# shapesynth vs BLEASS Shimmer

shapesynth and BLEASS Shimmer both sit at 4.9 stars, but that hides the real split: 100% of BLEASS Shimmer's written reviews are positive against 65% of shapesynth's. BLEASS Shimmer also leads on chart position (#186 vs unranked). shapesynth's advantage is update cadence (every 2 months vs every 10 months) and price ($4.99 vs $6.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

shapesynth costs $4.99 and BLEASS Shimmer $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for shapesynth against 4.9 for BLEASS Shimmer. Both are backed by a comparable volume of ratings — 24 and 36 respectively. Written reviews are what separate them: 65% of shapesynth's written reviews are positive against 100% of BLEASS Shimmer's.

shapesynth ships an update every 2 months, BLEASS Shimmer every 10 months. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | shapesynth | BLEASS Shimmer |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | [4.9 (24 ratings)](https://appshunter.io/ios/app/shapesynth/id431097161/reviews) | [4.9 (36 ratings)](https://appshunter.io/ios/app/bleass-shimmer/id1512190577/reviews) |
| Number of ratings | 24 | **36** |
| Positive reviews | 65.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#186** |
| Size | 8 MB | 21 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### shapesynth

[App page](https://appshunter.io/ios/app/shapesynth/id431097161)

Create unique retro-inspired sounds by drawing oscillator waveforms. This polyphonic synthesizer offers extensive modulation options, built-in effects, and recording capabilities. Seamlessly integrate with other music apps and hardware for a versatile creative experience.

**Highlights:** Draw custom oscillator waveforms, 16-voice polyphony, Arpeggiator and stereo delay, Resonant filter, Parameter modulation via keyboard, MPE, accelerometer, Tape recorder with infinite overdubs, Inter-app audio and AUv3 support

**Features:** Vision Pro support

**In-app purchases:** none


### BLEASS Shimmer

[App page](https://appshunter.io/ios/app/bleass-shimmer/id1512190577)

**Currently charting:** #186 Top Paid · Music (US App Store)

This app offers a unique pitch-shifting reverb effect to enhance musical performances. It allows for creative sound design by emphasizing harmonics and revealing new tonal colors through its versatile processing stages. The intuitive interface and included presets make it easy to explore a wide range of spatial and ambient effects for various instruments and vocals.

**Highlights:** Unique pitch shifting reverb, Harmonic emphasis and tonal color, Multi-mode input filter, Dual pitch shift modules, Clean and rich reverb, Integrated ducker for rhythmic effects, Intuitive user interface

**In-app purchases:** none


## Frequently asked questions

### Is shapesynth free?

shapesynth costs $4.99, with no in-app purchases.

### Is BLEASS Shimmer free?

BLEASS Shimmer costs $6.99, with no in-app purchases.

### Which has better reviews, shapesynth or BLEASS Shimmer?

shapesynth and BLEASS Shimmer are both rated 4.9 out of 5 on the App Store, from 24 and 36 ratings respectively.

### Do shapesynth or BLEASS Shimmer have ads?

Neither shapesynth nor BLEASS Shimmer shows ads.

### Which is updated more often, shapesynth or BLEASS Shimmer?

shapesynth ships an update every 2 months, and BLEASS Shimmer every 10 months. Most recently, shapesynth was updated on September 25, 2026 and BLEASS Shimmer on September 20, 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.*