# shapesynth vs Replicant 3

The clearest difference is update cadence: shapesynth at every 2 months against Replicant 3's every 18 months. shapesynth also leads on device support (3 vs 1) and iOS requirement (9.0 vs 12.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

shapesynth costs $4.99 and Replicant 3 $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

shapesynth ships an update every 2 months, Replicant 3 every 18 months. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | shapesynth | Replicant 3 |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | **[4.9 (24 ratings)](https://appshunter.io/ios/app/shapesynth/id431097161/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 65.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 18 months |
| Monetization | Paid | Paid |
| Size | 8 MB | 27 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) |

## 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


### Replicant 3

[App page](https://appshunter.io/ios/app/replicant-3/id1670715321)

This real-time audio effect processor captures, loops, and mangles audio on the fly. It offers advanced sequencing with per-step probability and direction, alongside four distinct slice effects for creative sound design. Control dynamics with envelope crossfading and trigger slices manually or via MIDI.

**Highlights:** Real-time audio slicing and mangling, Advanced step sequencer (3-16 steps), Four distinct slice effects (Stutter, Delay, Redukt, Ring Mod), Envelope crossfading for dynamic control, Manual and MIDI triggering, Intuitive visual step sequencer interface, AUv3 compatible

**In-app purchases:** none


## Frequently asked questions

### Is shapesynth free?

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

### Is Replicant 3 free?

Replicant 3 costs $4.99, with no in-app purchases.

### Do shapesynth or Replicant 3 have ads?

Neither shapesynth nor Replicant 3 shows ads.

### Which is updated more often, shapesynth or Replicant 3?

shapesynth ships an update every 2 months, and Replicant 3 every 18 months. Most recently, shapesynth was updated on September 25, 2026 and Replicant 3 on September 9, 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.*