# Ossby vs Tezeus

The clearest difference is update cadence: Tezeus at every 2 months against Ossby's every 13 months. Ossby's advantage is 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.

Ossby ships an update every 13 months, Tezeus every 2 months. The most recent releases landed on May 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Ossby | Tezeus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tezeus/id6473223024/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 17 MB | 145 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Karikrea SL](https://appshunter.io/developer/1670453445) | [Tezus (wuxi) Technology Co., Ltd](https://appshunter.io/developer/1718658166) |

## What reviewers say

### Ossby

[App page](https://appshunter.io/ios/app/ossby/id1670453443)

**In-app purchases:** none


### Tezeus

[App page](https://appshunter.io/ios/app/tezeus/id6473223024)

Enhance your e-bike experience with smart technology. This application helps you get the most out of your electric bicycle. Stay updated for new features designed to improve your rides.

**Highlights:** E-bike optimization, Smart technology integration, Enhanced riding experience, Regular updates, Upcoming feature announcements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ossby free?

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

### Is Tezeus free?

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

### Do Ossby or Tezeus have ads?

Neither Ossby nor Tezeus shows ads.

### Which is updated more often, Ossby or Tezeus?

Ossby ships an update every 13 months, and Tezeus every 2 months. Most recently, Ossby was updated on May 16, 2026 and Tezeus on September 15, 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.*