# Sonic Motion vs Percepta

The clearest difference is update cadence: Percepta at every 4 days against Sonic Motion's every 15 months. Sonic Motion's advantage is iOS requirement (15.0 vs 17.0). 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.

Sonic Motion ships an update every 15 months, Percepta every 4 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sonic Motion | Percepta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 days** |
| Size | 1 MB | 21 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoshiyuki Koyanagi](https://appshunter.io/developer/1540530354) | [Ahan Nithin](https://appshunter.io/developer/6778949339) |

## What reviewers say

### Sonic Motion

[App page](https://appshunter.io/ios/app/sonic-motion/id6736360866)

**Features:** macOS Compatibility

**In-app purchases:** none


### Percepta

[App page](https://appshunter.io/ios/app/percepta-expression-reader/id6778949337)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonic Motion free?

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

### Is Percepta free?

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

### Do Sonic Motion or Percepta have ads?

Neither Sonic Motion nor Percepta shows ads.

### Which is updated more often, Sonic Motion or Percepta?

Sonic Motion ships an update every 15 months, and Percepta every 4 days. Most recently, Sonic Motion was updated on October 27, 2026 and Percepta on October 28, 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.*