# FedNote vs Stud + Metal Scanner

The clearest difference is in-app purchases: Stud + Metal Scanner at none against FedNote's 3. FedNote's advantage is update cadence (every 2 days vs every 9 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. FedNote sells 3 one-off in-app purchases. Stud + Metal Scanner asks for nothing beyond the download.

FedNote ships an update every 2 days, Stud + Metal Scanner every 9 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FedNote | Stud + Metal Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stud-plus-metal-scanner/id6757409552/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 months |
| Monetization | — | Free |
| Size | 38 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Polemics Applications LLC](https://appshunter.io/developer/482504032) | [PRADEEP CHENDURAN BALASUNDARAM](https://appshunter.io/developer/1866726591) |

## What reviewers say

### FedNote

[App page](https://appshunter.io/ios/app/fednote/id6742114931)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FedNote Tip $0.99 | $0.99 | one-time |
| FedNote Tip $4.99 | $4.99 | one-time |
| FedNote Tip $9.99 | $9.99 | one-time |


### Stud + Metal Scanner

[App page](https://appshunter.io/ios/app/stud-plus-metal-scanner/id6757409552)

Instantly locate studs, screws, and nails behind walls, or measure magnetic fields (EMF) using your iPhone's built-in sensor. This dual-mode utility is perfect for DIY projects, home improvement, and scientific exploration.

**Highlights:** Stud finder mode, Magnetometer (EMF) mode, Detect studs, screws, nails, and metal, Measure magnetic fields in real-time, Graph view for field changes, Pause scans for precision readings, Re-zero sensor for accuracy

**In-app purchases:** none


## Frequently asked questions

### Is FedNote free?

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

### Is Stud + Metal Scanner free?

Stud + Metal Scanner is free to download, with no in-app purchases.

### Do FedNote or Stud + Metal Scanner have ads?

Neither FedNote nor Stud + Metal Scanner shows ads.

### Which is updated more often, FedNote or Stud + Metal Scanner?

FedNote ships an update every 2 days, and Stud + Metal Scanner every 9 months. Most recently, FedNote was updated on October 7, 2026 and Stud + Metal Scanner on October 15, 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.*