# SoundSync vs FORCE CALCULATOR

The clearest difference is in-app purchases: SoundSync at none against FORCE CALCULATOR's 1. SoundSync also leads on iOS requirement (9.0 vs 18.0). FORCE CALCULATOR's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. FORCE CALCULATOR sells 1 one-off in-app purchase. SoundSync asks for nothing beyond the download.

SoundSync ships an update every 5 weeks, FORCE CALCULATOR every 2 weeks. Both last shipped on October 8, 2026.

## The numbers

| Metric | SoundSync | FORCE CALCULATOR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/force-calculator-magic/id6806258142/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 2 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Koichi Sato](https://appshunter.io/developer/415286735) | [Akinori Kobayashi](https://appshunter.io/developer/6806258144) |

## 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


### FORCE CALCULATOR

[App page](https://appshunter.io/ios/app/force-calculator-magic/id6806258142)

This app functions as a standard calculator but includes secret tools for magicians to perform tricks. It offers a free version with basic calculator functions and a one-time purchase for advanced performance features, all while appearing as an ordinary calculator to an audience.

**Highlights:** Secret performance tools for magicians, Prediction and coincidence modes, Audience-participation features, Interactive tutorials, Multiple calculator styles, Calculation history

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $59.99 | one-time |


## Frequently asked questions

### Is SoundSync free?

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

### Is FORCE CALCULATOR free?

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

### Do SoundSync or FORCE CALCULATOR have ads?

Neither SoundSync nor FORCE CALCULATOR shows ads.

### Which is updated more often, SoundSync or FORCE CALCULATOR?

SoundSync ships an update every 5 weeks, and FORCE CALCULATOR every 2 weeks. Most recently, SoundSync was updated on October 8, 2026 and FORCE CALCULATOR on October 8, 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.*