# NumeriKu vs Block Harmonics

NumeriKu and Block Harmonics are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

NumeriKu ships an update every 2 weeks, Block Harmonics every 9 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NumeriKu | Block Harmonics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 17 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adria Navarro Bosque](https://appshunter.io/developer/1684303491) | [Ikuya Terasaka](https://appshunter.io/developer/1163471139) |

## What reviewers say

### NumeriKu

[App page](https://appshunter.io/ios/app/numeriku-numbers-game/id6448303116)

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

**In-app purchases:** none


### Block Harmonics

[App page](https://appshunter.io/ios/app/block-harmonics/id6752220613)

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

**In-app purchases:** none


## Frequently asked questions

### Is NumeriKu free?

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

### Is Block Harmonics free?

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

### Do NumeriKu or Block Harmonics have ads?

Both NumeriKu and Block Harmonics show ads.

### Which is updated more often, NumeriKu or Block Harmonics?

NumeriKu ships an update every 2 weeks, and Block Harmonics every 9 days. Most recently, NumeriKu was updated on October 27, 2026 and Block Harmonics on November 5, 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.*