# SoundPrism vs Overdrive Synth

The clearest difference is rating: Overdrive Synth at 4.9 against SoundPrism's 4.2. Overdrive Synth also leads on update cadence (monthly vs every 3 months). SoundPrism's advantage is iOS requirement (9.0 vs 14.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. SoundPrism sells 10 one-off in-app purchases and Overdrive Synth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Overdrive Synth holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 74 and 34 respectively. Written reviews complicate that: 85% of SoundPrism's written reviews are positive against 79% of Overdrive Synth's, so the app with the better star average is not the one people write more warmly about.

SoundPrism ships an update every 3 months, Overdrive Synth monthly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SoundPrism | Overdrive Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (74 ratings)](https://appshunter.io/ios/app/soundprism/id386833491/reviews) | **[4.9 (34 ratings)](https://appshunter.io/ios/app/overdrive-synth/id1612690745/reviews)** |
| Number of ratings | **74** | 34 |
| Positive reviews | **84.6% of reviews** | 79.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 136 MB | 247 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Grace Cloud GmbH](https://appshunter.io/developer/1542330108) | [Moby Pixel](https://appshunter.io/developer/1435802052) |

## What reviewers say

### SoundPrism

[App page](https://appshunter.io/ios/app/soundprism/id386833491)

Create beautiful music immediately with intuitive controls and unique pitch visualization. Compose melodies, tone, and chord patterns effortlessly, even without prior knowledge. Easily make ringtones, record, and email your creations, or play along to other music apps.

**Highlights:** Intuitive music composition, Unique pitch visualization, Create ringtones, Record and email compositions, Background audio playback

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guitar Sounds | $0.99 | one-time |
| Trance Soundpack SoundPrism | $0.99 | one-time |
| Choir Soundpack | $0.99 | one-time |
| Organ SoundPack | $0.99 | one-time |
| Airy Pad Sound Pack | $0.99 | one-time |
| Euro Synth Sound Pack | $0.99 | one-time |
| Lead Synth Sound Pack | $0.99 | one-time |
| Snow Skin | $1.99 | one-time |
| Midnight Skin | $1.99 | one-time |
| Sound Bundle 1 | $1.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy to use
- 🎨 Visually appealing interface
- 🎶 Produces great-sounding music
- 🧠 Helpful for learning music theory
- 🤩 Fun and creative experience

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 🔊 Limited sound selection
- 💰 Expensive in-app purchases
- 🔇 No background playback or looping
- 🔍 Confusing menu navigation

**Reported bugs**

- Crashes on newer iOS devices
- Multitouch issues causing app to freeze
- Playback problems and audio glitches
- Inconsistent performance across different devices

**Requested features**

- Add more sound packs and instruments
- Implement recording and editing capabilities
- Allow for more customization and control over sounds
- Improve MIDI integration and compatibility
- Provide an upgrade path from free to pro version


### Overdrive Synth

[App page](https://appshunter.io/ios/app/overdrive-synth/id1612690745)

Explore unique synth sounds processed through classic guitar overdrive pedals. This app offers professionally recorded samples with multiple keyboard layouts and AUv3/MIDI support. Unlock over 100 additional instruments to expand your sonic palette.

**Highlights:** Vintage synths re-amped through guitar pedals, Multiple keyboard layouts, AUv3 and MIDI support, Professionally recorded samples, Expandable instrument library via IAP

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $4.99 | one-time |


## Frequently asked questions

### Is SoundPrism free?

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

### Is Overdrive Synth free?

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

### Which has better reviews, SoundPrism or Overdrive Synth?

Overdrive Synth is rated higher. SoundPrism averages 4.2 out of 5 from 74 ratings, while Overdrive Synth averages 4.9 from 34 ratings.

### Do SoundPrism or Overdrive Synth have ads?

Neither SoundPrism nor Overdrive Synth shows ads.

### Which is updated more often, SoundPrism or Overdrive Synth?

SoundPrism ships an update every 3 months, and Overdrive Synth monthly. Most recently, SoundPrism was updated on October 22, 2026 and Overdrive Synth on October 24, 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.*