# Scientific math Calculator vs E6B Pilot Flight Computer

The clearest difference is price: E6B Pilot Flight Computer at Free against Scientific math Calculator's $0.99. E6B Pilot Flight Computer also leads on update cadence (every 9 days vs every 3 months). Scientific math Calculator's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

E6B Pilot Flight Computer is free to download; Scientific math Calculator costs $0.99 up front. E6B Pilot Flight Computer sells 1 one-off in-app purchase. Scientific math Calculator asks for nothing beyond the download.

Scientific math Calculator ships an update every 3 months, E6B Pilot Flight Computer every 9 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Scientific math Calculator | E6B Pilot Flight Computer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 5 MB | 2 MB |
| Requires iOS | 18.4 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [贺 周](https://appshunter.io/developer/1815397078) | [光 杨](https://appshunter.io/developer/1891134953) |

## What reviewers say

### Scientific math Calculator

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

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

**In-app purchases:** none


### E6B Pilot Flight Computer

[App page](https://appshunter.io/ios/app/e6b-pilot-flight-computer/id6765578661)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Nav-Log Cards | $7.99 | one-time |


## Frequently asked questions

### Is Scientific math Calculator free?

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

### Is E6B Pilot Flight Computer free?

E6B Pilot Flight Computer is free to download, with in-app purchases available.

### Do Scientific math Calculator or E6B Pilot Flight Computer have ads?

Neither Scientific math Calculator nor E6B Pilot Flight Computer shows ads.

### Which is updated more often, Scientific math Calculator or E6B Pilot Flight Computer?

Scientific math Calculator ships an update every 3 months, and E6B Pilot Flight Computer every 9 days. Most recently, Scientific math Calculator was updated on November 5, 2026 and E6B Pilot Flight Computer on November 9, 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.*