# Chickatron 20N vs Stud Finder

The clearest difference is price: Stud Finder at Free against Chickatron 20N's $4.99. Chickatron 20N's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Stud Finder is free to download; Chickatron 20N costs $4.99 up front. Stud Finder sells 3 in-app purchases, starting at $5.99 per 7 days. Chickatron 20N asks for nothing beyond the download.

Chickatron 20N ships an update every 2 months, Stud Finder every 3 months. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Chickatron 20N | Stud Finder |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.0 (102 ratings)](https://appshunter.io/ios/app/stud-finder-wall-detector-pro/id6755739674/reviews)** |
| Number of ratings | — | **102** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 21 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siam Water Flame Company Limited](https://appshunter.io/developer/1667441266) | [Nergis Sadiklar](https://appshunter.io/developer/1791715574) |

## What reviewers say

### Chickatron 20N

[App page](https://appshunter.io/ios/app/chickatron-20n/id6744821433)

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

**In-app purchases:** none


### Stud Finder

[App page](https://appshunter.io/ios/app/stud-finder-wall-detector-pro/id6755739674)

This app transforms your phone into a professional wall scanner, detecting studs, nails, and metallic objects behind drywall. It offers precise positioning, customizable alerts, and sensitivity calibration for various wall types. A free bubble level tool is also included.

**Highlights:** Smart Detection System, 3D Position Mapping, Multi-Sensory Alerts, Sensitivity Calibration, Bubble Level Tool

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studfinder Tool Weekly | $5.99 | per 7 days |
| Studfinder Tool Weekly with Trial | $7.99 | per 7 days |
| Studfinder Tool Yearly | $39.99 | per year |


## Frequently asked questions

### Is Chickatron 20N free?

Chickatron 20N costs $4.99, with no in-app purchases.

### Is Stud Finder free?

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

### Do Chickatron 20N or Stud Finder have ads?

Neither Chickatron 20N nor Stud Finder shows ads.

### Which is updated more often, Chickatron 20N or Stud Finder?

Chickatron 20N ships an update every 2 months, and Stud Finder every 3 months. Most recently, Chickatron 20N was updated on October 30, 2026 and Stud Finder on November 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.*