# SoundPrism Pro vs ChordPolyPad

The clearest difference is price: SoundPrism Pro at $4.99 against ChordPolyPad's $17.99. SoundPrism Pro also leads on iOS requirement (9.0 vs 15.0). ChordPolyPad's advantage is rating (4.6 vs 4.3) and update cadence (every 2 months vs every 3 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

SoundPrism Pro costs $4.99 and ChordPolyPad $17.99 up front. SoundPrism Pro sells 10 one-off in-app purchases and ChordPolyPad sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ChordPolyPad holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 53 and 51 respectively. Written reviews point the same way: 83% of SoundPrism Pro's written reviews are positive against 92% of ChordPolyPad's.

SoundPrism Pro ships an update every 3 months, ChordPolyPad every 2 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SoundPrism Pro | ChordPolyPad |
| --- | --- | --- |
| Price | **$4.99** | $17.99 |
| Rating | [4.3 (53 ratings)](https://appshunter.io/ios/app/soundprism-pro/id425733007/reviews) | **[4.6 (51 ratings)](https://appshunter.io/ios/app/chordpolypad/id694599930/reviews)** |
| Number of ratings | **53** | 51 |
| Positive reviews | 83.0% of reviews | **92.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 136 MB | 54 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Grace Cloud GmbH](https://appshunter.io/developer/1542330108) | [Laurent Colson](https://appshunter.io/developer/381525765) |

## What reviewers say

### SoundPrism Pro

[App page](https://appshunter.io/ios/app/soundprism-pro/id425733007)

This app is a professional composition tool and MIDI controller that generates harmonic sound textures and cinematic tracks. It offers a new way to control synthesizers and visualize musical relationships, allowing users to compose film scores, create loops, and generate music for video games.

**Highlights:** Professional composition tool, MIDI controller, Harmonic sound texture generator, Visualize musical relationships, Control VSTis and synthesizers, Accelerometer input for MIDI CC

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guitar Sound Pack | $0.99 | one-time |
| Trance Soundpack Pro | $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 |
| Midnight Skin | $1.99 | one-time |
| Snow Skin | $1.99 | one-time |
| Sound Bundle 1 | $1.99 | one-time |

**What reviewers like**

- 🎹 Unique and intuitive interface
- 🎨 Inspiring and creative music-making
- 🎧 High-quality built-in sounds
- 🎚️ Excellent MIDI controller capabilities
- 👨‍🎨 Useful for both musicians and non-musicians

**What reviewers complain about**

- 💰 Expensive for some users
- 🔇 Limited built-in sound selection
- 🐛 Occasional crashes and stability issues
- 🔋 Battery drain concerns
- 🔍 Unintuitive menu navigation in some areas

**Reported bugs**

- Audiobus and inter-app MIDI connectivity problems
- Inconsistent performance across different iOS devices
- Issues with exporting and sharing recorded content

**Requested features**

- Built-in arpeggiator and looping capabilities
- More sound customization and synthesis options
- Improved recording and playback functionality
- Expanded MIDI integration and control options
- Ability to create and save custom chord progressions


### ChordPolyPad

[App page](https://appshunter.io/ios/app/chordpolypad/id694599930)

This app is a versatile MIDI chord player that allows users to create and play complex chord sets. It offers extensive customization for pads, MIDI controls, and chord generation, functioning as a standalone app or an AUv3 MIDI effect plugin.

**Highlights:** Standalone app and AUv3 MIDI effect plugin, 128 pads per preset, Customizable X/Y MIDI controllers, Advanced random chord generator, Internal and external MIDI support, Chord filtering and quantizing, Preset manager with in-app purchases

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retro Pop | $4.99 | one-time |
| Clubwave | $4.99 | one-time |
| Liminal Spaces | $4.99 | one-time |


## Frequently asked questions

### Is SoundPrism Pro free?

SoundPrism Pro costs $4.99, and also offers in-app purchases.

### Is ChordPolyPad free?

ChordPolyPad costs $17.99, and also offers in-app purchases.

### Which has better reviews, SoundPrism Pro or ChordPolyPad?

ChordPolyPad is rated higher. SoundPrism Pro averages 4.3 out of 5 from 53 ratings, while ChordPolyPad averages 4.6 from 51 ratings.

### Do SoundPrism Pro or ChordPolyPad have ads?

Neither SoundPrism Pro nor ChordPolyPad shows ads.

### Which is updated more often, SoundPrism Pro or ChordPolyPad?

SoundPrism Pro ships an update every 3 months, and ChordPolyPad every 2 months. Most recently, SoundPrism Pro was updated on October 21, 2026 and ChordPolyPad on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*