# CompMan Engine Operational vs CES Trainer

The clearest difference is in-app purchases: CompMan Engine Operational at none against CES Trainer's 1. CompMan Engine Operational also leads on update cadence (every 2 months vs every 11 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. CES Trainer sells 1 one-off in-app purchase. CompMan Engine Operational asks for nothing beyond the download.

CompMan Engine Operational ships an update every 2 months, CES Trainer every 11 months. The most recent releases landed on September 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CompMan Engine Operational | CES Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ces-trainer-seafarer-test/id6737857414/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Size | 33 MB | 62 MB |
| Requires iOS | **12.1** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [ELOSOFT INC](https://appshunter.io/developer/1582738042) | [Yevgenii Kryzhanivskyi](https://appshunter.io/developer/1778319692) |

## What reviewers say

### CompMan Engine Operational

[App page](https://appshunter.io/ios/app/compman-engine-operational/id1625807581)

**Features:** macOS Compatibility

**In-app purchases:** none


### CES Trainer

[App page](https://appshunter.io/ios/app/ces-trainer-seafarer-test/id6737857414)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a beer | $4.99 | one-time |


## Frequently asked questions

### Is CompMan Engine Operational free?

CompMan Engine Operational is free to download, with no in-app purchases.

### Is CES Trainer free?

CES Trainer is free to download, with in-app purchases available.

### Do CompMan Engine Operational or CES Trainer have ads?

Neither CompMan Engine Operational nor CES Trainer shows ads.

### Which is updated more often, CompMan Engine Operational or CES Trainer?

CompMan Engine Operational ships an update every 2 months, and CES Trainer every 11 months. Most recently, CompMan Engine Operational was updated on September 27, 2026 and CES Trainer on October 13, 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.*