# Teorema vs oneS

The clearest difference is iOS requirement: Teorema at 10.0 against oneS's 18.6. 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Teorema | oneS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 21 MB | 0 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ali Group Srl](https://appshunter.io/developer/1755339340) | [Seno & Seno S.p.A.](https://appshunter.io/developer/1665476203) |

## What reviewers say

### Teorema

[App page](https://appshunter.io/ios/app/teorema/id592757378)

**Features:** macOS Compatibility

**In-app purchases:** none


### oneS

[App page](https://appshunter.io/ios/app/ones/id6757755593)

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

**In-app purchases:** none


## Frequently asked questions

### Is Teorema free?

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

### Is oneS free?

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

### Do Teorema or oneS have ads?

Neither Teorema nor oneS shows ads.

### Which is updated more often, Teorema or oneS?

Teorema ships an update every 3 weeks, and oneS every 3 weeks. Most recently, Teorema was updated on October 26, 2026 and oneS on October 16, 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.*