# Metal Detect Kit vs Sonic Motion

The clearest difference is ads: Sonic Motion at none against Metal Detect Kit's shown. Metal Detect Kit's advantage is update cadence (every 3 months vs every 15 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Metal Detect Kit ships an update every 3 months, Sonic Motion every 15 months. The most recent releases landed on September 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Metal Detect Kit | Sonic Motion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/metal-detect-kit/id6590625137/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 15 months |
| Monetization | Ad-supported | — |
| Size | 220 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moisey Simolin](https://appshunter.io/developer/1726342959) | [Yoshiyuki Koyanagi](https://appshunter.io/developer/1540530354) |

## What reviewers say

### Metal Detect Kit

[App page](https://appshunter.io/ios/app/metal-detect-kit/id6590625137)

Explore your surroundings with advanced features like object tracking, pose recognition, and metal detection using your device's sensors. Engage with augmented reality games and utilize depth prediction for precise measurements.

**Highlights:** Smile to Unlock content, Object counting via photo, Real-time object tracking, Metal detection using magnetometer, Pose tracking, Depth prediction with Lidar, 4 Augmented Reality games

**Features:** macOS Compatibility

**In-app purchases:** none


### Sonic Motion

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metal Detect Kit free?

Metal Detect Kit is free to download, with no in-app purchases.

### Is Sonic Motion free?

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

### Do Metal Detect Kit or Sonic Motion have ads?

Metal Detect Kit shows ads; Sonic Motion does not.

### Which is updated more often, Metal Detect Kit or Sonic Motion?

Metal Detect Kit ships an update every 3 months, and Sonic Motion every 15 months. Most recently, Metal Detect Kit was updated on September 18, 2026 and Sonic Motion on October 9, 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.*