# CHIEF. vs BlockMathAR

The clearest difference is ads: CHIEF. at none against BlockMathAR's shown. CHIEF. also leads on iOS requirement (15.1 vs 17.0). 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.

CHIEF. ships an update every 2 months, BlockMathAR every 3 months. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CHIEF. | BlockMathAR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 44 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Maksym Bezagotiy](https://appshunter.io/developer/1873084962) | [relogica Inc.](https://appshunter.io/developer/1852430714) |

## What reviewers say

### CHIEF.

[App page](https://appshunter.io/ios/app/chief/id6758465675)

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

**In-app purchases:** none


### BlockMathAR

[App page](https://appshunter.io/ios/app/blockmathar-addition/id6759240765)

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

**In-app purchases:** none


## Frequently asked questions

### Is CHIEF. free?

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

### Is BlockMathAR free?

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

### Do CHIEF. or BlockMathAR have ads?

BlockMathAR shows ads; CHIEF. does not.

### Which is updated more often, CHIEF. or BlockMathAR?

CHIEF. ships an update every 2 months, and BlockMathAR every 3 months. Most recently, CHIEF. was updated on October 13, 2026 and BlockMathAR on October 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.*