Top Paid Reference iPhone Apps Ranking in Portugal

See the full list of Portugal Top Paid iPhone Reference apps for September 12, and read the full analysis below

Last updated : September 12, 2026

Store Rank		App and Publisher	Category	Store Rank	Change
1	1	Database for ESOskoroapps s.r.o.	Reference	1	144
2	2	Knots 3DDavid Boren	Reference	2	1
3	3	WheelfitmentE.J. Poortman	Reference	3	1
4	4	Adore - Catholic PrayersDONALD JOSEPH DEVOID	Reference	4	1
5	5	WolframAlpha ClassicWolfram Group LLC	Reference	5	3
6	6	AirportsApplicate Ltd	Reference	6	3
7	7	World Map Pro EditionAppventions	Reference	7	3
8	8	Euro Coin CollectionDavide Orlando	Reference	8	3
9	9	St. JosemariaJorge Panayotti	Reference	9	3
10	10	Car Check USAInfinite Loop Development Ltd	Reference	10	3
11	11	SkySafariSimulation Curriculum Corp.	Reference	11	3
12	12	Ultralingua Portuguese-EnglishUltralingua, Inc.	Reference	12	3
13	13	Forvo PronunciationForvo Media SL	Reference	13	9
14	14	Color Wheel - Basic SchemesDmitriy Polyakov	Reference	14	2
15	15	Le ConjugueurBrewalan Le Dru	Reference	15	2
16	16	World Factbook Pro EditionAppventions	Reference	16	2
17	17	Collins Bird GuideNatureGuides Ltd.	Reference	17	2
18	18	Art AuthorityArt Authority LLC	Reference	18	2
19	19	e-Sword LT: Bible Study to GoRichard Meyers	Reference	19	2
20	20	Michaelis Escolar - PortuguêsA&H Software Ltda.	Reference	20	2
21	21	SkyView® Satellite GuideTerminal Eleven LLC	Reference	21	2
22	22	Dictionary and Thesaurus ProFarlex, Inc.	Reference	22	2
23	23	Animated Knots by GrogGrog LLC	Reference	23	2
24	24	Airbus ECAM Resets+Waterline Software	Reference	24	2
25	25	Collins Portuguese-EnglishUltralingua, Inc.	Reference	25	2
26	26	ACNH Travel GuideJeffrey Kuiken	Reference	26	2
27	27	World Factbook & AtlasJDMI Kft.	Reference	27	2
28	28	Lunar Eclipse Guide: Aug 27–28Vito Technology Inc.	Reference	28	2
29	29	Aircraft StatusAssets Tech - Fzco	Reference	29	2
30	30	RAL ColoursJake Noble	Reference	30	2
31	31	RAL iColoursColorix SA	Reference	31	2
32	32	Pilot HandbookCalculated Industries, Inc.	Reference	32	2
33	33	BimmerRefsManuel Rodriguez	Reference	33	2
34	34	Merriam-Webster Dictionary+Merriam-Webster, Inc.	Reference	34	2
35	35	Advanced English Dictionary.JDMI Kft.	Reference	35	2
36	36	English-Portuguese Dictionary+Jafar Najafov	Reference	36	2
37	37	Chirp! Bird Songs UK & EuropeSpiny Software Ltd	Reference	37	2
38	38	GoSatWatch Satellite TrackingGoSoftWorks Development Co.	Reference	38	2
39	39	WebmiiMathieu Morgensztern	Reference	39	2
40	40	Gel Swatch LibraryCrossroads Motorsport, LLC	Reference	40	2
41	41	Dictionnaire Larousse françaisEditions Larousse	Reference	41	2
42	42	Modelo de DocumentosF&E System Apps	Reference	42	2
43	43	Wikipanion PlusRobert Chin	Reference	43	2
44	44	SkySafari 7 ProSimulation Curriculum Corp.	Reference	44	2
45	45	Dicionário Engenharia CivilF&E System Apps	Reference	45	2
46	46	Barefoot World AtlasBarefoot Books Inc.	Reference	46	3
47	47	Boater's Pocket ReferenceCalculated Industries, Inc.	Reference	47	3
48	48	Knot IQ: 3D Knot TyingThe Bear Essentials Outdoors Co. LTD.	Reference	48	=
49	49	Bird Song Id UKSunbird Images OHG	Reference	49	2
50	50	Ultralingua Italian-PortugueseUltralingua, Inc.	Reference	50	45
51	51	Trees PRO - Field GuideNATURE MOBILE G.m.b.H.	Reference	51	1

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Top Paid iOS Reference Apps Ranking in Portugal: September 12 Ranking Analysis

Database for ESO is the top Paid Reference iOS app in Portugal for September 12, since it's ranking increased by 144 positions since last month. Database for ESO is ranked in the Reference apps category, and was developed by skoroapps s.r.o..

Knots 3D rank has decreased to 2nd position in Portugal for September 12, which is a change of -1 positions in global ranking since last month. Knots 3D is published by David Boren and ranked under the Reference apps category in iOS in Portugal

Wheelfitment is last of the top 3 Paid Reference apps in Apple Store ranking in Portugal for this month, after it's rank decreased by -1 positions since last month