# Math workout brain puzzle vs Standard Notation Calculator

The clearest difference is ads: Standard Notation Calculator at none against Math workout brain puzzle's shown. Standard Notation Calculator also leads on update cadence (every 9 months vs every 31 months) and iOS requirement (10.0 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.

Math workout brain puzzle ships an update every 31 months, Standard Notation Calculator every 9 months. The most recent releases landed on September 26, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Math workout brain puzzle | Standard Notation Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 31 months | **Every 9 months** |
| Size | 10 MB | 28 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merbin Joe](https://appshunter.io/developer/1281696078) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### Math workout brain puzzle

[App page](https://appshunter.io/ios/app/math-workout-brain-puzzle/id1574342689)

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

**In-app purchases:** none


### Standard Notation Calculator

[App page](https://appshunter.io/ios/app/standard-notation-calculator/id1601032021)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math workout brain puzzle free?

Math workout brain puzzle is free to download, with no in-app purchases.

### Is Standard Notation Calculator free?

Standard Notation Calculator is free to download, with no in-app purchases.

### Do Math workout brain puzzle or Standard Notation Calculator have ads?

Math workout brain puzzle shows ads; Standard Notation Calculator does not.

### Which is updated more often, Math workout brain puzzle or Standard Notation Calculator?

Math workout brain puzzle ships an update every 31 months, and Standard Notation Calculator every 9 months. Most recently, Math workout brain puzzle was updated on September 26, 2026 and Standard Notation Calculator on September 13, 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.*