# Megapixels Resolution Calc vs Magnetometer

The clearest difference is update cadence: Magnetometer at weekly against Megapixels Resolution Calc's every 38 months. Magnetometer also leads on price ($1.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Megapixels Resolution Calc costs $2.99 and Magnetometer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Megapixels Resolution Calc ships an update every 38 months, Magnetometer weekly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Megapixels Resolution Calc | Magnetometer |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/magnetometer-emf-detector/id6752918170/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Weekly** |
| Monetization | — | Paid |
| Size | 1 MB | 23 MB |
| Requires iOS | 13 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [SootheTrail Solutions LLC](https://appshunter.io/developer/1815309839) |

## What reviewers say

### Megapixels Resolution Calc

[App page](https://appshunter.io/ios/app/megapixels-resolution-calc/id6444196890)

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

**In-app purchases:** none


### Magnetometer

[App page](https://appshunter.io/ios/app/magnetometer-emf-detector/id6752918170)

Transform your device into a precise electromagnetic field detector. Ideal for electrical safety checks, scientific exploration, and environmental monitoring with real-time readings and historical data.

**Highlights:** Real-time EMF detection, Historical trend charts, Customizable alerts, Data export, Multiple units support, Adjustable sampling rates

**In-app purchases:** none


## Frequently asked questions

### Is Megapixels Resolution Calc free?

Megapixels Resolution Calc costs $2.99, with no in-app purchases.

### Is Magnetometer free?

Magnetometer costs $1.99, with no in-app purchases.

### Do Megapixels Resolution Calc or Magnetometer have ads?

Neither Megapixels Resolution Calc nor Magnetometer shows ads.

### Which is updated more often, Megapixels Resolution Calc or Magnetometer?

Megapixels Resolution Calc ships an update every 38 months, and Magnetometer weekly. Most recently, Megapixels Resolution Calc was updated on October 9, 2026 and Magnetometer on October 1, 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.*