Comparison

Poly 2 vs Flux Mini 2

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

Head to head
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

About

Flux Mini 2

This audio effect app allows you to add dynamic modulation to your music tracks. Create custom shapes to control various parameters like filter cutoff, resonance, amplitude, and mix for rhythmic and expressive sound sculpting.

Highlights
  • Customizable modulation graph
  • Modulate filter cutoff, resonance, amplitude, and mix
  • Control modulation amount with sliders
  • Output graph as MIDI CC messages
  • Fix graph to milliseconds or host tempo
  • Control curve shape with 2 control points
  • 22 pre-loaded presets
Read full description

Flux Mini 2 is an AUv3 audio effect that adds life, character and dynamism to your tracks. The customisable graph creates a shape which can be used to modulate filter cutoff, filter resonance, amplitude and mix. Just create a shape on the graph and set your desired amount of modulation using the slider beneath each parameter to hear great rhythmic effects. New in Flux Mini 2: control multiple parameters at once, fix the graph to milliseconds as well as the host tempo, output the graph as MIDI CC messages and control the shape of curves with 2 control points! From simple side-chains to manic modulations, sculpt some life into your sounds - flux it up and have some fluxing fun! Pre-loaded with 22 presets to get you going, it won’t be long before you’ve built a plethora of shapes to accentuate your fantastic music.

Screenshots

Poly 24 screens
Flux Mini 23 screens

Verdict

The call

The clearest difference is in-app purchases: Flux Mini 2 at none against Poly 2's 1. Flux Mini 2 also leads on iOS requirement (11.0 vs 16.6). Poly 2's advantage is ratings volume (686 vs 35) and review sentiment (84% vs 75%). On price, rating, update cadence and ads 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

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Poly 2 against 4.8 for Flux Mini 2. That said, the two scores are not equally well evidenced: Poly 2 has 686 ratings behind it against 35, 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 75% of Flux Mini 2's.

UpkeepUpdate frequency

Poly 2 ships an update every 4 weeks, Flux Mini 2 fortnightly. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
Poly 2 versus Flux Mini 2: the parameters behind the verdict, then further details
ParameterPoly 2Flux Mini 2
PriceFreeFree
Rating4.8 (686 ratings)4.8 (35 ratings)
Positive reviews84.1% of reviews — better75.0% of reviews
Number of ratings686 — better35
Update frequencyEvery 4 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.611.0 — better
Further details — not scored
Size153 MB21 MB
Age rating4+4+
DeveloperJames MiltonCaelum Audio

Customer experience

Poly 2

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

Flux Mini 2

All ratings35 ratings
Positive94.3%
Neutral2.9%
Negative2.9%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Bugs and 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

Flux Mini 2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Poly 2

One-time1
  • Pro mode$11.99
None

Flux Mini 2

No in-app purchases

Questions

Is Poly 2 free?
Poly 2 is free to download, with in-app purchases available.
Is Flux Mini 2 free?
Flux Mini 2 is free to download, with no in-app purchases.
Which has better reviews, Poly 2 or Flux Mini 2?
Poly 2 and Flux Mini 2 are both rated 4.8 out of 5 on the App Store, from 686 and 35 ratings respectively.
Do Poly 2 or Flux Mini 2 have ads?
Neither Poly 2 nor Flux Mini 2 shows ads.
Which is updated more often, Poly 2 or Flux Mini 2?
Poly 2 ships an update every 4 weeks, and Flux Mini 2 fortnightly. Most recently, Poly 2 was updated on October 16, 2026 and Flux Mini 2 on October 15, 2026.

Other comparisons