# Aqua School vs SahlOne

The clearest difference is update cadence: SahlOne at every 9 days against Aqua School's every 6 months. SahlOne also leads on iOS requirement (13.0 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.

Aqua School ships an update every 6 months, SahlOne every 9 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Aqua School | SahlOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 66 MB | 85 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [EL MASSAR EL DHAKIE](https://appshunter.io/developer/1780103639) | [Elbedri LTD](https://appshunter.io/developer/1556243708) |

## What reviewers say

### Aqua School

[App page](https://appshunter.io/ios/app/aqua-school/id6738306865)

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

**In-app purchases:** none


### SahlOne

[App page](https://appshunter.io/ios/app/sahlone/id6749898552)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aqua School free?

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

### Is SahlOne free?

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

### Do Aqua School or SahlOne have ads?

Neither Aqua School nor SahlOne shows ads.

### Which is updated more often, Aqua School or SahlOne?

Aqua School ships an update every 6 months, and SahlOne every 9 days. Most recently, Aqua School was updated on October 27, 2026 and SahlOne on October 25, 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.*