# V4 vs Kaits

The clearest difference is update cadence: Kaits at fortnightly against V4's every 11 months. V4's advantage is iOS requirement (9.1 vs 11.0). 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.

V4 ships an update every 11 months, Kaits fortnightly. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | V4 | Kaits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Size | 32 MB | 48 MB |
| Requires iOS | **9.1** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [GGE](https://appshunter.io/developer/1198669637) | [Estudio Tregier de Interatividade Ltda Me](https://appshunter.io/developer/1441005107) |

## What reviewers say

### V4

[App page](https://appshunter.io/ios/app/v4/id1198669638)

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

**In-app purchases:** none


### Kaits

[App page](https://appshunter.io/ios/app/kaits/id1588891071)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is V4 free?

V4 is free to download, with no in-app purchases.

### Is Kaits free?

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

### Do V4 or Kaits have ads?

Neither V4 nor Kaits shows ads.

### Which is updated more often, V4 or Kaits?

V4 ships an update every 11 months, and Kaits fortnightly. Most recently, V4 was updated on November 2, 2026 and Kaits 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.*