# Poly 2 vs Flux Mini

The clearest difference is in-app purchases: Flux Mini at none against Poly 2's 1. Flux Mini also leads on update cadence (weekly vs every 4 weeks) and review sentiment (92% vs 84%). Poly 2's advantage is ratings volume (694 vs 40). On price, rating, ads and device support there is nothing between them.

Both are free to download. Poly 2 sells 1 one-off in-app purchase. Flux Mini asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Poly 2 against 4.7 for Flux Mini. That said, the two scores are not equally well evidenced: Poly 2 has 694 ratings behind it against 40, so its average is the more settled of the two. Written reviews are what separate them: 84% of Poly 2's written reviews are positive against 92% of Flux Mini's.

Poly 2 ships an update every 4 weeks, Flux Mini weekly. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Poly 2 | Flux Mini |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (694 ratings)](https://appshunter.io/ios/app/poly-2/id1477029326/reviews)** | [4.7 (40 ratings)](https://appshunter.io/ios/app/flux-mini/id1548927370/reviews) |
| Number of ratings | **694** | 40 |
| Positive reviews | 84.1% of reviews | **92.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 153 MB | 18 MB |
| Requires iOS | 16.6 | **9.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [James Milton](https://appshunter.io/developer/581503621) | [Caelum Audio](https://appshunter.io/developer/1463219587) |

## What reviewers say

### 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


### Flux Mini

[App page](https://appshunter.io/ios/app/flux-mini/id1548927370)

This audio effect plugin adds dynamic character to music tracks by shaping amplitude, low-pass, or high-pass filters with a customizable graph. It can also be triggered by MIDI for advanced modulation. Explore 20 presets or create your own unique soundscapes.

**Highlights:** Customizable graph for sound shaping, Amplitude, LPF, and HPF modulation, Resonance control for frequency modulation, MIDI triggering for envelopes, 20 pre-loaded presets, Works with AUv3 hosts like Garageband

**In-app purchases:** none


## Frequently asked questions

### Is Poly 2 free?

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

### Is Flux Mini free?

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

### Which has better reviews, Poly 2 or Flux Mini?

Poly 2 is rated higher. Poly 2 averages 4.8 out of 5 from 694 ratings, while Flux Mini averages 4.7 from 40 ratings.

### Do Poly 2 or Flux Mini have ads?

Neither Poly 2 nor Flux Mini shows ads.

### Which is updated more often, Poly 2 or Flux Mini?

Poly 2 ships an update every 4 weeks, and Flux Mini weekly. Most recently, Poly 2 was updated on October 20, 2026 and Flux Mini on October 15, 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.*