# Rotawatt vs TamDoldur

The clearest difference is update cadence: TamDoldur at every 4 days against Rotawatt's every 3 weeks. Rotawatt's advantage is iOS requirement (14.0 vs 16.0). 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.

Rotawatt ships an update every 3 weeks, TamDoldur every 4 days. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rotawatt | TamDoldur |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 74 MB | 20 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Arvento Mobile Systems](https://appshunter.io/developer/410513550) | [HAKAN INONU](https://appshunter.io/developer/6784931277) |

## What reviewers say

### Rotawatt

[App page](https://appshunter.io/ios/app/rotawatt/id6736650325)

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

**In-app purchases:** none


### TamDoldur

[App page](https://appshunter.io/ios/app/tamdoldur/id6784931275)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Rotawatt free?

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

### Is TamDoldur free?

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

### Do Rotawatt or TamDoldur have ads?

Neither Rotawatt nor TamDoldur shows ads.

### Which is updated more often, Rotawatt or TamDoldur?

Rotawatt ships an update every 3 weeks, and TamDoldur every 4 days. Most recently, Rotawatt was updated on October 7, 2026 and TamDoldur on October 18, 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.*