# ToneGen PlusMinus vs ARPJAM Studio

The clearest difference is price: ToneGen PlusMinus at Free against ARPJAM Studio's $12.99. ARPJAM Studio's advantage is update cadence (every 2 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ToneGen PlusMinus is free to download; ARPJAM Studio costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ToneGen PlusMinus ships an update every 3 months, ARPJAM Studio every 2 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ToneGen PlusMinus | ARPJAM Studio |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/arpjam-studio/id6775859535/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Paid |
| Size | 39 MB | 84 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Dan Richardson](https://appshunter.io/developer/1723614187) | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) |

## What reviewers say

### ToneGen PlusMinus

[App page](https://appshunter.io/ios/app/tonegen-plusminus/id6758056304)

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

**In-app purchases:** none


### ARPJAM Studio

[App page](https://appshunter.io/ios/app/arpjam-studio/id6775859535)

This app offers a generative synthesizer experience focused on sound design without requiring keyboard skills. It allows users to shape waveforms, filters, and effects in real-time as music plays, offering a unique approach to music creation for those who enjoy sound sculpting.

**Highlights:** Generative arpeggios with multiple waveforms, Probability-based drum generation, Chord progression locking, Real-time XY pad parameter control, Assignable LFOs for dynamic sound shaping, Play pad for layering live input, Preset saving and sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ToneGen PlusMinus free?

ToneGen PlusMinus is free to download, with no in-app purchases.

### Is ARPJAM Studio free?

ARPJAM Studio costs $12.99, with no in-app purchases.

### Do ToneGen PlusMinus or ARPJAM Studio have ads?

Neither ToneGen PlusMinus nor ARPJAM Studio shows ads.

### Which is updated more often, ToneGen PlusMinus or ARPJAM Studio?

ToneGen PlusMinus ships an update every 3 months, and ARPJAM Studio every 2 days. Most recently, ToneGen PlusMinus was updated on October 2, 2026 and ARPJAM Studio on October 10, 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.*