# Zotz! vs Tap Stack

The clearest difference is in-app purchases: Zotz! at none against Tap Stack's 1. Zotz! also leads on ads (none vs shown). Tap Stack's advantage is update cadence (every 4 days vs every 11 months) and iOS requirement (15.1 vs 26.0). On price, rating, ratings volume and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Zotz! against 5.0 for Tap Stack. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Zotz! ships an update every 11 months, Tap Stack every 4 days. The most recent releases landed on October 4, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Zotz! | Tap Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/zotz/id346433833/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tap-stack-endless-stacking/id6754524736/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 48 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matt Neuburg](https://appshunter.io/developer/346204863) | [Ola Borthen](https://appshunter.io/developer/842843710) |

## What reviewers say

### Zotz!

[App page](https://appshunter.io/ios/app/zotz/id346433833)

This game offers a unique perceptual challenge, training your brain and eyes with a simple card-matching mechanic. Customize colors, fill types, and card layouts to your preference. Enjoy a pressure-free experience with no timer or score.

**Highlights:** Perceptual practice, Brain and eye training, Customizable attributes, No timer or score, Simple card challenge

**Features:** macOS Compatibility

**In-app purchases:** none


### Tap Stack

[App page](https://appshunter.io/ios/app/tap-stack-endless-stacking/id6754524736)

Tap to stack colorful blocks and build your tower as high as possible. Dodge explosive bombs and enjoy satisfying visual and sound effects. Perfect for quick gaming sessions or stress relief.

**Highlights:** Infinite block stacking gameplay, Bomb dodge mechanic, Progressive difficulty and speed increases, Milestone celebrations, Local high score system, One-handed portrait gameplay, Offline play

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads + free retry | $1.99 | one-time |


## Frequently asked questions

### Is Zotz! free?

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

### Is Tap Stack free?

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

### Which has better reviews, Zotz! or Tap Stack?

Zotz! and Tap Stack are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Zotz! or Tap Stack have ads?

Tap Stack shows ads; Zotz! does not.

### Which is updated more often, Zotz! or Tap Stack?

Zotz! ships an update every 11 months, and Tap Stack every 4 days. Most recently, Zotz! was updated on October 4, 2026 and Tap Stack on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*