# Stud Finder & Metal Detector vs Readius

The clearest difference is in-app purchases: Readius at none against Stud Finder & Metal Detector's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stud Finder & Metal Detector sells 3 in-app purchases, starting at $2.99 per month. Readius asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stud Finder & Metal Detector | Readius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (360 ratings)](https://appshunter.io/ios/app/stud-finder-and-metal-detector/id1590127973/reviews)** | — |
| Number of ratings | **360** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 418 MB |
| Requires iOS | 14.0 | 14 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Andrey Ivankin](https://appshunter.io/developer/1615973131) | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) |

## What reviewers say

### Stud Finder & Metal Detector

[App page](https://appshunter.io/ios/app/stud-finder-and-metal-detector/id1590127973)

Easily locate hidden ferrous metal objects like studs, screws, and nails behind various surfaces. This tool uses your phone's magnetic field sensor to provide accurate detection with visual, audio, and tactile alerts. It also offers detailed magnetic field data for advanced analysis.

**Highlights:** Detects ferrous metal objects, Analyzes magnetic field changes, Visual, audio, and tactile alerts, Displays magnetic field data (µT), Measurement history, Sensor location guidance

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $2.99 | per month |
| Stud Finder: Pro Version | $3.99 | one-time |
| Premium Lifetime Subscription | $6.99 | one-time |

**What reviewers like**

- 👍 Best stud finder among tested apps
- 👍 Works as advertised
- 👍 Able to find drywall screws
- 👍 Sensitive with slow, continuous movement

**What reviewers complain about**

- 😞 Useless app
- 😞 Cannot use it
- 😞 Waste of time
- 😞 Doesn't work
- 😞 Not even close to working

**Reported bugs**

- Ads appear at critical moments
- Doesn't find anything

**Requested features**

- More of an x-ray view
- Needs more work


### Readius

[App page](https://appshunter.io/ios/app/readius/id6443592437)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stud Finder & Metal Detector free?

Stud Finder & Metal Detector is free to download, with in-app purchases available.

### Is Readius free?

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

### Do Stud Finder & Metal Detector or Readius have ads?

Neither Stud Finder & Metal Detector nor Readius shows ads.

### Which is updated more often, Stud Finder & Metal Detector or Readius?

Stud Finder & Metal Detector ships an update every 2 months, and Readius every 2 months. Most recently, Stud Finder & Metal Detector was updated on November 7, 2026 and Readius on November 3, 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.*