# BYB Focus vs Tezeus

The clearest difference is update cadence: Tezeus at every 2 months against BYB Focus's every 4 months. BYB Focus's advantage is iOS requirement (13.0 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for BYB Focus against 5.0 for Tezeus. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

BYB Focus ships an update every 4 months, Tezeus every 2 months. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | BYB Focus | Tezeus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/byb-focus/id1603209450/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tezeus/id6473223024/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 28 MB | 145 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [BYB Tech](https://appshunter.io/developer/1524533536) | [Tezus (wuxi) Technology Co., Ltd](https://appshunter.io/developer/1718658166) |

## What reviewers say

### BYB Focus

[App page](https://appshunter.io/ios/app/byb-focus/id1603209450)

Control and customize your high-beam bike light with this companion app. Adjust user settings and ensure you are visible like a car on the road.

**Highlights:** Change user settings, Communicate with bike light, Configure high-beam settings, Enhance visibility, Companion app functionality

**Features:** macOS Compatibility

**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 BYB Focus free?

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

### Is Tezeus free?

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

### Which has better reviews, BYB Focus or Tezeus?

BYB Focus and Tezeus are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do BYB Focus or Tezeus have ads?

Neither BYB Focus nor Tezeus shows ads.

### Which is updated more often, BYB Focus or Tezeus?

BYB Focus ships an update every 4 months, and Tezeus every 2 months. Most recently, BYB Focus was updated on September 7, 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.*