# Horizontal Accelerometer vs TimeZoner

The clearest difference is review sentiment: TimeZoner at 100% against Horizontal Accelerometer's 50%. TimeZoner also leads on in-app purchases (none vs 1) and ads (none vs shown). Horizontal Accelerometer's advantage is price (Free vs $0.99) and iOS requirement (15.0 vs 18.5). On device support there is nothing between them.

Horizontal Accelerometer is free to download; TimeZoner costs $0.99 up front. Horizontal Accelerometer sells 1 one-off in-app purchase. TimeZoner asks for nothing beyond the download.

Horizontal Accelerometer ships an update every 6 weeks, TimeZoner every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Horizontal Accelerometer | TimeZoner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/timezoner-world-clock/id6749469974/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | **Ad-supported** | Paid |
| Size | 8 MB | 4 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [George Kopadze](https://appshunter.io/developer/1730781450) |

## What reviewers say

### 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Add Features | $5.99 | one-time |


### TimeZoner

[App page](https://appshunter.io/ios/app/timezoner-world-clock/id6749469974)

Effortlessly coordinate across different time zones with this world clock and converter. Ideal for remote teams and global businesses, it eliminates confusion with real-time displays, easy comparisons, and quick conversion buttons. Enjoy offline functionality and a clean, adaptable interface.

**Highlights:** Real-time clock display, Time comparison for scheduling, Custom time selection, Quick time conversion buttons, Country flag identification, Dark/Light mode, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Horizontal Accelerometer free?

Horizontal Accelerometer is free to download, with in-app purchases available.

### Is TimeZoner free?

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

### Do Horizontal Accelerometer or TimeZoner have ads?

Horizontal Accelerometer shows ads; TimeZoner does not.

### Which is updated more often, Horizontal Accelerometer or TimeZoner?

Horizontal Accelerometer ships an update every 6 weeks, and TimeZoner every 2 days. Most recently, Horizontal Accelerometer was updated on November 3, 2026 and TimeZoner on October 31, 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.*