# Puffect vs Stack Tower

The clearest difference is in-app purchases: Stack Tower at none against Puffect's 1. Puffect's advantage is update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Puffect ships an update daily, Stack Tower every 2 months. The most recent releases landed on September 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Puffect | Stack Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/puffect-perfect-circle-game/id6759518492/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 21 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammet Arif SARIKAYA](https://appshunter.io/developer/1646262292) | [Yusuf Uyar](https://appshunter.io/developer/1881273203) |

## What reviewers say

### Puffect

[App page](https://appshunter.io/ios/app/puffect-perfect-circle-game/id6759518492)

Test your hand precision by drawing circles on your screen and receiving an instant perfection score. A cute pufferfish reacts to your performance, and you can challenge yourself with daily tasks and compete with friends on global leaderboards. It's harder than it looks!

**Highlights:** Instant precision scoring, Pufferfish mascot reactions, Personal best tracking, Daily challenges, Global leaderboards, Offline play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Stack Tower

[App page](https://appshunter.io/ios/app/stack-tower-world-edition/id6760509445)

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

**In-app purchases:** none


## Frequently asked questions

### Is Puffect free?

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

### Is Stack Tower free?

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

### Do Puffect or Stack Tower have ads?

Neither Puffect nor Stack Tower shows ads.

### Which is updated more often, Puffect or Stack Tower?

Puffect ships an update daily, and Stack Tower every 2 months. Most recently, Puffect was updated on September 4, 2026 and Stack Tower on September 10, 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.*