# Magnetometer vs SimpleLink™ Connect

The clearest difference is review sentiment: Magnetometer at 86% against SimpleLink™ Connect's 0%. Magnetometer also leads on rating (4.4 vs 3.0) and ratings volume (13 vs 2). SimpleLink™ Connect's advantage is price (Free vs $0.99) and update cadence (every 3 months vs every 34 months). On ads, in-app purchases and iOS requirement there is nothing between them.

SimpleLink™ Connect is free to download; Magnetometer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Magnetometer holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Magnetometer has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 86% of Magnetometer's written reviews are positive against 0% of SimpleLink™ Connect's.

Magnetometer ships an update every 34 months, SimpleLink™ Connect every 3 months. The most recent releases landed on September 7, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Magnetometer | SimpleLink™ Connect |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.4 (13 ratings)](https://appshunter.io/ios/app/magnetometer/id1662997574/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/simplelink-connect/id6445892658/reviews) |
| Number of ratings | **13** | 2 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bogdan Gavriluta](https://appshunter.io/developer/1584690995) | [Texas Instruments](https://appshunter.io/developer/329739753) |

## What reviewers say

### Magnetometer

[App page](https://appshunter.io/ios/app/magnetometer/id1662997574)

This application uses your iPhone's compass to detect electromagnetic interference, helping you find metal objects or magnets. It's designed for fun and experimental purposes, not as a professional tool. Discover hidden metal items or simply explore the magnetic fields around you.

**Highlights:** Detects metal and magnets, Uses iPhone's compass, Measures EMF interference, Fun and experimental use, Simple user interface

**In-app purchases:** none


### SimpleLink™ Connect

[App page](https://appshunter.io/ios/app/simplelink-connect/id6445892658)

Connect your SimpleLink Launchpads to your smartphone via Bluetooth Low Energy. This utility app enables over-the-air upgrades for your devices.

**Highlights:** Bluetooth Low Energy connectivity, Connects to SimpleLink Launchpads, Over-the-Air (OTA) upgrades, Smartphone integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Magnetometer free?

Magnetometer costs $0.99, with no in-app purchases.

### Is SimpleLink™ Connect free?

SimpleLink™ Connect is free to download, with no in-app purchases.

### Which has better reviews, Magnetometer or SimpleLink™ Connect?

Magnetometer is rated higher. Magnetometer averages 4.4 out of 5 from 13 ratings, while SimpleLink™ Connect averages 3.0 from 2 ratings.

### Do Magnetometer or SimpleLink™ Connect have ads?

Neither Magnetometer nor SimpleLink™ Connect shows ads.

### Which is updated more often, Magnetometer or SimpleLink™ Connect?

Magnetometer ships an update every 34 months, and SimpleLink™ Connect every 3 months. Most recently, Magnetometer was updated on September 7, 2026 and SimpleLink™ Connect on August 13, 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.*