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Worldwide App Store iPhone
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Reference Apps

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Top 10
Avg. Rating
4.3
Avg. Number of Ratings (Voted)
4 680
Avg. Title Length
21
Avg. Short Description Length
18
Avg. Description Length
2 054
Avg. Number of Screenshots
1 230
Avg. App Age
12y 6m
Avg. Price
$6.40
Avg. In-app Purchases Price
$1.15 - $2.61
Update Frequency
2y
Avg. Days from Last Update
2y
Avg. Size
260.57MB
Universal Apps
100%

App Store App Ranking

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Category
Reference
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In App Purchase
All
All IAP no IAP
Device
iPhone
iPhone iPad
Position
App
Publisher
Category
Rating
ASO Score Scores
Price
1
Knots 3D Knots 3D
Publisher: David Boren
Category: Reference,  Sports
4.9 54
€6.63
2
WolframAlpha Classic WolframAlpha Classic
Publisher: Wolfram Group LLC
Category: Reference,  Education
4.2 35
€3.32
3 +3
e-Sword LT: Bible Study to Go e-Sword LT: Bible Study to Go
Publisher: Richard Meyers
Category: Reference,  Education
4.7 57
€4.64
4 -1
Forvo Pronunciation Forvo Pronunciation
Publisher: Forvo Media SL
Category: Reference,  Education
3.8 26
€3.32
5 -1
Merriam-Webster Dictionary+ Merriam-Webster Dictionary+
Publisher: Merriam-Webster, Inc.
Category: Reference,  Books
4.8 70
€11.94
6 -1
SkySafari SkySafari
Publisher: Simulation Curriculum Corp.
Category: Reference,  Education
4.8 41
$4.99
7
World Map Pro Edition World Map Pro Edition
Publisher: Appventions
Category: Reference,  Utilities
4.6 66
€2.25
8 +1
Animated Knots by Grog Animated Knots by Grog
Publisher: Grog LLC
Category: Reference,  Education
4.6 65
€5.71
9 -1
Le Conjugueur Le Conjugueur
Publisher: Brewalan Le Dru
Category: Reference,  Education
4.2 42
€1.19
10
Dictionary and Thesaurus Pro Dictionary and Thesaurus Pro
Publisher: Farlex, Inc.
Category: Reference,  Education
4.7 47
€4.64
11
Color Wheel Color Wheel
Publisher: Roman Sevastyanov
Category: Graphics & Design,  Reference
4.8 44
€2.25
12
SkySafari 7 Pro SkySafari 7 Pro
Publisher: Simulation Curriculum Corp.
Category: Reference,  Education
4.7 52
$29.99
13 +10
LDOCE LDOCE
Publisher: Enfour, Inc.
Category: Reference,  Education
4.7 38
$24.99
14 -1
Knot IQ - The Bear Essentials Knot IQ - The Bear Essentials
Publisher: The Bear Essentials Co. LTD
Category: Reference,  Education
4.8 59
N/A
15 +14
Advanced English Dictionary. Advanced English Dictionary.
Publisher: Csaba Kertesz
Category: Reference,  Travel
4.4 65
€3.32
16 -2
Learner's Dictionary - English Learner's Dictionary - English
Publisher: Merriam-Webster, Inc.
Category: Reference,  Books
3.1 31
€5.71
17 +8
World Factbook & Atlas World Factbook & Atlas
Publisher: Csaba Kertesz
Category: Reference,  Travel
4.2 39
€2.25
18 -3
SkyView® Satellite Guide SkyView® Satellite Guide
Publisher: Terminal Eleven LLC
Category: Reference,  Education
4.2 56
€4.64
19 -2
ACNH Travel Guide ACNH Travel Guide
Publisher: Jeffrey Kuiken
Category: Reference,  Utilities
4.9 56
€4.64
20 +1
SkySafari 7 Plus SkySafari 7 Plus
Publisher: Simulation Curriculum Corp.
Category: Reference,  Education
4.6 52
PEN 54.90
21 -5
World Factbook Pro Edition World Factbook Pro Edition
Publisher: Appventions
Category: Reference,  Education
4.4 69
€2.25
22 -4
Barefoot World Atlas Barefoot World Atlas
Publisher: Barefoot Books Inc.
Category: Reference,  Education
4.1 42
€5.71
