# BitDecay vs Coil

The clearest difference is price: Coil at $0.99 against BitDecay's $2.99. BitDecay's advantage is iOS requirement (12.0 vs 15.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

BitDecay costs $2.99 and Coil $0.99 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 BitDecay against 5.0 for Coil. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | BitDecay | Coil |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bitdecay/id6784347881/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/coil-spring-reverb/id6801904963/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | Paid | Paid |
| Size | 17 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Phillips](https://appshunter.io/developer/6777857703) | [Joshua Rideout](https://appshunter.io/developer/1862462443) |

## What reviewers say

### BitDecay

[App page](https://appshunter.io/ios/app/bitdecay/id6784347881)

This creative audio effect simulates the character of aging hardware, unstable digital systems, and worn media. It introduces dynamic instability and evolving imperfections to transform pristine audio into lo-fi textures, degraded samplers, or entirely new sound design landscapes.

**Highlights:** Creative digital degradation processor, Bit crushing and sample rate reduction, Dynamic instability and clock imperfections, Musical tone shaping, Progressive signal erosion controls, AUv3 support, Single-page interface

**In-app purchases:** none


### Coil

[App page](https://appshunter.io/ios/app/coil-spring-reverb/id6801904963)

This app simulates the physical behavior of spring reverb tanks, offering two distinct spring types and interactive "hit" features. Control mix, tone, and dwell for unique sonic textures, with an optional amp stage for added grit. It functions as a standalone app or AUv3 plugin.

**Highlights:** Physically simulated springs, Two distinct spring tank personalities (Long & Short), Interactive 'hit' function for metallic chaos, Adjustable Mix, Tone, and Dwell controls, Integrated amp stage with presence and grit, AUv3 plugin and standalone app support, MIDI learn for all controls

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BitDecay free?

BitDecay costs $2.99, with no in-app purchases.

### Is Coil free?

Coil costs $0.99, with no in-app purchases.

### Which has better reviews, BitDecay or Coil?

BitDecay and Coil are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do BitDecay or Coil have ads?

Neither BitDecay nor Coil shows ads.

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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.*