# Reaction Speed Test Pro vs Countdown (Pro)

The clearest difference is price: Countdown (Pro) at Free against Reaction Speed Test Pro's $0.99. Countdown (Pro) also leads on iOS requirement (12.0 vs 15.0). Reaction Speed Test Pro's advantage is update cadence (every 2 days vs every 5 weeks). On ads, in-app purchases and device support there is nothing between them.

Countdown (Pro) is free to download; Reaction Speed Test Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reaction Speed Test Pro ships an update every 2 days, Countdown (Pro) every 5 weeks. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Reaction Speed Test Pro | Countdown (Pro) |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/countdown-pro/id6477356554/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | — | Free |
| Size | 6 MB | 45 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anatoliy Voropay](https://appshunter.io/developer/459700393) | [christoph joshua BOLL](https://appshunter.io/developer/1631352653) |

## What reviewers say

### Reaction Speed Test Pro

[App page](https://appshunter.io/ios/app/reaction-speed-test-pro/id1603215049)

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

**In-app purchases:** none


### Countdown (Pro)

[App page](https://appshunter.io/ios/app/countdown-pro/id6477356554)

Track upcoming events, set reminders for important dates, and personalize your countdowns with images and names. Share your anticipation with friends and family. Enjoy a seamless, ad-free experience for all your time-tracking needs.

**Highlights:** Personal countdowns for events, Customizable reminders, Ad-free experience, User-friendly interface, Personalization with pictures and names, Shareable countdowns

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

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Speed Test Pro free?

Reaction Speed Test Pro costs $0.99, with no in-app purchases.

### Is Countdown (Pro) free?

Countdown (Pro) is free to download, with no in-app purchases.

### Do Reaction Speed Test Pro or Countdown (Pro) have ads?

Neither Reaction Speed Test Pro nor Countdown (Pro) shows ads.

### Which is updated more often, Reaction Speed Test Pro or Countdown (Pro)?

Reaction Speed Test Pro ships an update every 2 days, and Countdown (Pro) every 5 weeks. Most recently, Reaction Speed Test Pro was updated on October 11, 2026 and Countdown (Pro) on September 24, 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.*