# Horizon vs Simple Reaction Timer

The clearest difference is in-app purchases: Simple Reaction Timer at none against Horizon's 2. Simple Reaction Timer also leads on update cadence (daily vs every 3 months). Horizon's advantage is iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Horizon sells 2 in-app purchases, starting at $7.99 per 7 days. Simple Reaction Timer asks for nothing beyond the download.

Horizon ships an update every 3 months, Simple Reaction Timer daily. The most recent releases landed on September 28, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Horizon | Simple Reaction Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (20K ratings)](https://appshunter.io/ios/app/horizon/id1351719370/reviews)** | — |
| Number of ratings | **20K** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Freemium | — |
| Size | 253 MB | 10 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ketchapp](https://appshunter.io/developer/528065807) | [ANDREW MARTYN BANNER](https://appshunter.io/developer/1785719851) |

## What reviewers say

### Horizon

[App page](https://appshunter.io/ios/app/horizon/id1351719370)

Navigate a dynamic world, dodging obstacles and performing stunts. Collect gems, unlock new ships and trails, and compete globally. Master challenges and earn XP to rank up.

**Highlights:** Avoid obstacles, Perform barrel rolls, Collect gems, Complete 100 challenges, Unlock 40 ships, Receive daily rewards, Compare high scores globally

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $7.99 | per 7 days |
| 10 Extra Lives | $0.99 | one-time |

**What reviewers like**

- 🚀 Smooth gameplay
- 💡 Unique neon theme
- 👍 Challenging but addictive

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🔒 Inability to access all features
- 💰 Overpriced premium subscription

**Reported bugs**

- Crashes and freezes
- Inability to access trails and ships
- Score resets and progress loss

**Requested features**

- Add more game modes and levels
- Improve sensitivity and controls
- Fix issues with unlocking ships and trails


### Simple Reaction Timer

[App page](https://appshunter.io/ios/app/simple-reaction-timer/id6752825952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Horizon free?

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

### Is Simple Reaction Timer free?

Simple Reaction Timer is free to download, with no in-app purchases.

### Do Horizon or Simple Reaction Timer have ads?

Both Horizon and Simple Reaction Timer show ads.

### Which is updated more often, Horizon or Simple Reaction Timer?

Horizon ships an update every 3 months, and Simple Reaction Timer daily. Most recently, Horizon was updated on September 28, 2026 and Simple Reaction Timer on September 8, 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.*