# FLXBL vs Kaizo

The clearest difference is update cadence: Kaizo at every 9 days against FLXBL's monthly. Kaizo also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, 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.

FLXBL ships an update monthly, Kaizo every 9 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | FLXBL | Kaizo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 54 MB | 30 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FLXBL AS](https://appshunter.io/developer/1558529815) | [Vegard Karlsson](https://appshunter.io/developer/1850183036) |

## What reviewers say

### FLXBL

[App page](https://appshunter.io/ios/app/flxbl/id1558529813)

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

**In-app purchases:** none


### Kaizo

[App page](https://appshunter.io/ios/app/kaizo/id6754807396)

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

**In-app purchases:** none


## Frequently asked questions

### Is FLXBL free?

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

### Is Kaizo free?

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

### Do FLXBL or Kaizo have ads?

Neither FLXBL nor Kaizo shows ads.

### Which is updated more often, FLXBL or Kaizo?

FLXBL ships an update monthly, and Kaizo every 9 days. Most recently, FLXBL was updated on October 25, 2026 and Kaizo 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.*