# TekSat Track vs Metal Detector・EMF Reader

The clearest difference is in-app purchases: TekSat Track at none against Metal Detector・EMF Reader's 1. TekSat Track also leads on iOS requirement (9.0 vs 16.6). Metal Detector・EMF Reader's advantage is update cadence (weekly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Metal Detector・EMF Reader sells 1 one-off in-app purchase. TekSat Track asks for nothing beyond the download.

TekSat Track ships an update every 8 months, Metal Detector・EMF Reader weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TekSat Track | Metal Detector・EMF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/metal-detectoremf-reader/id6749162622/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | — | Free |
| Size | 5 MB | 18 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Prestacom](https://appshunter.io/developer/1339123461) | [Yash Mandhyan](https://appshunter.io/developer/1856960217) |

## What reviewers say

### TekSat Track

[App page](https://appshunter.io/ios/app/teksat-track/id1339123462)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metal Detector・EMF Reader

[App page](https://appshunter.io/ios/app/metal-detectoremf-reader/id6749162622)

Transform your iPhone into a versatile tool for detecting metal objects, locating wall studs, and measuring EMF levels. Utilize the device's built-in magnetometer for real-time insights into magnetic fields and signal strength, perfect for various DIY and utility tasks.

**Highlights:** Detect nearby metal objects, Find wall studs, screws, nails, pipes, Real-time magnetic field readings, Live EMF meter and graph visualization, Signal confidence indicator, Axis-based directional detection

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $2.99 | one-time |


## Frequently asked questions

### Is TekSat Track free?

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

### Is Metal Detector・EMF Reader free?

Metal Detector・EMF Reader is free to download, with in-app purchases available.

### Do TekSat Track or Metal Detector・EMF Reader have ads?

Neither TekSat Track nor Metal Detector・EMF Reader shows ads.

### Which is updated more often, TekSat Track or Metal Detector・EMF Reader?

TekSat Track ships an update every 8 months, and Metal Detector・EMF Reader weekly. Most recently, TekSat Track was updated on October 10, 2026 and Metal Detector・EMF Reader on October 25, 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.*