# Bent Spool vs Octal

The clearest difference is iOS requirement: Bent Spool at 17.0 against Octal's 26.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Bent Spool sells 1 one-off in-app purchase and Octal sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Bent Spool against 5.0 for Octal. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Both ship on a similar rhythm, roughly daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Bent Spool | Octal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/bent-spool/id6811386417/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/octal-pocket-synth/id6822089963/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 36 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Plastic Factory LLC](https://appshunter.io/developer/1017920807) | [RYAN JAMES,GALANG ELLIS](https://appshunter.io/developer/6818578656) |

## What reviewers say

### Bent Spool

[App page](https://appshunter.io/ios/app/bent-spool/id6811386417)

This music app offers creative audio effects for live performance or use within other music apps. Explore rhythmic tremolo, pitched repeats, and looping fragments of your audio. It includes built-in overdrive and tape effects for unique sound shaping.

**Highlights:** Rhythmic tremolo effects, Pitched repeat sequences, Overlapping audio loops, Built-in overdrive and fuzz, Vintage tape effects, Standalone and AUv3 host support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bent Spool Unlock | $9.99 | one-time |


### Octal

[App page](https://appshunter.io/ios/app/octal-pocket-synth/id6822089963)

This app transforms your phone into a musical instrument with eight intuitive buttons that always create harmonious chords or notes. Easily record loops, layer beats, and arrange them into full songs. Explore a variety of sounds and share your creations.

**Highlights:** Eight-button chord/note interface, Loop recording and editing, Song arrangement, Diverse sound library, Undo/history functionality, Audio file sharing

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Octal, the full version | $9.99 | one-time |


## Frequently asked questions

### Is Bent Spool free?

Bent Spool is free to download, with in-app purchases available.

### Is Octal free?

Octal is free to download, with in-app purchases available.

### Which has better reviews, Bent Spool or Octal?

Bent Spool and Octal are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Bent Spool or Octal have ads?

Neither Bent Spool nor Octal shows ads.

### Which is updated more often, Bent Spool or Octal?

Bent Spool ships an update daily, and Octal daily. Most recently, Bent Spool was updated on October 31, 2026 and Octal on October 31, 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.*