# Lattice vs ARC

The clearest difference is review sentiment: Lattice at 100% against ARC's 33%. Lattice also leads on rating (4.9 vs 4.3) and in-app purchases (none vs 2). ARC's advantage is price (Free vs $4.99) and update cadence (weekly vs every 2 weeks). On ratings volume, ads, device support and iOS requirement there is nothing between them.

ARC is free to download; Lattice costs $4.99 up front. ARC sells 2 one-off in-app purchases. Lattice asks for nothing beyond the download.

Lattice holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 100% of Lattice's written reviews are positive against 33% of ARC's.

Lattice ships an update every 2 weeks, ARC weekly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Lattice | ARC |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/lattice/id6756826552/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/arc-24-multitrack-groovebox/id6773901604/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 52 MB |
| Requires iOS | **17.6** | 18.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joe Topjian](https://appshunter.io/developer/1860697112) | [Daelan Wood](https://appshunter.io/developer/1781308426) |

## 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


### ARC

[App page](https://appshunter.io/ios/app/arc-24-multitrack-groovebox/id6773901604)

Create music with a versatile groovebox featuring eight tracks for synths, samplers, and drums. Its intuitive interface allows for real-time performance and easy arrangement into songs, all while staying in key and scale.

**Highlights:** Eight dynamic tracks (synth, sampler, drums), Key and scale locked note/chord pads, 16-pad sampler with import/record, Deep synth editing and 25 arpeggiator patterns, Full mixer with EQ and individual track effects, Song mode for arrangement and live performance, MIDI input and iCloud sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Trial | Free | one-time |
| ARC-24 Full Version | $9.99 | one-time |


## Frequently asked questions

### Is Lattice free?

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

### Is ARC free?

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

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

Lattice is rated higher. Lattice averages 4.9 out of 5 from 8 ratings, while ARC averages 4.3 from 3 ratings.

### Do Lattice or ARC have ads?

Neither Lattice nor ARC shows ads.

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

Lattice ships an update every 2 weeks, and ARC weekly. Most recently, Lattice was updated on October 24, 2026 and ARC on October 22, 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.*