# ARPJAM vs LuSID Synthesizer

The clearest difference is in-app purchases: LuSID Synthesizer at none against ARPJAM's 1. ARPJAM's advantage is update cadence (daily vs every 2 months) and iOS requirement (15.0 vs 18.4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ARPJAM sells 1 one-off in-app purchase. LuSID Synthesizer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ARPJAM against 5.0 for LuSID Synthesizer. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ARPJAM ships an update daily, LuSID Synthesizer every 2 months. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ARPJAM | LuSID Synthesizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/arpjam/id6762045552/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lusid-synthesizer/id6764299166/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | Free | Free |
| Size | 7 MB | 3 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) | [Lukasz Pomianek](https://appshunter.io/developer/1890450297) |

## What reviewers say

### ARPJAM

[App page](https://appshunter.io/ios/app/arpjam/id6762045552)

This app generates evolving ambient music using two independent arpeggio engines. It features a generative drum machine, sound design tools, and external instrument synchronization. Save and recall your favorite musical setups.

**Highlights:** Dual arpeggio engines, Generative drum machine, Sound design controls, External instrument sync (Ableton Link, MIDI Clock), Save and recall presets, Built-in timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### LuSID Synthesizer

[App page](https://appshunter.io/ios/app/lusid-synthesizer/id6764299166)

Create synthwave music with a powerful, intuitive synthesizer. Features a multi-voice engine, versatile filter, built-in sequencer, and a range of effects. Record and share your creations easily.

**Highlights:** Eight-voice polyphony with unison, Audio-rate filter envelope, Built-in 4-64 step sequencer, Tape-style delay, chorus, distortion, reverb, Neon Liquid-Glass interface, Record and share WAV files

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

**In-app purchases:** none


## Frequently asked questions

### Is ARPJAM free?

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

### Is LuSID Synthesizer free?

LuSID Synthesizer is free to download, with no in-app purchases.

### Which has better reviews, ARPJAM or LuSID Synthesizer?

ARPJAM and LuSID Synthesizer are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ARPJAM or LuSID Synthesizer have ads?

Neither ARPJAM nor LuSID Synthesizer shows ads.

### Which is updated more often, ARPJAM or LuSID Synthesizer?

ARPJAM ships an update daily, and LuSID Synthesizer every 2 months. Most recently, ARPJAM was updated on October 4, 2026 and LuSID Synthesizer on October 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.*