Comparison

CR vs Poly 2

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CR

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
Currently charting
Read full description

Holding the simplicity of eighties instruments and carrying their raw heritage to you, it turns your device into a pocket beat making companion. I believe that designing a pure interface, simply displaying your machine without any distraction, was the best way to reflect the spirit of the period it was born. Main characteristics : - 12 Original high quality double-samples - 24 Combinable preset patterns - 8 Preset fill-ins - 7 Arranger variations - 2 Rhythm memory registers - Shuffle mode (3/4 signature) - Separated voice section volumes - Adjustable instruments accentuation - Full machine state auto-save - Background audio playback enabled - Audiobus V3 - InterApp audio Bonuses accessible in your device settings : - Alter the way the patterns are played simultaneously - Alternative « Rock » drum kit with integrated effects - Built-in instruments effects : « Stereo pan » and « Jungle tune » - Built-in audio effects : « Equalizer » and « Distortion » - Built-in global effects : « Delay » and « Reverb » - Mute any instrument - Prevent any instrument from being affected by accents - 3 Synchronized register auto-switching modes I hope you will enjoy it as much as I love it ;-)

About

Poly 2

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
Read full description

Poly 2 is a generative sequencer that creates evolving patterns and melodies based on the power of polyrhythms. Check out the promo video: https://youtu.be/ovCXtBynEkw Features: - Up to 8 different sounds at any time - Store up to 16 different configurations for each project - A sampler that includes envelopes, filters, loop crossfading, an LFO and more - Randomise capabilities - Delay, reverb, distortion and EQ FX - Over 100 samples included for free - 13 premade collections of sounds - 13 example projects - AUv3 support, both MIDI and Audio - Audiobus and IAA - Ableton Link - MIDI notes in / out, MIDI CC in / out and MIDI clock in - Import your own samples via iOS Files or WIFI transfer

Screenshots

CR4 screens
Poly 24 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 3 level
CR versus Poly 2: the parameters behind the verdict, then further details
ParameterCRPoly 2
Price$1.99Free — better
Rating4.9 (10 ratings) — better4.8 (686 ratings)
Positive reviews75.0% of reviews84.1% of reviews — better
Number of ratings10686 — better
Update frequencyEvery 7 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#182 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size20 MB153 MB
Age rating4+4+
DeveloperDavid RochaixJames Milton

Customer experience

CR

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Poly 2

All ratings686 ratings
Positive95.0%
Neutral2.6%
Negative2.3%
Written reviews63 reviews
Positive84.1%
Neutral4.8%
Negative11.1%

Bugs and requests

CR

Not enough reviews yet to summarise bugs or requests.

Poly 2

Reported bugs

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

Requested features

8 requests
  • 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
Show 3 more
  • More built-in effects and processing options
  • Ability to create and arrange full songs
  • M1 Mac compatibility

In-app purchases

None

CR

No in-app purchases

1 purchases

Poly 2

One-time1
  • Pro mode$11.99

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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