Custom Formulas vs its rivals

Side-by-side comparison against Custom Formulas's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

	Custom Formulas This App	Calculator for iPad! Nemesis	Fluid Mechanics Calculator Contender	Calculator HD++ Contender	Electric Motors Speed Calc Contender	Dash Calc: Simple Fast Math Contender	Unit Calculator: Convert & Cal Peer	Unit Converter -- All In One Peer	Calcvier - Keyboard Calculator Peer	Easy Converter - unit convert Peer
Core Identity
Developer	Anthony Dunk	7th Gear	V PUGAZHENTHI	smalltech sarl	Nitrio	Enbright LLC	smallte.ch	Foodmatesss Limited	Sergei Shpygar	福恩毛
Category	Utilities	Utilities	Utilities	Utilities	Utilities	Utilities	Tools	Utilities	Utilities	Education
Platform	Android, iOS	iOS	iOS	iOS	iOS	iOS, Android	Android	iOS, Android	iOS	iOS
Store Metrics
Rating	5.0 / 5	4.7 / 5	4.5 / 5	4.4 / 5	4.0 / 5	5.0 / 5	4.3 / 5	4.6 / 5	4.4 / 5	4.5 / 5
Ratings Count	1	60,844	21	275	8	3	188	52	142	17
Price	USD3.99	Free	$2.99	Free	$2.99	$4	Free	Free	$2.99	Free
Release Date	May 10, 2022	Jul 30, 2011	May 18, 2012	Sep 30, 2011	Jan 6, 2019	Nov 16, 2024	Dec 24, 2018	Aug 5, 2022	Jan 11, 2015	Mar 16, 2011
Last Updated	May 15, 2024	Dec 9, 2020	Feb 27, 2025	Apr 13, 2020	Jan 16, 2026	Apr 27, 2026	May 2, 2020	Aug 19, 2022	Jan 29, 2026	Apr 27, 2026
Sentiment & Reviews
Sentiment	-	-	-	-	excellent	excellent	-	-	-	-
Score	-	-	-	-	90/100	90/100	-	-	-	-
Praises	-	-	-	-	The core application experience provides a satisfying and enjoyable utility for the user base	Minimalist design philosophy avoids intrusive advertisements and recurring monthly subscription costs for users	-	-	-	-
Complaints	-	-	-	-	-	-	-	-	-	-
Requests	-	-	-	-	-	-	-	-	-	-
Strategic Intel
Strengths	Formula sharing hub functions as a community-driven retention mechanism Variable-driven architecture supports complex multi-step workflows Ad-free model appeals to power users	75-significant-digit math engine supports professional-grade accuracy requirements Tactile leather-texture UI provides a distinct visual identity on iPad Integrated drawing and notes tab enables hybrid math-and-scratchpad workflows	-	-	Focused interface tuned for motor physics Lightweight footprint avoids calculator bloat	Minimalist design philosophy reduces cognitive load for daily math tasks Smart History feature increases utility for recurring financial tracking One-time purchase model builds trust with privacy-focused users	-	Niche 'Microwave Time' category provides specific utility for cooking-focused users. Simple, focused interface reduces cognitive load for rapid, single-task conversions.	-	Minimalist interface reduces cognitive load for basic tasks One-tap unit swap accelerates the primary user workflow
Weaknesses	$3.99 entry barrier limits new user acquisition 76 Android ratings indicate low market penetration Lack of visual graphing engine compared to Desmos	Aggressive subscription prompts for basic features drive negative sentiment Lack of graphing or equation-solving modules limits appeal to STEM students Ad-supported model creates friction compared to ad-free engineering alternatives	-	-	Premium tier at $2.99 above free category median Low review volume limits social proof	Premium tier at $4.00 above category median No scientific functions restricts addressable market Limited user base restricts organic discovery velocity	-	0-rating on Android platform indicates lack of user traction. No offline functionality limits utility for travel environments. Absence of advanced math-expression input restricts professional use cases.	-	No offline currency conversion limits international utility Lack of custom unit support restricts power-user retention No monetization strategy limits long-term development
Pricing	paid	freemium	paid	free	paid	paid	free	free	paid	free
Momentum	Steady	Zombie	-	-	-	Intense	-	Zombie	-	Maintenance
Update Cadence	5 versions	1 versions	-	-	-	5 versions	-	5 versions, 2 majors/6mo, ~3d avg	-	1 versions, 1 majors/6mo

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