EngineCalc vs MYTYM
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
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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
MYTYM
Monitor and manage your TYM machine remotely. Receive real-time status updates, error diagnoses, and emergency notifications for geofence breaches or rollovers. Track consumables and access work logs and statistical data.
- Remote machine on/off
- Real-time status and error diagnosis
- Emergency notifications (geofence, rollover)
- Consumables tracking and replacement alerts
- Work logs and statistical data
- Geofence monitoring and theft alerts
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MYTYM is an application for customers who subscirbe to TYM machine telematics service. With MYTYM, You can experience muliple services such as status of TYM machine, error, consumables and worksheet. ※ This service is only provided to registered customers who have purchased TYM machine with the telematics application. It features : ● Remote Machine Management ○ Remotely turn on/off the machine. ○ Real-time machine management with error diagnosis. ● Emergency Notification ○ Response emergency situation such as geofence left and rollover with app notification. ● Consumables Management ○ Track the status of machine consumables. ○ Receive notifications for replacement timing. ● Work Sheet ○ Work logs and Statistical data based on work data. ● Geofence ○ Receive theft notification and machine location data when machine leaves the geofence
Screenshots
Verdict
The clearest difference is price: MYTYM at Free against EngineCalc's $0.99. MYTYM also leads on rating (5.0 vs 2.3). EngineCalc's advantage is update cadence (every 2 months vs every 4 months) and ratings volume (3 vs 1). On 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
MYTYM is free to download; EngineCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MYTYM holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
EngineCalc ships an update every 2 months, MYTYM every 4 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.
| Parameter | EngineCalc | MYTYM |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 6.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | iTrinity, Inc. | TYM Corp. |
Customer experience
EngineCalc
MYTYM
In-app purchases
EngineCalc
No in-app purchases
MYTYM
No in-app purchases









