App Store Ranking: The Top Paid Reference Apps in the United Kingdom

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Rank			Rating
1	23	Max Zs Values by Pro Certs Software Ltd	0.0
2	=	Pocket Guide Megaliths by Senet Mobile UK	4.0
3	8	Collins Bird Guide by NatureGuides Ltd.	3.9
4	37	Hazard Perception Test UK 2024 by Imagitech Ltd	0.0
5	new	Animated Knots by Grog by Grog LLC	4.8
6	5	Knots 3D by Nynix	4.9
7	new	IALA Buoyage & Lights by The Other Hat	4.7
8	new	Sailing Reference by Oliver Shingler	0.0
9	new	Veterinary Care of Exotic Pets by Mark Rowland - Trinity Vet Centre	2.3
10	3	Forvo Pronunciation by Forvo Media SL	3.7
11	1	Butterfly Id - UK Field Guide by Sunbird Images OHG	4.3
12	9	The World HD by Opicury Software	4.4
13	10	Tree Id identify UK trees by Sunbird Images OHG	4.7
14	14	Collins-Robert Concise by Ultralingua, Inc.	4.7
15	11	SkySafari by Simulation Curriculum Corp.	4.7
16	27	myDuaa: Fortress of a Muslim \| حصن المسلم by IhsaanFusion	4.8
17	28	Color Wheel by Roman Sevastyanov	4.8
18	28	Airports by Applicate Ltd	4.8
19	28	ACNH Travel Guide by Jeffrey Kuiken	4.9
20	32	Birds of Britain Pro by Spiny Software Ltd	4.5
21	18	Knot IQ - The Bear Essentials by The Bear Essentials Co. LTD	4.4
22	64	Collins British Bird Guide by NatureGuides Ltd.	4.0
23	69	Collins French-English by Ultralingua, Inc.	4.8
24	new	Orthodox Study Bible by VDUB Software, LLC	4.8
25	new	Thesaurus App by Piet Jonas	1.0
26	new	Red Sea Fish ID by John P. Hoover	5.0
27	new	Armoury by Watch and Shoot Developments LTD	0.0
28	new	AFV Recognition by Watch and Shoot Developments LTD	4.5
29	new	RAL iColours by Colorix SA	1.0
30	new	FootBook by Software Miracles	4.0
31	new	West Highland Way Map by Jonathan Shutt	0.0
32	new	Thread Data by superllanboy	2.7
33	new	philolog.us by philolog LLC	4.8
34	new	Egyptian Gods Pocket Reference by Rocket Splash Games	4.0
35	new	Turf MD by American Phytopathological Society	3.5
36	new	Modern Military Aircraft by Alexandru Angelescu	4.8
37	new	Cold War Military Aircraft by Alexandru Angelescu	4.5
38	new	cMate-PRO by Maxim Lukyanenko	5.0
39	new	English Collocations by Bui Hoai Trang	5.0
40	new	Waitangi MTB Park by Ryan Robertson	0.0
41	new	Child Behavior Toolbox by Behavior Toolbox Inc	0.0
42	new	French Etymology and Origins by Ngoc Anh	0.0
43	new	Verb Preposition Collocations by Lan Huong	0.0
44	new	Car parts for Porsche diagrams by Karina Balkarova	0.0
45	41	e-Sword LT: Bible Study to Go by Rick Meyers	4.8
46	41	Electrician Handbook & Wiring by Sergey Vavaev	4.8
47	41	Dragonflies & Damselflies by NatureGuides Ltd.	0.0
48	40	Butterflies & Day Moths UK by Spiny Software Ltd	0.0
49	40	Chirp! Bird Songs UK & Europe by Spiny Software Ltd	4.9
50	21	Actions: The Actors’ Thesaurus by FirstyWork	3.1
51	41	Lifted: Scottish Police Info by Bryan Mulholland	0.0
52	39	Chambers Dictionary by Antony Lewis	4.9
53	39	SkySafari 7 Pro by Simulation Curriculum Corp.	4.7
54	38	Bird Song Id UK by Sunbird Images OHG	3.7
55	40	Duty Pro - Pocket Police Guide by Simon King	0.0
56	39	Crime QRH by Willis Software Limited	0.0
57	37	English / French dictionary by Editions Larousse	3.1
58	40	RAL Colours by Jake Noble	2.0
59	40	British & Irish Butterflies by NatureGuides Ltd.	3.0
60	38	Stuarts' Tracks & Scats SA by mydigitalearth.com	0.0
61	36	Webmii by Mathieu Morgensztern	4.6
62	35	Wild Flower Id British Isles by Sunbird Images OHG	4.5
63	33	Daily Readings by Greek Orthodox Archdiocese of America	4.1
64	33	Life Application Study Bible by Tecarta, Inc.	4.9
65	33	Lost Person Behavior by Azimuth1	4.3
66	33	The Sky Pro by Redshift by USM	4.8
67	33	Birds of Brazil by NatureGuides Ltd.	2.3
68	33	My Messier by Kirk Bender	5.0
69	33	abCursive @Cursive Writing App by Yosuke Oki	4.7
70	33	Moravian Daily Texts 2025 by IBOC Moravian Church in America	4.8
71	33	iTrack Wildlife Basic by NatureTracking.com	2.3
72	33	RAL Classic Colours Dictionary by Le Tung Chinh	0.0
73	33	Chambers Thesaurus by Antony Lewis	4.9
74	32	World Map Pro Edition by Appventions	4.7
75	31	Railmap for Open Railway Map by Florian Chrometz	4.8
76	28	Proto Indo European etymological dictionary by Trang Hoai	4.0
77	27	Dictionnaire Le Robert Mobile by Diagonal SAS	4.1
78	27	Badge Book - Scouts UK by VICTOR HWANG	0.0
79	26	eGuide to Birds of East Africa by mydigitalearth.com	3.0
80	25	French~English Dictionary by Editions Larousse	3.4
81	25	Gravity Ballistics by Sniper's Hide LLC	3.7
82	25	Birds of Zambia by mydigitalearth.com	5.0
83	24	Wikipanion Plus by Robert Chin	3.9
84	26	Wheelfitment by E.J. Poortman	1.0
85	23	StarTracker - Mobile SkyMap by 身吉潘	4.7
86	22	Merriam-Webster Dictionary+ by Merriam-Webster, Inc.	4.8
87	24	Navigation Rules by Calculated Industries	4.8
88	28	iPray BCP by iPray, Inc.	4.6
89	24	Collins Spanish Dictionary by MobiSystems, Inc.	4.4
90	29	Stuarts’ African Mammals by mydigitalearth.com	4.5
91	25	Alchemy Guide by Ruben Frosali	4.4
92	25	Himnario IDMJI by Librería y Papelería Futuro Ltda	4.9
93	25	Tangle Patterns Mega Pack by Maria Fernanda de Barros e Azevedo	4.7
94	25	Shop Ethical! by Ethical Consumer Group Inc	4.3
95	25	Pizzey and Knight Birds of Aus by Gibbon Multimedia Pty Ltd	5.0
96	25	Trees & shrubs by Pierre-Olivier Templier	0.0