Haverly's PetroCalc vs its rivals

Side-by-side comparison against Haverly's PetroCalc's closest competitors: identity, store metrics, ratings & sentiment, and strategic intel.

	Haverly's PetroCalc This App	Drilling Engineering Nemesis	NEB Tools Peer	ResEditor Peer	MyHSRC (Siemens Energy) Peer	EFB-Pro Peer	Sludge Dewatering Calculator New Kid	Moro AgriExpert Farm Calc New Kid
Core Identity
Developer	Haverly Systems, Inc.	PT. Pertamina (Persero)	New England Biolabs Inc	Christopher Van Hoose	Siemens Energy	CAVU Companies	Shanghai Sheyuan Network Technology Co., Ltd.	BMAC INFOTECH
Category	Utilities	Utilities	Reference	Utilities	Utilities	Reference	Utilities	Tools
Platform	iOS	iOS	iOS	iOS	iOS, Android	iOS	iOS	Android
Store Metrics
Rating	4.7 / 5	3.8 / 5	3.9 / 5	5.0 / 5	5.0 / 5	5.0 / 5	0.0 / 5	0.0 / 5
Ratings Count	3	19	8	7	1	2	0	0
Price	Free	Free	Free	$14.99	Free	Free	$1.99	Free
Release Date	Jun 27, 2016	Jun 29, 2014	Jan 15, 2010	Nov 25, 2025	Feb 3, 2025	May 18, 2011	Apr 8, 2026	Mar 5, 2026
Last Updated	May 2, 2026	Nov 28, 2017	May 1, 2026	Apr 18, 2026	Mar 30, 2026	Feb 20, 2026	Apr 14, 2026	Mar 6, 2026
Sentiment & Reviews
Sentiment	positive	-	-	-	-	-	-	-
Score	80/100	-	-	-	-	-	-	-
Praises	-	-	-	-	-	-	-	-
Complaints	-	-	-	-	-	-	-	-
Requests	-	-	-	-	-	-	-	-
Strategic Intel
Strengths	Offline-first engine enables use in remote industrial sites without connectivity Haverly Systems brand provides high trust for technical calculations Specialized distillation-curve tools offer precision missing in general-purpose calculators	Diagnostic logic based on Texas Drilling Associates methodology IADC-based kill sheet calculations for industry compliance	Authoritative biological data repository functions as a high-trust barrier to entry Deep integration with NEB reagent catalog drives B2B sales Regular content updates ensure data accuracy for experimental planning	-	Offline manual access ensures utility in remote field locations Brand-specific torque data creates a technical barrier for third-party service providers	Offline AFM-compliant engine ensures regulatory safety without connectivity Deep integration of weight and balance manifest into performance calculations	Offline-first engine enables field use in remote treatment plants Specialized mass balance logic reduces manual calculation errors	Offline-first architecture enables utility in remote field environments without cellular connectivity.
Weaknesses	Stagnant interface design compared to modern utility benchmarks Low review volume limits social proof for new users Lack of safety-critical drilling workflows limits professional adoption	Stagnant codebase since 2017 Lack of offline-first architecture for remote field sites	3.875 rating indicates friction in the user experience Lack of cloud-save or recipe export limits utility in team settings Interface relies on manual text entry rather than modern slider-based inputs	-	Manual fleet tracking requires high user effort Zero review volume indicates low organic discovery or adoption velocity	Closed B2B subscription gate restricts user acquisition Interface lacks modern UX patterns compared to newer aviation utilities	$1.99 price point creates a barrier to entry No user reviews or rating history limits social proof	Absence of a verified chemical database limits trust in high-stakes application scenarios.
Pricing	free	free	free	paid	free	subscription	paid	freemium
Momentum	Maintenance	Zombie	Maintenance	-	Maintenance	Maintenance	Maintenance	-
Update Cadence	1 versions	1 versions, 1 majors/6mo	1 versions	-	2 versions, ~0d avg	1 versions, 1 majors/6mo	1 versions	-

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