# Lagrange vs Phase Monkey

Lagrange and Phase Monkey both sit at 4.8 stars, but that hides the real split: 95% of Lagrange's written reviews are positive against 71% of Phase Monkey's. Lagrange also leads on ratings volume (57 vs 17) and iOS requirement (12.0 vs 15.0). Phase Monkey's advantage is update cadence (weekly vs every 2 weeks) and price ($5.99 vs $8.00). On rating, ads, in-app purchases and monetization model there is nothing between them.

Lagrange costs $8.00 and Phase Monkey $5.99 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 — 4.8 for Lagrange against 4.8 for Phase Monkey. Both are backed by a comparable volume of ratings — 57 and 17 respectively. Written reviews are what separate them: 95% of Lagrange's written reviews are positive against 71% of Phase Monkey's.

Lagrange ships an update every 2 weeks, Phase Monkey weekly. The most recent releases landed on September 21, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | Lagrange | Phase Monkey |
| --- | --- | --- |
| Price | $8.00 | **$5.99** |
| Rating | **[4.8 (57 ratings)](https://appshunter.io/ios/app/lagrange-auv3-plug-in-synth/id1479000758/reviews)** | [4.8 (17 ratings)](https://appshunter.io/ios/app/phase-monkey-poly-synth/id6452880369/reviews) |
| Number of ratings | **57** | 17 |
| Positive reviews | **95.5% of reviews** | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Paid | Paid |
| Size | 8 MB | 15 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [iceWorks, Inc.](https://appshunter.io/developer/347507439) | [Sketch Audio, LLC](https://appshunter.io/developer/1699093348) |

## What reviewers say

### Lagrange

[App page](https://appshunter.io/ios/app/lagrange-auv3-plug-in-synth/id1479000758)

This app is a hybrid synthesizer that simplifies sound creation by using oscillator algorithms to manage complex parameters. It focuses on quickly achieving desired sounds by selecting the appropriate oscillator type.

**Highlights:** AUv3-compatible synthesizer, Simplified sound creation, Oscillator algorithms, Quick sound selection, Hybrid synthesis

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Phase Monkey

[App page](https://appshunter.io/ios/app/phase-monkey-poly-synth/id6452880369)

Explore a versatile digital synthesizer inspired by 1980s phase distortion technology. Create a wide range of sounds from warm pads to aggressive basses with its unique engine and eight-stage envelopes. Optimized for touch interaction, it also supports MIDI controllers and runs across Apple devices.

**Highlights:** Phase distortion synth engine, Eight-stage envelopes, Touch-first interface, AUv3 plugin support, Universal Apple purchase, MIDI controller support, iCloud preset syncing

**In-app purchases:** none


## Frequently asked questions

### Is Lagrange free?

Lagrange costs $8.00, with no in-app purchases.

### Is Phase Monkey free?

Phase Monkey costs $5.99, with no in-app purchases.

### Which has better reviews, Lagrange or Phase Monkey?

Lagrange is rated higher. Lagrange averages 4.8 out of 5 from 57 ratings, while Phase Monkey averages 4.8 from 17 ratings.

### Do Lagrange or Phase Monkey have ads?

Neither Lagrange nor Phase Monkey shows ads.

### Which is updated more often, Lagrange or Phase Monkey?

Lagrange ships an update every 2 weeks, and Phase Monkey weekly. Most recently, Lagrange was updated on September 21, 2026 and Phase Monkey on July 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*