# Pioneer ARC vs Reactoo Guest

The clearest difference is update cadence: Reactoo Guest at fortnightly against Pioneer ARC's every 3 months. Pioneer ARC's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pioneer ARC ships an update every 3 months, Reactoo Guest fortnightly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Pioneer ARC | Reactoo Guest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (164 ratings)](https://appshunter.io/ios/app/pioneer-arc/id1020616923/reviews)** | — |
| Number of ratings | **164** | — |
| Positive reviews | 21.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 60 MB | 121 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pioneer Corporation](https://appshunter.io/developer/326612330) | [Reactoo LTD](https://appshunter.io/developer/1172812065) |

## What reviewers say

### Pioneer ARC

[App page](https://appshunter.io/ios/app/pioneer-arc/id1020616923)

Transform your iPhone into a powerful touchscreen remote for compatible Pioneer car stereos. Browse music, switch sources, launch third-party apps, and customize audio and illumination settings.

**Highlights:** Touchscreen remote control, Music browsing, Source switching, 3rd party app launching, Illumination customization, Audio settings adjustment

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

**In-app purchases:** none

**What reviewers like**

- 🎚️ Excellent equalizer and audio control settings
- 🎵 Detailed sound customization options
- 🎨 Adjustable display colors and lighting
- 📱 Works well on newer compatible head units
- ⚡ Intuitive controls once understood

**What reviewers complain about**

- 🐛 Frequent Bluetooth connection failures
- 🐛 App shows 'Not Connected' despite active connection
- ❌ Unreliable USB connectivity
- 📱 Poor iOS compatibility across versions
- 🔄 Breaks after iOS/firmware updates

**Reported bugs**

- App fails to connect via Bluetooth despite phone pairing
- Connection status shows 'Not Connected' while music plays
- Crashes on iOS 13 and newer versions
- USB connection not recognized by head unit
- App crashes immediately upon opening

**Requested features**

- iPad app optimization and full support
- Wireless/Bluetooth-only control without USB
- Volume level display in app
- On-screen clock display
- Call pickup and dial pad controls


### Reactoo Guest

[App page](https://appshunter.io/ios/app/reactoo-guest/id6779765631)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pioneer ARC free?

Pioneer ARC is free to download, with no in-app purchases.

### Is Reactoo Guest free?

Reactoo Guest is free to download, with no in-app purchases.

### Do Pioneer ARC or Reactoo Guest have ads?

Neither Pioneer ARC nor Reactoo Guest shows ads.

### Which is updated more often, Pioneer ARC or Reactoo Guest?

Pioneer ARC ships an update every 3 months, and Reactoo Guest fortnightly. Most recently, Pioneer ARC was updated on October 13, 2026 and Reactoo Guest on October 12, 2026.

---

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