# AELOS STEM vs Maicat

The clearest difference is iOS requirement: AELOS STEM at 8.0 against Maicat's 13. 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.

AELOS STEM ships an update every 3 months, Maicat every 2 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AELOS STEM | Maicat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 97 MB | 61 MB |
| Requires iOS | **8.0** | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leju(Shenzhen) Robot Technology CO., Ltd](https://appshunter.io/developer/1133429668) | [Macroact Inc.](https://appshunter.io/developer/1705336591) |

## What reviewers say

### AELOS STEM

[App page](https://appshunter.io/ios/app/aelos-stem/id1335859984)

**Features:** macOS Compatibility

**In-app purchases:** none


### Maicat

[App page](https://appshunter.io/ios/app/maicat/id6471393324)

**In-app purchases:** none


## Frequently asked questions

### Is AELOS STEM free?

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

### Is Maicat free?

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

### Do AELOS STEM or Maicat have ads?

Neither AELOS STEM nor Maicat shows ads.

### Which is updated more often, AELOS STEM or Maicat?

AELOS STEM ships an update every 3 months, and Maicat every 2 months. Most recently, AELOS STEM was updated on October 4, 2026 and Maicat on October 5, 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.*