# Bontub Manager vs Kottra App

The clearest difference is update cadence: Kottra App at every 3 days against Bontub Manager's every 5 weeks. Bontub Manager's advantage is iOS requirement (11.0 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.

Bontub Manager ships an update every 5 weeks, Kottra App every 3 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | Bontub Manager | Kottra App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 40 MB | 42 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polygram Solution Co., Ltd.](https://appshunter.io/developer/1732614931) | [Chanrattana Nith](https://appshunter.io/developer/1795173871) |

## What reviewers say

### Bontub Manager

[App page](https://appshunter.io/ios/app/bontub-manager/id6461046313)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kottra App

[App page](https://appshunter.io/ios/app/kottra-app/id6763726229)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bontub Manager free?

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

### Is Kottra App free?

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

### Do Bontub Manager or Kottra App have ads?

Neither Bontub Manager nor Kottra App shows ads.

### Which is updated more often, Bontub Manager or Kottra App?

Bontub Manager ships an update every 5 weeks, and Kottra App every 3 days. Most recently, Bontub Manager was updated on October 9, 2026 and Kottra App on October 9, 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.*