# Chronox vs Byggkollen

The clearest difference is update cadence: Byggkollen at every 6 weeks against Chronox's every 11 months. 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.

Chronox ships an update every 11 months, Byggkollen every 6 weeks. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Chronox | Byggkollen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 weeks** |
| Size | 14 MB | 23 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ChronoX AB](https://appshunter.io/developer/1704333494) | [Isolve AB](https://appshunter.io/developer/441055124) |

## What reviewers say

### Chronox

[App page](https://appshunter.io/ios/app/chronox/id528949273)

**Features:** macOS Compatibility

**In-app purchases:** none


### Byggkollen

[App page](https://appshunter.io/ios/app/byggkollen/id1123803129)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronox free?

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

### Is Byggkollen free?

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

### Do Chronox or Byggkollen have ads?

Neither Chronox nor Byggkollen shows ads.

### Which is updated more often, Chronox or Byggkollen?

Chronox ships an update every 11 months, and Byggkollen every 6 weeks. Most recently, Chronox was updated on October 9, 2026 and Byggkollen on October 3, 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.*