# MJ Trainer vs Ateltek Astroset

The clearest difference is update cadence: Ateltek Astroset at every 6 days against MJ Trainer's every 2 months. MJ Trainer's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support 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, Ateltek Astroset every 6 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MJ Trainer | Ateltek Astroset |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 13 MB | 14 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [东莞市满佳电子科技有限公司](https://appshunter.io/developer/1287542125) | [KORPA ELEKTRIK](https://appshunter.io/developer/1720784273) |

## What reviewers say

### MJ Trainer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Ateltek Astroset

[App page](https://appshunter.io/ios/app/ateltek-astroset/id6474144510)

**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 Ateltek Astroset free?

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

### Do MJ Trainer or Ateltek Astroset have ads?

Neither MJ Trainer nor Ateltek Astroset shows ads.

### Which is updated more often, MJ Trainer or Ateltek Astroset?

MJ Trainer ships an update every 2 months, and Ateltek Astroset every 6 days. Most recently, MJ Trainer was updated on October 2, 2026 and Ateltek Astroset on October 6, 2026.

---

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