# CR vs Poly 2

The clearest difference is price: Poly 2 at Free against CR's $1.99. Poly 2 also leads on update cadence (every 4 weeks vs every 7 months) and ratings volume (686 vs 10). CR's advantage is in-app purchases (none vs 1) and chart position (#182 vs unranked). On rating, ads and device support there is nothing between them.

Poly 2 is free to download; CR costs $1.99 up front. Poly 2 sells 1 one-off in-app purchase. CR asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for CR against 4.8 for Poly 2. That said, the two scores are not equally well evidenced: Poly 2 has 686 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 75% of CR's written reviews are positive against 84% of Poly 2's.

CR ships an update every 7 months, Poly 2 every 4 weeks. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CR | Poly 2 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/cr-5k/id1442843535/reviews)** | [4.8 (686 ratings)](https://appshunter.io/ios/app/poly-2/id1477029326/reviews) |
| Number of ratings | 10 | **686** |
| Positive reviews | 75.0% of reviews | **84.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#182** | — |
| Size | 20 MB | 153 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Rochaix](https://appshunter.io/developer/1441966350) | [James Milton](https://appshunter.io/developer/581503621) |

## What reviewers say

### CR

[App page](https://appshunter.io/ios/app/cr-5k/id1442843535)

**Currently charting:** #182 Top Paid · Music (US App Store)

This app transforms your device into a pocket beat-making companion, inspired by the simplicity and raw heritage of eighties analog drum machines. It offers a pure interface with high-quality samples, combinable patterns, and various arranger variations for creating rhythms.

**Highlights:** 12 Original high quality double-samples, 24 Combinable preset patterns, 8 Preset fill-ins, 7 Arranger variations, Shuffle mode (3/4 signature), Background audio playback, Audiobus V3 and InterApp audio support

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

**In-app purchases:** none


### Poly 2

[App page](https://appshunter.io/ios/app/poly-2/id1477029326)

This app generates evolving musical patterns and melodies using polyrhythms. It offers extensive sound manipulation with a sampler, multiple effects, and the ability to store numerous configurations. Users can also import their own sounds and integrate with other music production tools.

**Highlights:** Generative polyrhythm sequencing, Up to 8 simultaneous sounds, Sampler with envelopes and filters, Randomize capabilities, Built-in delay, reverb, distortion, and EQ FX, AUv3, Audiobus, and IAA support, Import custom samples

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro mode | $11.99 | one-time |

**What reviewers like**

- 🚀 Unique, creative, and powerful tool
- 👍 Intuitive and user-friendly interface
- 🎨 Excellent for ambient, experimental, and generative music
- 🎹 Great for drum grooves and rhythmic patterns
- 💻 Seamless integration with external hardware and software

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔇 Lack of sustain/voice ring-out when transport is stopped
- 📺 Small interface elements can be difficult to use on iPad
- 🔌 Compatibility issues with some third-party apps

**Reported bugs**

- In-app purchase not working for some users
- MIDI connectivity issues with certain apps
- Crashes upon opening for some users

**Requested features**

- Ability to preview samples before importing
- Autoslice/autochop functionality for samples
- Support for larger sample imports and automatic slot filling
- Granulizer effect
- Note repeat and vinyl effects


## Frequently asked questions

### Is CR free?

CR costs $1.99, with no in-app purchases.

### Is Poly 2 free?

Poly 2 is free to download, with in-app purchases available.

### Which has better reviews, CR or Poly 2?

CR is rated higher. CR averages 4.9 out of 5 from 10 ratings, while Poly 2 averages 4.8 from 686 ratings.

### Do CR or Poly 2 have ads?

Neither CR nor Poly 2 shows ads.

### Which is updated more often, CR or Poly 2?

CR ships an update every 7 months, and Poly 2 every 4 weeks. Most recently, CR was updated on September 28, 2026 and Poly 2 on October 8, 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.*