and Wildlife Code – Fitz Collings
no app image

Rank: 70

Category: Reference

Released: 2009-12-28

Price: $0.99

Address Finder - Inner Four, Inc.
Address Finder – Inner Four, Inc.
no app image

Rank: 71

Category: Reference

Released: 2009-02-27

Price: $0.99

iPieta Español - iVerbum
iPieta Español – iVerbum
no app image

Rank: 72

Category: Reference

Released: 2009-12-23

Price: $0.99

World Factbook 2013 - jDictionary Mobile
World Factbook 2013 – jDictionary Mobile
no app image

Rank: 73

Category: Reference

Released: 2009-04-02

Price: $0.99

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

Rank: 74

Category: Reference

Released: 2009-12-08

Price: $4.99

Best Games for N64 - Taiki Araki
Best Games for N64 – Taiki Araki
no app image

Rank: 75

Category: Reference

Released: 2014-06-07

Price: $1.99

Jumpmaster PRO Study Guide - ForceReadiness.com
Jumpmaster PRO Study Guide – ForceReadiness.com
no app image

Rank: 76

Category: Reference

Released: 2011-11-01

Price: $3.99

Longman Dictionary of Contemporary English - 5th Edition - Pearson Education
Longman Dictionary of Contemporary English – 5th Edition – Pearson Education
no app image

Rank: 77

Category: Reference

Released: 2014-07-01

Price: $29.99

Rogers Mushrooms: Fungi of Europe and North America (PRO) - Roger
Rogers Mushrooms: Fungi of Europe and North America (PRO) – Roger’s Plants Ltd
no app image

Rank: 78

Category: Reference

Released: 2010-05-08

Price: $3.99

Poké Builder Pro - Builder & Creator for Pokémon X and Y Monster Cheat - Yan Zhao
Poké Builder Pro – Builder & Creator for Pokémon X and Y Monster Cheat – Yan Zhao
no app image

Rank: 79

Category: Reference

Released: 2014-04-01

Price: $2.99

Best Games for GBA - Taiki Araki
Best Games for GBA – Taiki Araki
no app image

Rank: 80

Category: Reference

Released: 2014-05-17

Price: $1.99

Cops N Robbs Skins Pack for minecraft - Linda Adler
Cops N Robbs Skins Pack for minecraft – Linda Adler
no app image

Rank: 81

Category: Reference

Released: 2014-08-20

Price: $0.99

Block Chat Multiplayer with skins exporter for minecraft - Linda Adler
Block Chat Multiplayer with skins exporter for minecraft – Linda Adler
no app image

Rank: 82

Category: Reference

Released: 2014-10-05

Price: $0.99

I.D. Wood - Double Dog Studios
I.D. Wood – Double Dog Studios
no app image

Rank: 83

Category: Reference

Released: 2009-08-11

Price: $4.99

Holy Rosary Deluxe - AppsCode
Holy Rosary Deluxe – AppsCode
no app image

Rank: 84

Category: Reference

Released: 2009-01-23

Price: $0.99

NEC 2011 Edition - NFPA
NEC 2011 Edition – NFPA
no app image

Rank: 85

Category: Reference

Released: 2013-03-29

Price: $29.99

Scourby YouBible - Litchfield Associates Ltd, Inc
Scourby YouBible – Litchfield Associates Ltd, Inc
no app image

Rank: 86

Category: Reference

Released: 2012-05-16

Price: $19.99

Guide - For Terraria - Parasitic Games
Guide – For Terraria – Parasitic Games
no app image

Rank: 87

Category: Reference

Released: 2014-03-20

Price: $0.99

LEO Geomatch - Calvin You
LEO Geomatch – Calvin You
no app image

Rank: 88

Category: Reference

Released: 2013-02-20

Price: $0.99

Gettysburg Guide - ScoutApps.net
Gettysburg Guide – ScoutApps.net
no app image

Rank: 89

Category: Reference

Released: 2013-07-02

Price: $2.99

Gun Life - Simon Reilly
Gun Life – Simon Reilly
no app image

Rank: 90

Category: Reference

Released: 2013-06-10

Price: $3.99

Pack Badges - a tracker for Boy Scouts of America® Cub Scout™ and Webelos Rank Advancement and other Scouting® award requirements - HandyApp.com
Pack Badges – a tracker for Boy Scouts of America® Cub Scout™ and Webelos Rank Advancement and other Scouting® award requirements – HandyApp.com
no app image

Rank: 91

Category: Reference

Released: 2010-12-19

Price: $3.99

Webster
Webster’s 1828 American Dictionary of the English Language – Nasda Studios
no app image

Rank: 92

Category: Reference

Released: 2012-09-12

Price: $4.99

Strong
Strong’s Concordance – Orion Systems
no app image

Rank: 93

Category: Reference

Released: 2010-12-08

Price: $4.99

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

Rank: 94

Category: Reference

Released: 2012-01-17

Price: $4.99

USCG E-PME Study Guide - ForceReadiness.com
USCG E-PME Study Guide – ForceReadiness.com
no app image

Rank: 95

Category: Reference

Released: 2012-03-21

Price: $2.99

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

Whispers From Above 2014 Calendar - Doreen Virtue, Ph.D. - Oceanhouse Media
Whispers From Above 2014 Calendar – Doreen Virtue, Ph.D. – Oceanhouse Media
no app image

Rank: 97

Category: Reference

Released: 2013-09-24

Price: $1.99

The CIA World Factbook - realazy
The CIA World Factbook – realazy
no app image

Rank: 98

Category: Reference

Released: 2011-01-07

Price: $1.99

HazMat Reference and Emergency Response Guide - ThatsMyStapler Inc.
HazMat Reference and Emergency Response Guide – ThatsMyStapler Inc.
no app image

Rank: 99

Category: Reference

Released: 2010-11-15

Price: $4.99

Password Manager Pro (Lock Privacy in Safe Wallet & Wi-Fi Data Backup App) - Senming Huang
Password Manager Pro (Lock Privacy in Safe Wallet & Wi-Fi Data Backup App) – Senming Huang
no app image

Rank: 100

Category: Reference

Released: 2011-11-11

Price: $9.99