# CALC~blocks vs Arithmetic King

The clearest difference is ads: Arithmetic King at none against CALC~blocks's shown. CALC~blocks's advantage is iOS requirement (9.0 vs 11.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 21, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | CALC~blocks | Arithmetic King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/calcblocks/id1229303760/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 65.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 31 MB | 48 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [杰超 杨](https://appshunter.io/developer/1364053114) |

## What reviewers say

### CALC~blocks

[App page](https://appshunter.io/ios/app/calcblocks/id1229303760)

A block math puzzle game where you calculate math results to clear blocks, similar to Tetris. Aim for combos and higher scores by clearing blocks quickly and correctly. Enjoy different difficulty levels and play offline.

**Highlights:** Block math puzzle gameplay, Calculate math results to clear blocks, Combo shots for higher scores, Multiple difficulty levels, Offline play supported, Visual effects

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

**In-app purchases:** none


### Arithmetic King

[App page](https://appshunter.io/ios/app/arithmetic-king/id1589684255)

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

**In-app purchases:** none


## Frequently asked questions

### Is CALC~blocks free?

CALC~blocks is free to download, with no in-app purchases.

### Is Arithmetic King free?

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

### Do CALC~blocks or Arithmetic King have ads?

CALC~blocks shows ads; Arithmetic King does not.

### Which is updated more often, CALC~blocks or Arithmetic King?

CALC~blocks ships an update every 3 weeks, and Arithmetic King every 3 weeks. Most recently, CALC~blocks was updated on September 21, 2026 and Arithmetic King on September 6, 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.*