# MJ Trainer vs Who was there?

The clearest difference is iOS requirement: MJ Trainer at 11.0 against Who was there?'s 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MJ Trainer ships an update every 2 months, Who was there? every 3 months. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MJ Trainer | Who was there? |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 13 MB | 20 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [东莞市满佳电子科技有限公司](https://appshunter.io/developer/1287542125) | [Markus Mock](https://appshunter.io/developer/1682003317) |

## What reviewers say

### MJ Trainer

[App page](https://appshunter.io/ios/app/mj-trainer/id6463097802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Who was there?

[App page](https://appshunter.io/ios/app/who-was-there/id6468968681)

Manage attendance for clubs, teams, and events. Track member participation, create groups, and generate detailed annual reports with visual summaries. Export data to PDF for easy sharing.

**Highlights:** Participant management with notes, Group creation with custom times, Session logging with attendance, Annual participation reports, PDF data export, Visual attendance overview

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

**In-app purchases:** none


## Frequently asked questions

### Is MJ Trainer free?

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

### Is Who was there? free?

Who was there? is free to download, with no in-app purchases.

### Do MJ Trainer or Who was there? have ads?

Neither MJ Trainer nor Who was there? shows ads.

### Which is updated more often, MJ Trainer or Who was there??

MJ Trainer ships an update every 2 months, and Who was there? every 3 months. Most recently, MJ Trainer was updated on October 27, 2026 and Who was there? on October 7, 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.*