# Bent Spool vs Auris

The clearest difference is price: Bent Spool at Free against Auris's $4.99. Bent Spool also leads on update cadence (daily vs weekly). Auris's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Bent Spool is free to download; Auris costs $4.99 up front. Bent Spool sells 1 one-off in-app purchase. Auris asks for nothing beyond the download.

Bent Spool ships an update daily, Auris weekly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Bent Spool | Auris |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/bent-spool/id6811386417/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Plastic Factory LLC](https://appshunter.io/developer/1017920807) | [Furkan Alp Gunay](https://appshunter.io/developer/6792704661) |

## 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 |


### Auris

[App page](https://appshunter.io/ios/app/auris-ear-training-and-theory/id6814633571)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bent Spool free?

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

### Is Auris free?

Auris costs $4.99, with no in-app purchases.

### Do Bent Spool or Auris have ads?

Neither Bent Spool nor Auris shows ads.

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

Bent Spool ships an update daily, and Auris weekly. Most recently, Bent Spool was updated on October 31, 2026 and Auris on November 6, 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.*