# SoundSync vs R

The clearest difference is price: SoundSync at Free against R's $29.99. SoundSync also leads on in-app purchases (none vs 3) and iOS requirement (9.0 vs 17.6). R's advantage is review sentiment (100% vs 64%). On update cadence, ads and device support there is nothing between them.

SoundSync is free to download; R costs $29.99 up front. R sells 3 one-off in-app purchases. SoundSync asks for nothing beyond the download.

SoundSync ships an update every 5 weeks, R monthly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SoundSync | R |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/r-digit/id1510783962/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 63.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 4 MB | 14 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Koichi Sato](https://appshunter.io/developer/415286735) | [Benjamin Vianney](https://appshunter.io/developer/1376014245) |

## What reviewers say

### SoundSync

[App page](https://appshunter.io/ios/app/soundsync/id415286732)

This app allows users to program and play up to 48 custom sound effects and music clips. Upload your own audio files and assign them to buttons with various playback modes like one-shot, loop, or gate. Enhance performances with precisely timed audio.

**Highlights:** Program up to 48 custom sounds, Import own audio files (wave, aiff, mp3, m4a), Assign sounds to selectable buttons, Multiple playback modes (one shot, loop, gate, trigger, pause), Volume adjustment for sound balance, Wireless control with optional receiver

**Features:** macOS Compatibility

**In-app purchases:** none


### R

[App page](https://appshunter.io/ios/app/r-digit/id1510783962)

This app allows numbers to magically transfer from a spectator's phone to yours, mimicking a real calculator interface. It offers a variety of magic effects and configurable options, including Bluetooth remote control support. Designed for magicians, it enables seamless transitions between calculator and routine modes.

**Highlights:** Spectator number transfer, Realistic calculator interface, Switch between modes, Chainable routines, Configurable effects, Bluetooth remote support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digits Peek | $8.99 | one-time |
| LED travel | $9.99 | one-time |
| R-Digit + | $24.99 | one-time |


## Frequently asked questions

### Is SoundSync free?

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

### Is R free?

R costs $29.99, and also offers in-app purchases.

### Do SoundSync or R have ads?

Neither SoundSync nor R shows ads.

### Which is updated more often, SoundSync or R?

SoundSync ships an update every 5 weeks, and R monthly. Most recently, SoundSync was updated on October 8, 2026 and R on October 15, 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.*