# TerribleSync vs BitDecay

The clearest difference is price: TerribleSync at Free against BitDecay's $2.99. TerribleSync also leads on ratings volume (4 vs 1). BitDecay's advantage is rating (5.0 vs 4.0) and review sentiment (100% vs 83%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TerribleSync is free to download; BitDecay costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BitDecay holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 83% of TerribleSync's written reviews are positive against 100% of BitDecay's.

## The numbers

| Metric | TerribleSync | BitDecay |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/terriblesync/id1109759662/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bitdecay/id6784347881/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | — |
| Monetization | **Free** | Paid |
| Size | 1 MB | 17 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Roth](https://appshunter.io/developer/448057425) | [Jeremy Phillips](https://appshunter.io/developer/6777857703) |

## What reviewers say

### TerribleSync

[App page](https://appshunter.io/ios/app/terriblesync/id1109759662)

Control the tempo of music hardware like synthesizers and drum machines using your iPhone or iPad. Features include tap tempo, precise dial adjustment, and buttons for performance effects. Requires a 3.5mm audio cable for connection.

**Highlights:** Tap tempo, Rotary tempo dial, Pause/mute button, Performance effect buttons, Clear interface, Open source project

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TerribleSync free?

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

### Is BitDecay free?

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

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

BitDecay is rated higher. TerribleSync averages 4.0 out of 5 from 4 ratings, while BitDecay averages 5.0 from 1 ratings.

### Do TerribleSync or BitDecay have ads?

Neither TerribleSync nor BitDecay 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.*