# Write Arabic Alphabet vs f(x) Calc

The clearest difference is price: f(x) Calc at Free against Write Arabic Alphabet's $3.99. f(x) Calc also leads on update cadence (every 10 days vs every 5 weeks). Write Arabic Alphabet's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

f(x) Calc is free to download; Write Arabic Alphabet costs $3.99 up front. f(x) Calc sells 1 one-off in-app purchase. Write Arabic Alphabet asks for nothing beyond the download.

Write Arabic Alphabet ships an update every 5 weeks, f(x) Calc every 10 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Write Arabic Alphabet | f(x) Calc |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fx-calc/id6760609257/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 43 MB | 5 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jelmer van Nuss](https://appshunter.io/developer/1880809991) | [David Russell](https://appshunter.io/developer/1104864276) |

## What reviewers say

### Write Arabic Alphabet

[App page](https://appshunter.io/ios/app/write-arabic-alphabet/id6759831436)

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

**In-app purchases:** none


### f(x) Calc

[App page](https://appshunter.io/ios/app/fx-calc/id6760609257)

A full-featured scientific calculator designed for math and science students. It offers natural math entry and includes built-in examples to aid learning. A simplified Junior mode is available for everyday use.

**Highlights:** Natural Maths entry, Built-in learning examples, Junior mode for everyday use, Ideal for math and science study, Full-featured scientific calculator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | Free | one-time |


## Frequently asked questions

### Is Write Arabic Alphabet free?

Write Arabic Alphabet costs $3.99, with no in-app purchases.

### Is f(x) Calc free?

f(x) Calc is free to download, with in-app purchases available.

### Do Write Arabic Alphabet or f(x) Calc have ads?

Neither Write Arabic Alphabet nor f(x) Calc shows ads.

### Which is updated more often, Write Arabic Alphabet or f(x) Calc?

Write Arabic Alphabet ships an update every 5 weeks, and f(x) Calc every 10 days. Most recently, Write Arabic Alphabet was updated on October 28, 2026 and f(x) Calc on October 31, 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.*