# EngineCalc vs MYTYM

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.

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.

## The numbers

| Metric | EngineCalc | MYTYM |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/enginecalc/id378824382/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mytym/id6448139184/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 8 MB | 68 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iTrinity, Inc.](https://appshunter.io/developer/547108075) | [TYM Corp.](https://appshunter.io/developer/1631233010) |

## What reviewers say

### EngineCalc

[App page](https://appshunter.io/ios/app/enginecalc/id378824382)

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.

**Highlights:** Powersports formulas, Engine tuning calculators, Actual Volume Flow, Air Density, Compression Ratio, Cylinder Displacement, Volumetric Efficiency

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MYTYM

[App page](https://appshunter.io/ios/app/mytym/id6448139184)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EngineCalc free?

EngineCalc costs $0.99, with no in-app purchases.

### Is MYTYM free?

MYTYM is free to download, with no in-app purchases.

### Which has better reviews, EngineCalc or MYTYM?

MYTYM is rated higher. EngineCalc averages 2.3 out of 5 from 3 ratings, while MYTYM averages 5.0 from 1 ratings.

### Do EngineCalc or MYTYM have ads?

Neither EngineCalc nor MYTYM shows ads.

### Which is updated more often, EngineCalc or MYTYM?

EngineCalc ships an update every 2 months, and MYTYM every 4 months. Most recently, EngineCalc was updated on September 21, 2026 and MYTYM on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*