# bFaaaP Pro & Switch vs ARPJAM Studio

The clearest difference is price: bFaaaP Pro & Switch at Free against ARPJAM Studio's $12.99. ARPJAM Studio's advantage is update cadence (every 2 days vs every 20 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

bFaaaP Pro & Switch ships an update every 20 months, ARPJAM Studio every 2 days. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | bFaaaP Pro & Switch | 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 20 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 1 MB | 84 MB |
| Requires iOS | **14.5** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tomoyuki Shishido](https://appshunter.io/developer/1422564904) | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) |

## What reviewers say

### bFaaaP Pro & Switch

[App page](https://appshunter.io/ios/app/bfaaap-pro-and-switch/id1545866059)

This app works with a special device to allow individuals with leg disabilities, young children, and the elderly to play the piano with sustained tones using head movements. An iOS device detects head motion and transmits signals to activate an electric piano pedal.

**Highlights:** Head motion detection via iOS device, Sustained piano tones without foot pedal, Electric piano pedal activation, Accessibility for leg disabilities, User-friendly setup guide

**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 bFaaaP Pro & Switch free?

bFaaaP Pro & Switch is free to download, with no in-app purchases.

### Is ARPJAM Studio free?

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

### Do bFaaaP Pro & Switch or ARPJAM Studio have ads?

Neither bFaaaP Pro & Switch nor ARPJAM Studio shows ads.

### Which is updated more often, bFaaaP Pro & Switch or ARPJAM Studio?

bFaaaP Pro & Switch ships an update every 20 months, and ARPJAM Studio every 2 days. Most recently, bFaaaP Pro & Switch was updated on October 4, 2026 and ARPJAM Studio on October 10, 2026.

---

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