# Osculatrix vs Otoo

The clearest difference is price: Osculatrix at Free against Otoo's $6.99. Otoo's advantage is update cadence (every 6 days vs monthly) and ratings volume (30 vs 7). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Osculatrix is free to download; Otoo costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Osculatrix against 5.0 for Otoo. Both are backed by a comparable volume of ratings — 7 and 30 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Osculatrix ships an update monthly, Otoo every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Osculatrix | Otoo |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/osculatrix/id1046389107/reviews) | [5.0 (30 ratings)](https://appshunter.io/ios/app/otoo/id6759285903/reviews) |
| Number of ratings | 7 | **30** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | **Free** | Paid |
| Size | 2 MB | 64 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Caldwell](https://appshunter.io/developer/993500585) | [BeepStreet](https://appshunter.io/developer/321412321) |

## What reviewers say

### Osculatrix

[App page](https://appshunter.io/ios/app/osculatrix/id1046389107)

This audio effect plugin offers modulated filters, delays, and saturation for creative sound design. It can transform audio from subtle coloration to complete destruction. Use it within your favorite music production apps.

**Highlights:** Modulated filters, Delay effects, Saturation, AUv3 plugin, Subtle coloration to destruction

**Features:** Vision Pro support

**In-app purchases:** none


### Otoo

[App page](https://appshunter.io/ios/app/otoo/id6759285903)

This music creation app offers a unique free-form sequencer for building beats and melodies. It supports built-in sounds, sampling, and AUv3 instruments, with live performance effects and song arrangement tools.

**Highlights:** Free-form step sequencer, Single-screen workflow, Built-in sounds and sampler, AUv3 instrument support, Performance Mode effects, Export WAV, MP3, and MIDI

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Osculatrix free?

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

### Is Otoo free?

Otoo costs $6.99, with no in-app purchases.

### Which has better reviews, Osculatrix or Otoo?

Osculatrix and Otoo are both rated 5.0 out of 5 on the App Store, from 7 and 30 ratings respectively.

### Do Osculatrix or Otoo have ads?

Neither Osculatrix nor Otoo shows ads.

### Which is updated more often, Osculatrix or Otoo?

Osculatrix ships an update monthly, and Otoo every 6 days. Most recently, Osculatrix was updated on October 24, 2026 and Otoo 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.*