# Megapixel Calculator vs Horizontal Accelerometer

The clearest difference is update cadence: Horizontal Accelerometer at every 6 weeks against Megapixel Calculator's every 9 months. Horizontal Accelerometer also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Megapixel Calculator ships an update every 9 months, Horizontal Accelerometer every 6 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Megapixel Calculator | Horizontal Accelerometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/megapixel-calculator/id1452649309/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 4 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tihomir Radev](https://appshunter.io/developer/1403507147) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Megapixel Calculator

[App page](https://appshunter.io/ios/app/megapixel-calculator/id1452649309)

This utility helps you understand screen and image resolutions. Calculate megapixels from dimensions or find dimensions from megapixels. It also includes a DPI calculator for screens.

**Highlights:** Calculate megapixels from dimensions, Calculate dimensions from megapixels, Determine aspect ratio, DPI calculator, Supports various resolutions

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

**In-app purchases:** none


### Horizontal Accelerometer

[App page](https://appshunter.io/ios/app/horizontal-accelerometer/id6444095874)

This tool measures real-time horizontal acceleration, deceleration, and lateral G-force for automobiles. It features color-coded zones and sounds for easy understanding while driving and can also be used for engineering education and evaluating structural rigidity.

**Highlights:** Real-time horizontal acceleration measurement, Measures deceleration and lateral G-force, Color zones and sound alerts for values, Calibration for accurate readings, Peak hold and max value tracking, Adjustable color zone thresholds and sound

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Megapixel Calculator free?

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

### Is Horizontal Accelerometer free?

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

### Do Megapixel Calculator or Horizontal Accelerometer have ads?

Both Megapixel Calculator and Horizontal Accelerometer show ads.

### Which is updated more often, Megapixel Calculator or Horizontal Accelerometer?

Megapixel Calculator ships an update every 9 months, and Horizontal Accelerometer every 6 weeks. Most recently, Megapixel Calculator was updated on October 5, 2026 and Horizontal Accelerometer on October 7, 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.*