# ProGraph Calculator vs Scientific math Calculator

The clearest difference is price: ProGraph Calculator at Free against Scientific math Calculator's $0.99. ProGraph Calculator also leads on iOS requirement (16.0 vs 18.4). On update cadence, ads, in-app purchases and device support there is nothing between them.

ProGraph Calculator is free to download; Scientific math Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ProGraph Calculator | Scientific math Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 1 MB | 5 MB |
| Requires iOS | **16.0** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Michael Pingleton](https://appshunter.io/developer/1584719976) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### ProGraph Calculator

[App page](https://appshunter.io/ios/app/prograph-calculator/id1629338359)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scientific math Calculator

[App page](https://appshunter.io/ios/app/scientific-math-calculator/id6759213986)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProGraph Calculator free?

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

### Is Scientific math Calculator free?

Scientific math Calculator costs $0.99, with no in-app purchases.

### Do ProGraph Calculator or Scientific math Calculator have ads?

Neither ProGraph Calculator nor Scientific math Calculator shows ads.

### Which is updated more often, ProGraph Calculator or Scientific math Calculator?

ProGraph Calculator ships an update every 3 months, and Scientific math Calculator every 3 months. Most recently, ProGraph Calculator was updated on October 5, 2026 and Scientific math Calculator on October 11, 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.*