# Magnetic Detector vs Pump Power Calculator

The clearest difference is update cadence: Pump Power Calculator at every 7 months against Magnetic Detector's every 60 months. On price, ads, in-app purchases and device support there is nothing between them.

Magnetic Detector costs $2.99 and Pump Power Calculator $2.99 up front. Magnetic Detector sells 1 one-off in-app purchase and Pump Power Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Magnetic Detector ships an update every 60 months, Pump Power Calculator every 7 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Magnetic Detector | Pump Power Calculator |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[4.4 (186 ratings)](https://appshunter.io/ios/app/magnetic-detector/id1436465173/reviews)** | — |
| Number of ratings | **186** | — |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 60 months | **Every 7 months** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 37 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### Magnetic Detector

[App page](https://appshunter.io/ios/app/magnetic-detector/id1436465173)

Detect hidden metal objects like studs and fasteners within walls using your device's magnetic sensor. The app measures magnetic field strength, providing visual and auditory feedback as you scan.

**Highlights:** Detects wood studs and metal fasteners, Uses device's magnetometer sensor, Visual needle and active beep feedback, Measures magnetic field in μT, Identifies nearby metal objects

**In-app purchases (1)**

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

**What reviewers like**

- ✅ Effectively detects metal and magnetic fields
- 👍 Simple and user-friendly interface
- 🎯 Works well for finding studs in walls
- 💰 Free or affordable pricing
- 🔧 Useful for home renovation and DIY projects

**What reviewers complain about**

- 🐛 Crashes and freezes frequently
- ⏱️ Limited free trial time
- 📢 Intrusive pop-up advertisements
- ❌ Inconsistent performance across devices
- 🚫 Does not work through drywall effectively

**Reported bugs**

- App crashes before detection can occur
- Freezes after first use, requires phone reboot
- Fails to detect studs through drywall
- Performance issues on iPad
- Inconsistent detection results on certain devices

**Requested features**

- Longer free trial duration
- Directional indicator for magnetic sources
- Clearer sensor location guidance
- Benchmark or calibration tool for verification
- Multi-language support for customer service


### Pump Power Calculator

[App page](https://appshunter.io/ios/app/pump-power-calculator/id1671140802)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Magnetic Detector free?

Magnetic Detector costs $2.99, and also offers in-app purchases.

### Is Pump Power Calculator free?

Pump Power Calculator costs $2.99, and also offers in-app purchases.

### Do Magnetic Detector or Pump Power Calculator have ads?

Neither Magnetic Detector nor Pump Power Calculator shows ads.

### Which is updated more often, Magnetic Detector or Pump Power Calculator?

Magnetic Detector ships an update every 60 months, and Pump Power Calculator every 7 months. Most recently, Magnetic Detector was updated on November 2, 2026 and Pump Power Calculator on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*