# Stack 101 Tower vs Obrazko

The clearest difference is ads: Obrazko at none against Stack 101 Tower's shown. Stack 101 Tower's advantage is update cadence (every 5 days vs monthly) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stack 101 Tower ships an update every 5 days, Obrazko monthly. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Stack 101 Tower | Obrazko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Size | 54 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) | [Web 3.0 s.r.o.](https://appshunter.io/developer/1896271989) |

## What reviewers say

### Stack 101 Tower

[App page](https://appshunter.io/ios/app/stack-101-tower/id6759484448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Obrazko

[App page](https://appshunter.io/ios/app/obrazko-nonogram-puzzles/id6788676095)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack 101 Tower free?

Stack 101 Tower is free to download, with no in-app purchases.

### Is Obrazko free?

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

### Do Stack 101 Tower or Obrazko have ads?

Stack 101 Tower shows ads; Obrazko does not.

### Which is updated more often, Stack 101 Tower or Obrazko?

Stack 101 Tower ships an update every 5 days, and Obrazko monthly. Most recently, Stack 101 Tower was updated on September 14, 2026 and Obrazko on September 20, 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.*