# AIMS ENGINEER vs Stud Finder

The clearest difference is in-app purchases: AIMS ENGINEER at none against Stud Finder's 3. AIMS ENGINEER also leads on update cadence (weekly vs every 2 months) and iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Stud Finder sells 3 in-app purchases, starting at $1.99 per year. AIMS ENGINEER asks for nothing beyond the download.

AIMS ENGINEER ships an update weekly, Stud Finder every 2 months. The most recent releases landed on October 4, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AIMS ENGINEER | Stud Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stud-finder-metal-detection/id6788580808/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 13 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Zhimeng Huang](https://appshunter.io/developer/550876452) | [Mobile Card Games & Travel Apps LLC](https://appshunter.io/developer/453389232) |

## What reviewers say

### AIMS ENGINEER

[App page](https://appshunter.io/ios/app/aims-engineer/id6450314064)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stud Finder

[App page](https://appshunter.io/ios/app/stud-finder-metal-detection/id6788580808)

This tool transforms your iPhone into a wall scanner to detect metal objects like screws, nails, and pipes before drilling. It uses the device's magnetometer to measure magnetic field changes, providing accurate readings for safer home improvement projects.

**Highlights:** Magnetic wall scanning, Detects screws, nails, pipes, and studs, Real-time magnetic field readings, Audible and visual alerts (Pro), Adjustable sensitivity (Pro), Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Annual | $1.99 | per year |
| Pro — Lifetime (Private Rate) | $2.99 | one-time |
| Pro — Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is AIMS ENGINEER free?

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

### Is Stud Finder free?

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

### Do AIMS ENGINEER or Stud Finder have ads?

Neither AIMS ENGINEER nor Stud Finder shows ads.

### Which is updated more often, AIMS ENGINEER or Stud Finder?

AIMS ENGINEER ships an update weekly, and Stud Finder every 2 months. Most recently, AIMS ENGINEER was updated on October 4, 2026 and Stud Finder on October 21, 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.*