# Lattice vs Rithmatic

The clearest difference is price: Rithmatic at Free against Lattice's $4.99. Rithmatic also leads on update cadence (every 2 days vs every 2 weeks) and device support (4 vs 2). Lattice's advantage is in-app purchases (none vs 4) and review sentiment (100% vs 67%). On ratings volume and ads there is nothing between them.

Rithmatic is free to download; Lattice costs $4.99 up front. Rithmatic sells 4 one-off in-app purchases. Lattice asks for nothing beyond the download.

Lattice holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews point the same way: 100% of Lattice's written reviews are positive against 67% of Rithmatic's.

Lattice ships an update every 2 weeks, Rithmatic every 2 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Lattice | Rithmatic |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/lattice/id6756826552/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews) |
| Number of ratings | 8 | **9** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 61 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Joe Topjian](https://appshunter.io/developer/1860697112) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### Lattice

[App page](https://appshunter.io/ios/app/lattice/id6756826552)

Generate dynamic drum patterns with this MIDI instrument. Explore and capture ideas, create variations, and arrange them into evolving grooves. Ideal for live performance and music production workflows.

**Highlights:** XY pad and intensity controls for pattern shaping, Capture eight patterns and two fills, Edit step strength and hat types, Build evolving patterns with chained banks, Per-lane MIDI routing and retrigger options, Deterministic output for reliable recall

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

**In-app purchases:** none


### Rithmatic

[App page](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110)

This app is an FM synthesizer with a vast library of classic voices. It allows users to explore, learn, build, and blend sounds, and can be used as a standalone instrument or an AUv3 plugin within DAWs. It offers a visual representation of sound and a patch builder for understanding FM synthesis.

**Highlights:** 36,118 classic DX7 voices included, AUv3 plugin for DAWs, Patch Builder for learning FM synthesis, Sound blending feature, On-screen and MIDI keyboard support, Arpeggiator and latch functionality, WAV recording and export

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $4.99 | one-time |
| Medium Tip | $9.99 | one-time |
| Large Tip | $19.99 | one-time |
| Extra Large Tip | $49.99 | one-time |


## Frequently asked questions

### Is Lattice free?

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

### Is Rithmatic free?

Rithmatic is free to download, with in-app purchases available.

### Which has better reviews, Lattice or Rithmatic?

Lattice is rated higher. Lattice averages 4.9 out of 5 from 8 ratings, while Rithmatic averages 4.6 from 9 ratings.

### Do Lattice or Rithmatic have ads?

Neither Lattice nor Rithmatic shows ads.

### Which is updated more often, Lattice or Rithmatic?

Lattice ships an update every 2 weeks, and Rithmatic every 2 days. Most recently, Lattice was updated on October 30, 2026 and Rithmatic on November 6, 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.*