# Qutone vs OTUS

The clearest difference is iOS requirement: Qutone at 11.0 against OTUS's 15.1. On price, update cadence, 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.

Qutone ships an update every 9 days, OTUS weekly. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Qutone | OTUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 36 MB | 63 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ankur Patel](https://appshunter.io/developer/1398794141) | [0xblock Private Limited](https://appshunter.io/developer/1621281914) |

## What reviewers say

### Qutone

[App page](https://appshunter.io/ios/app/qutone/id1493272181)

**In-app purchases:** none


### OTUS

[App page](https://appshunter.io/ios/app/otus-360-tile-visualizer/id6772994636)

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

**In-app purchases:** none


## Frequently asked questions

### Is Qutone free?

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

### Is OTUS free?

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

### Do Qutone or OTUS have ads?

Neither Qutone nor OTUS shows ads.

### Which is updated more often, Qutone or OTUS?

Qutone ships an update every 9 days, and OTUS weekly. Most recently, Qutone was updated on September 29, 2026 and OTUS on October 14, 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.*