# E vs KAAIAA Studio

The clearest difference is ads: KAAIAA Studio at none against E's shown. E's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, update cadence 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.

E ships an update every 5 weeks, KAAIAA Studio monthly. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | E | KAAIAA Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 124 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MTR FITNESS PTY LTD](https://appshunter.io/developer/1565534132) | [KAAIAA PTY LTD](https://appshunter.io/developer/1760236668) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-lab-training/id1565534130)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### KAAIAA Studio

[App page](https://appshunter.io/ios/app/kaaiaa-studio/id6593660641)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is KAAIAA Studio free?

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

### Do E or KAAIAA Studio have ads?

E shows ads; KAAIAA Studio does not.

### Which is updated more often, E or KAAIAA Studio?

E ships an update every 5 weeks, and KAAIAA Studio monthly. Most recently, E was updated on September 16, 2026 and KAAIAA Studio on September 11, 2026.

---

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