# BlitzTap vs Card Stack

The clearest difference is in-app purchases: Card Stack at none against BlitzTap's 1. Card Stack also leads on update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BlitzTap sells 1 one-off in-app purchase. Card Stack asks for nothing beyond the download.

BlitzTap ships an update every 2 weeks, Card Stack every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BlitzTap | Card Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/blitztap-reaction-time-game/id6759490849/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 127 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Graysmith Labs LLC](https://appshunter.io/developer/1871756911) | [Furkan Savas](https://appshunter.io/developer/1840487666) |

## What reviewers say

### BlitzTap

[App page](https://appshunter.io/ios/app/blitztap-reaction-time-game/id6759490849)

Test your reflexes and pattern recognition with this fast-paced shape matching game. Tap the correct shape before time runs out, progressing through increasing difficulty tiers. Offers multiple game modes and customizable visual elements.

**Highlights:** Shape matching gameplay, Four difficulty tiers, Classic, Time Attack, Zen, and Daily Challenge modes, Streak multipliers for higher scores, Customizable skins and backgrounds, Personal best tracking, Haptic feedback and sound effects

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Card Stack

[App page](https://appshunter.io/ios/app/card-stack-up-or-down/id6782604201)

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

**In-app purchases:** none


## Frequently asked questions

### Is BlitzTap free?

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

### Is Card Stack free?

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

### Do BlitzTap or Card Stack have ads?

Both BlitzTap and Card Stack show ads.

### Which is updated more often, BlitzTap or Card Stack?

BlitzTap ships an update every 2 weeks, and Card Stack every 3 days. Most recently, BlitzTap was updated on November 5, 2026 and Card Stack 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.*