23 -1
Worldictionary Worldictionary
Publisher: Penpower Inc.
Category: Productivity,  Reference
3.4 35
€3.32
24 -5
Eclipse Guide：September 2025 Eclipse Guide：September 2025
Publisher: Vito Technology Inc.
Category: Reference,  Education
4.4 53
€2.25
25 +1
RhymeZone RhymeZone
Publisher: Datamuse Corporation
Category: Reference,  Education
4.8 52
€3.32
26 +2
Wikipanion Plus Wikipanion Plus
Publisher: Robert Chin
Category: Reference,  Education
4.1 17
€5.71
27
Art Authority Art Authority
Publisher: Art Authority LLC
Category: Reference,  Education
3.4 48
€5.71
28 +17
WordWeb Audio Dictionary WordWeb Audio Dictionary
Publisher: Antony Lewis
Category: Reference,  Education
4.0 56
€4.64
29 +2
Airports Airports
Publisher: Applicate Ltd
Category: Reference,  Utilities
4.8 48
€9.29
30 +8
Quran Majeed Pro القرآن المجيد Quran Majeed Pro القرآن المجيد
Publisher: Pakistan Data Management Services
Category: Reference,  Books
4.9 45
€17.25
31 +4
Chambers Thesaurus Chambers Thesaurus
Publisher: Antony Lewis
Category: Reference,  Books
4.2 54
€5.71
32 -12
Color Wheel - Basic Schemes Color Wheel - Basic Schemes
Publisher: Dmitriy Polyakov
Category: Reference,  Utilities
4.1 37
€2.25
33 +3
Collins Bird Guide Collins Bird Guide
Publisher: NatureGuides Ltd.
Category: Reference,  Books
4.5 50
€17.25
34 -10
Dictionnaire Larousse français Dictionnaire Larousse français
Publisher: Editions Larousse
Category: Reference,  Education
3.3 51
€5.71
35 -1
English / French dictionary English / French dictionary
Publisher: Editions Larousse
Category: Reference,  Utilities
3.4 21
€5.71
36 +5
iMissal Catholic iMissal Catholic
Publisher: Cantcha, Inc.
Category: Lifestyle,  Reference
4.6 52
€5.71
37 +5
ArtPose ArtPose
Publisher: shawn ogle
Category: Productivity,  Reference
4.2 21
€3.32
38 +1
ArtPose Female Edition ArtPose Female Edition
Publisher: shawn ogle
Category: Productivity,  Reference
4.3 36
€3.32
39 +1
StarTracker - Mobile SkyMap StarTracker - Mobile SkyMap
Publisher: Shen Ji Pan
Category: Navigation,  Reference
4.5 45
€3.32
40 -7
GoSatWatch Satellite Tracking GoSatWatch Satellite Tracking
Publisher: GoSoftWorks Development Co.
Category: Navigation,  Reference
4.2 52
€11.94
41 +in
German Learner's Dictionary German Learner's Dictionary
Publisher: Langenscheidt-Verlag Gesellschaft m.b.H.
Category: Reference,  Education
4.4 45
€22.56
42 -12
Oxford Deluxe (ODE and OTE) Oxford Deluxe (ODE and OTE)
Publisher: Enfour, Inc.
Category: Reference,  Education
4.7 53
$18.99
43 +1
Dictionnaire Le Robert Mobile Dictionnaire Le Robert Mobile
Publisher: Roger Rainero
Category: Word,  Reference,  Games,  Family
4.1 40
€22.56
44 -1
Orbitrack Orbitrack
Publisher: Southern Stars Group, LLC
Category: Reference,  Education
4.7 26
€5.71
45 +4
Civilopedia Civilopedia
Publisher: Jianing Zhan
Category: Reference,  Utilities
4.8 40
N/A
46 -9
World Maps & Facts - Bundle Value Pack World Maps & Facts - Bundle Value Pack
Publisher: Appventions
Category: Reference,  Utilities
3.4 33
€3.99
47
Thesaurus App Thesaurus App
Publisher: Piet Jonas
Category: Reference,  Education
2.7 20
€0.40
48
Collins English Dictionary Collins English Dictionary
Publisher: Harper Collins Publishers Limited
Category: Education
4.6 32
€2.25
49 +in
Railmap for Open Railway Map Railmap for Open Railway Map
Publisher: Florian Chrometz
Category: Navigation,  Reference
4.7 51
€2.25
50 -4
USA Pocket Maps Pro USA Pocket Maps Pro
Publisher: Appventions
Category: Reference,  Utilities
4.5 55
€2.25