# Blocked Under Ground vs Nono Blocks Formula

The clearest difference is in-app purchases: Blocked Under Ground at none against Nono Blocks Formula's 1. Blocked Under Ground also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Nono Blocks Formula sells 1 one-off in-app purchase. Blocked Under Ground asks for nothing beyond the download.

## The numbers

| Metric | Blocked Under Ground | Nono Blocks Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/nono-blocks-formula/id6695739680/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 133 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Kloibhofer](https://appshunter.io/developer/1743807401) | [x2line.com LLC](https://appshunter.io/developer/425135293) |

## What reviewers say

### Blocked Under Ground

[App page](https://appshunter.io/ios/app/blocked-under-ground/id6499540583)

**In-app purchases:** none


### Nono Blocks Formula

[App page](https://appshunter.io/ios/app/nono-blocks-formula/id6695739680)

This logic puzzle game challenges players to fill in grid cells based on numerical hints to reveal a hidden pattern. With over 100 levels of increasing difficulty, it sharpens problem-solving skills. Enjoy intuitive tap controls on mobile or mouse support on Mac.

**Highlights:** Over 100 logic puzzles, Beginner to advanced difficulty, Intuitive tap controls, Mouse support for Mac, VoiceOver accessibility, Leaderboards for competition

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Check Solution | $0.99 | one-time |


## Frequently asked questions

### Is Blocked Under Ground free?

Blocked Under Ground is free to download, with no in-app purchases.

### Is Nono Blocks Formula free?

Nono Blocks Formula is free to download, with in-app purchases available.

### Do Blocked Under Ground or Nono Blocks Formula have ads?

Nono Blocks Formula shows ads; Blocked Under Ground does not.

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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.*