EngineCalc vs Mounting Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EngineCalc
This utility app provides a collection of essential formulas and calculators for powersports and engine tuning. It allows users to perform complex calculations directly on their iPhone, eliminating the need for a laptop or desktop computer.
- Powersports formulas
- Engine tuning calculators
- Actual Volume Flow
- Air Density
- Compression Ratio
- Cylinder Displacement
- Volumetric Efficiency
Read full descriptionHide full description
EngineCalc is a collection of useful formulas (calculators) for those involved with powersports or engine tuning, in general. Instead of carrying around a laptop or relying on access to a desktop computer with a spreadsheet, you can get the calculations you need right on the handy iPhone in your pocket. Here is a partial list of the "calculators" provided here in EngineCalc: * Actual Volume Flow * Air Density * BHP Loss * Compression Height * Compression Ratio * Corrected BHP * Cylinder Displacement * Horsepower * Mass Flow * Piston Dome Volume * Piston Speed * Rod Length * Simple Horsepower * Theoretical Volume Flow * Torque * Volumetric Efficiency
Mounting Manager
This app helps users select the correct bearing installation by providing mechanical and hydraulic procedures, calculating necessary parameters, and offering installation tips. It also generates a list of required tools and accessories for a smooth installation process.
- Bearing installation procedures
- Mechanical and hydraulic methods
- Installation parameter calculation
- Installation hints and tips
- Accessory and tool list generation
Read full descriptionHide full description
The Schaeffler Mounting Manager comfortably assists in selecting the right bearing installation and offers following possibilities: shows various mechanical and hydraulic procedures, calculates required installation parameters, gives useful installation hints, creates a list of required accessories and tools
Screenshots
Verdict
The clearest difference is price: Mounting Manager at Free against EngineCalc's $0.99. EngineCalc's advantage is rating (2.3 vs 1.0) and ratings volume (3 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Mounting Manager is free to download; EngineCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EngineCalc holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
EngineCalc ships an update every 2 months, Mounting Manager every 3 months. Both last shipped on September 21, 2026.
| Parameter | EngineCalc | Mounting Manager |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.3 (3 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 6.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | iTrinity, Inc. | Schaeffler Technologies GmbH & Co. KG |
Customer experience
EngineCalc
Mounting Manager
In-app purchases
EngineCalc
No in-app purchases
Mounting Manager
No in-app purchases
Questions
Is EngineCalc free?
Is Mounting Manager free?
Which has better reviews, EngineCalc or Mounting Manager?
Do EngineCalc or Mounting Manager have ads?
Which is updated more often, EngineCalc or Mounting Manager?
Other comparisons
