# Haven Software vs Scientific Calculator fx

The clearest difference is in-app purchases: Haven Software at none against Scientific Calculator fx's 3. Haven Software also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scientific Calculator fx sells 3 in-app purchases, starting at $2.99 per 7 days. Haven Software asks for nothing beyond the download.

Haven Software ships an update daily, Scientific Calculator fx every 2 days. The most recent releases landed on September 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Haven Software | Scientific Calculator fx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.1 (7 ratings)](https://appshunter.io/ios/app/scientific-calculator-fx-991ex/id6760968561/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | — | Free |
| Size | 41 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Cross](https://appshunter.io/developer/1691060093) | [Omer Duman](https://appshunter.io/developer/1728850245) |

## What reviewers say

### Haven Software

[App page](https://appshunter.io/ios/app/haven-software/id6449934429)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scientific Calculator fx

[App page](https://appshunter.io/ios/app/scientific-calculator-fx-991ex/id6760968561)

This academic calculator displays mathematical expressions in natural textbook format, including fractions and roots. It provides exact form results and supports complex numbers, trigonometry, and advanced math functions. Store values in variables and access calculation history.

**Highlights:** Natural textbook display, Exact form results (fractions, roots, pi), Full complex number support, Complete trigonometry functions, 40 scientific constants, Calculation history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Haven Software free?

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

### Is Scientific Calculator fx free?

Scientific Calculator fx is free to download, with in-app purchases available.

### Do Haven Software or Scientific Calculator fx have ads?

Neither Haven Software nor Scientific Calculator fx shows ads.

### Which is updated more often, Haven Software or Scientific Calculator fx?

Haven Software ships an update daily, and Scientific Calculator fx every 2 days. Most recently, Haven Software was updated on September 13, 2026 and Scientific Calculator fx on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*