# Reaction Time vs Dartline

The clearest difference is iOS requirement: Reaction Time at 15.0 against Dartline's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Reaction Time ships an update fortnightly, Dartline monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Reaction Time | Dartline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/reaction-time-tap-test/id1580161727/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 68.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Ad-supported | — |
| Size | 60 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Osawa Shunsuke](https://appshunter.io/developer/477431394) | [Takayuki Hamuro](https://appshunter.io/developer/1875707249) |

## What reviewers say

### Reaction Time

[App page](https://appshunter.io/ios/app/reaction-time-tap-test/id1580161727)

Test and train your reflexes with various game modes. Compete globally in periodic rankings to become the world champion. Ideal for improving reaction speed for emergencies.

**Highlights:** One-shot reflex games, Random appearance challenges, 3 consecutive reflex tests, Global player rankings, Periodic ranking resets, Reflex training for emergencies

**Features:** Vision Pro support

**In-app purchases:** none


### Dartline

[App page](https://appshunter.io/ios/app/dartline/id6770151748)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Time free?

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

### Is Dartline free?

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

### Do Reaction Time or Dartline have ads?

Both Reaction Time and Dartline show ads.

### Which is updated more often, Reaction Time or Dartline?

Reaction Time ships an update fortnightly, and Dartline monthly. Most recently, Reaction Time was updated on November 7, 2026 and Dartline 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.*