# Wall Stud Magnetic Detector vs AgroCognitive

The clearest difference is rating: AgroCognitive at 5.0 against Wall Stud Magnetic Detector's 3.6. AgroCognitive also leads on in-app purchases (none vs 1) and ads (none vs shown). Wall Stud Magnetic Detector's advantage is ratings volume (647 vs 1) and iOS requirement (12.1 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Wall Stud Magnetic Detector sells 1 one-off in-app purchase. AgroCognitive asks for nothing beyond the download.

AgroCognitive holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Wall Stud Magnetic Detector has 647 ratings behind it against 1, so its average is the more settled of the two.

Wall Stud Magnetic Detector ships an update every 5 months, AgroCognitive every 2 months. The most recent releases landed on September 3, 2026 and June 25, 2026 respectively.

## The numbers

| Metric | Wall Stud Magnetic Detector | AgroCognitive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (647 ratings)](https://appshunter.io/ios/app/wall-stud-magnetic-detector/id1388897850/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/agrocognitive/id1533192576/reviews)** |
| Number of ratings | **647** | 1 |
| Positive reviews | 69.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 126 MB | 53 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Smartbase Group International Corp.](https://appshunter.io/developer/1506995796) |

## What reviewers say

### Wall Stud Magnetic Detector

[App page](https://appshunter.io/ios/app/wall-stud-magnetic-detector/id1388897850)

This app uses your device's magnetometer to detect metal studs, nails, and screws behind walls. It provides an audible beep and visual indication as you scan, similar to a handheld stud finder. Ideal for DIYers and contractors locating structural elements.

**Highlights:** Detects metal studs, nails, and screws, Uses device's compass (magnetometer) sensor, Active detection beep, Measures magnetic field in uT, Stores detected stud times

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Works as expected
- 💡 Helpful for DIY projects
- 🚀 Accurate stud detection

**What reviewers complain about**

- 🐛 Frequent ads/pop-ups
- ⏱️ Short trial period
- 🔒 Requires purchase to fully use

**Reported bugs**

- App crashes frequently
- Inconsistent stud detection
- Incompatible with some devices

**Requested features**

- Longer trial period
- Less intrusive ads
- Improved accuracy for metal/wiring detection


### AgroCognitive

[App page](https://appshunter.io/ios/app/agrocognitive/id1533192576)

This platform uses satellite imagery and AI to provide farmers with insights into their crops. It offers diagnoses, recommendations, and automation for agricultural processes, helping to optimize resource use and increase yields.

**Highlights:** Satellite imagery analysis, AI-driven crop diagnostics, Farming recommendations, Agricultural process automation, Crop health monitoring, Yield optimization

**In-app purchases:** none


## Frequently asked questions

### Is Wall Stud Magnetic Detector free?

Wall Stud Magnetic Detector is free to download, with in-app purchases available.

### Is AgroCognitive free?

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

### Which has better reviews, Wall Stud Magnetic Detector or AgroCognitive?

AgroCognitive is rated higher. Wall Stud Magnetic Detector averages 3.6 out of 5 from 647 ratings, while AgroCognitive averages 5.0 from 1 ratings.

### Do Wall Stud Magnetic Detector or AgroCognitive have ads?

Wall Stud Magnetic Detector shows ads; AgroCognitive does not.

### Which is updated more often, Wall Stud Magnetic Detector or AgroCognitive?

Wall Stud Magnetic Detector ships an update every 5 months, and AgroCognitive every 2 months. Most recently, Wall Stud Magnetic Detector was updated on September 3, 2026 and AgroCognitive on June 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.*