# AELOS STEM vs 加装梯AR

The clearest difference is iOS requirement: AELOS STEM at 8.0 against 加装梯AR's 12.0. 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, 加装梯AR every 2 months. The most recent releases landed on November 8, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | AELOS STEM | 加装梯AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 97 MB | 111 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leju(Shenzhen) Robot Technology CO., Ltd](https://appshunter.io/developer/1133429668) | [中新软件(上海)有限公司](https://appshunter.io/developer/1483719064) |

## What reviewers say

### AELOS STEM

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 加装梯AR

[App page](https://appshunter.io/ios/app/ar/id6444504962)

**In-app purchases:** none


## Frequently asked questions

### Is AELOS STEM free?

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

### Is 加装梯AR free?

加装梯AR is free to download, with no in-app purchases.

### Do AELOS STEM or 加装梯AR have ads?

Neither AELOS STEM nor 加装梯AR shows ads.

### Which is updated more often, AELOS STEM or 加装梯AR?

AELOS STEM ships an update every 3 months, and 加装梯AR every 2 months. Most recently, AELOS STEM was updated on November 8, 2026 and 加装梯AR on November 14, 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.*