# PolyPhase vs BLEASS Alpha Synthesizer

The clearest difference is in-app purchases: PolyPhase at none against BLEASS Alpha Synthesizer's 10. PolyPhase also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (10.0 vs 15.0). BLEASS Alpha Synthesizer's advantage is price ($14.99 vs $19.99) and rating (4.9 vs 4.6). On ads there is nothing between them.

PolyPhase costs $19.99 and BLEASS Alpha Synthesizer $14.99 up front. BLEASS Alpha Synthesizer sells 10 one-off in-app purchases. PolyPhase asks for nothing beyond the download.

BLEASS Alpha Synthesizer holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 26 and 109 respectively. Written reviews point the same way: 76% of PolyPhase's written reviews are positive against 86% of BLEASS Alpha Synthesizer's.

PolyPhase ships an update every 3 weeks, BLEASS Alpha Synthesizer every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PolyPhase | BLEASS Alpha Synthesizer |
| --- | --- | --- |
| Price | $19.99 | **$14.99** |
| Rating | [4.6 (26 ratings)](https://appshunter.io/ios/app/polyphase/id1440617668/reviews) | **[4.9 (109 ratings)](https://appshunter.io/ios/app/bleass-alpha-synthesizer/id1476042892/reviews)** |
| Number of ratings | 26 | **109** |
| Positive reviews | 76.2% of reviews | **86.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 35 MB | 38 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### PolyPhase

[App page](https://appshunter.io/ios/app/polyphase/id1440617668)

Create complex, interwoven melodies and rhythms with a generative sequencer. Control note generation, randomize sequences, and integrate with external MIDI hardware or the included wavetable synthesizer. Save and recall your creations with presets and snapshots.

**Highlights:** Generative melody creation with phase offsets, 8 independent sequencers with customizable properties, Draw own notes or use intelligent randomization, Wavetable synthesizer with FX, MIDI output and input support, Global Key/Scale filtering and Chord Masks, Save/Load presets and Snapshots

**In-app purchases:** none


### BLEASS Alpha Synthesizer

[App page](https://appshunter.io/ios/app/bleass-alpha-synthesizer/id1476042892)

This versatile polyphonic synthesizer offers a virtual analog sound engine inspired by classic hardware. It provides intuitive sound design tools, efficient CPU usage, and a unique motion sequencer for expressive modulation. Explore a vast library of presets and create unique sounds for your music.

**Highlights:** Virtual analog polyphonic stereo synthesizer, Intuitive sound design interface, CPU efficient for live performance, Unique motion sequencer, Built-in arpeggiator, Over 200 factory presets, Audio Unit V3 compatible

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Of Izrael Preset Pack | $2.99 | one-time |
| Red Sky Lullaby Preset Pack | $2.99 | one-time |
| MPE Preset Pack #1 | $3.99 | one-time |
| Lily Jordy Preset Pack | $3.99 | one-time |
| The GarageBand Guide Pack | $3.99 | one-time |
| Hoops Collection #1 | $3.99 | one-time |
| Yawdel Preset Pack | $3.99 | one-time |
| Funk Preset Pack | $3.99 | one-time |
| Torley Preset Pack | $4.99 | one-time |
| The Sound Test Room Pack | $4.99 | one-time |


## Frequently asked questions

### Is PolyPhase free?

PolyPhase costs $19.99, with no in-app purchases.

### Is BLEASS Alpha Synthesizer free?

BLEASS Alpha Synthesizer costs $14.99, and also offers in-app purchases.

### Which has better reviews, PolyPhase or BLEASS Alpha Synthesizer?

BLEASS Alpha Synthesizer is rated higher. PolyPhase averages 4.6 out of 5 from 26 ratings, while BLEASS Alpha Synthesizer averages 4.9 from 109 ratings.

### Do PolyPhase or BLEASS Alpha Synthesizer have ads?

Neither PolyPhase nor BLEASS Alpha Synthesizer shows ads.

### Which is updated more often, PolyPhase or BLEASS Alpha Synthesizer?

PolyPhase ships an update every 3 weeks, and BLEASS Alpha Synthesizer every 2 months. Most recently, PolyPhase was updated on October 24, 2026 and BLEASS Alpha Synthesizer on October 29, 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.*