# Touch and Detect vs AutoChoice

The clearest difference is in-app purchases: Touch and Detect at none against AutoChoice's 1. Touch and Detect also leads on iOS requirement (15.6 vs 17.0). AutoChoice's advantage is ads (none vs shown) and update cadence (every 4 days vs monthly). On price and device support there is nothing between them.

Both are free to download. AutoChoice sells 1 one-off in-app purchase. Touch and Detect asks for nothing beyond the download.

Touch and Detect ships an update monthly, AutoChoice every 4 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Touch and Detect | AutoChoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/touch-and-detect-magnetify/id6743667588/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) | [Hao Sun](https://appshunter.io/developer/1896030287) |

## What reviewers say

### Touch and Detect

[App page](https://appshunter.io/ios/app/touch-and-detect-magnetify/id6743667588)

Easily test surfaces for magnetic properties with a simple touch. Detects if magnets stick to various household items like refrigerators and bathrooms, providing visual and haptic feedback.

**Highlights:** Test magnetic surfaces, Simple touch interface, Visual magnetic symbol, Vibration feedback, Sound effect notifications

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

**In-app purchases:** none


### AutoChoice

[App page](https://appshunter.io/ios/app/autochoice/id6765667062)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AutoChoice Premium | $1.99 | one-time |


## Frequently asked questions

### Is Touch and Detect free?

Touch and Detect is free to download, with no in-app purchases.

### Is AutoChoice free?

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

### Do Touch and Detect or AutoChoice have ads?

Touch and Detect shows ads; AutoChoice does not.

### Which is updated more often, Touch and Detect or AutoChoice?

Touch and Detect ships an update monthly, and AutoChoice every 4 days. Most recently, Touch and Detect was updated on October 15, 2026 and AutoChoice on October 7, 2026.

---

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