# AOS TECHNOLOGY vs Rotawatt

AOS TECHNOLOGY and Rotawatt are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AOS TECHNOLOGY | Rotawatt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 52 MB | 74 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Ayhan teknoloji ve Otomasyon Çözümleri A.Ş.](https://appshunter.io/developer/1687669423) | [Arvento Mobile Systems](https://appshunter.io/developer/410513550) |

## What reviewers say

### AOS TECHNOLOGY

[App page](https://appshunter.io/ios/app/aos-technology/id6449093268)

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

**In-app purchases:** none


### Rotawatt

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

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

**In-app purchases:** none


## Frequently asked questions

### Is AOS TECHNOLOGY free?

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

### Is Rotawatt free?

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

### Do AOS TECHNOLOGY or Rotawatt have ads?

Neither AOS TECHNOLOGY nor Rotawatt shows ads.

### Which is updated more often, AOS TECHNOLOGY or Rotawatt?

AOS TECHNOLOGY ships an update every 3 weeks, and Rotawatt every 3 weeks. Most recently, AOS TECHNOLOGY was updated on October 25, 2026 and Rotawatt on October 7, 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.*