# Stacker Arcade vs Reflex & Reaction Trainer

The clearest difference is price: Reflex & Reaction Trainer at Free against Stacker Arcade's $0.99. Reflex & Reaction Trainer also leads on update cadence (every 2 weeks vs every 4 weeks) and iOS requirement (15.0 vs 18.5). Stacker Arcade's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Reflex & Reaction Trainer is free to download; Stacker Arcade costs $0.99 up front. Reflex & Reaction Trainer sells 2 in-app purchases, starting at $4.99 per 7 days. Stacker Arcade asks for nothing beyond the download.

Stacker Arcade ships an update every 4 weeks, Reflex & Reaction Trainer every 2 weeks. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Stacker Arcade | Reflex & Reaction Trainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/reflex-and-reaction-trainer/id6779956544/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 3 MB | 41 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Omid Nazifi](https://appshunter.io/developer/1208952331) | [Murat Sait Dogan](https://appshunter.io/developer/6779956546) |

## What reviewers say

### Stacker Arcade

[App page](https://appshunter.io/ios/app/stacker-arcade/id6751016906)

Test your reflexes in a fast-paced stacking challenge. Tap to perfectly align moving blocks and build your tower higher. Miss the mark and your platform shrinks, making the game increasingly difficult. Aim for the top and beat your high score.

**Highlights:** Fast-paced stacking challenge, Precision block alignment, Shrinking platform mechanic, Increasing speed and difficulty, Endless play mode, High score tracking

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

**In-app purchases:** none


### Reflex & Reaction Trainer

[App page](https://appshunter.io/ios/app/reflex-and-reaction-trainer/id6779956544)

Enhance your reaction speed, focus, and precision with engaging challenges. Track your progress through various game modes and aim to beat your personal best.

**Highlights:** Reaction time measurement, Reflex training challenges, Focus and precision exercises, Visual memory tests, Progress tracking (scores, history, XP), Daily goals and streaks, Endless Challenge mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kinetiq Pro Weekly | $4.99 | per 7 days |
| Kinetiq Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Stacker Arcade free?

Stacker Arcade costs $0.99, with no in-app purchases.

### Is Reflex & Reaction Trainer free?

Reflex & Reaction Trainer is free to download, with in-app purchases available.

### Do Stacker Arcade or Reflex & Reaction Trainer have ads?

Neither Stacker Arcade nor Reflex & Reaction Trainer shows ads.

### Which is updated more often, Stacker Arcade or Reflex & Reaction Trainer?

Stacker Arcade ships an update every 4 weeks, and Reflex & Reaction Trainer every 2 weeks. Most recently, Stacker Arcade was updated on October 8, 2026 and Reflex & Reaction Trainer on October 6, 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.*