# xFormula vs Fast SAT Gold

The clearest difference is price: xFormula at Free against Fast SAT Gold's $4.99. Fast SAT Gold's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 16.1). On ads and device support there is nothing between them.

xFormula is free to download; Fast SAT Gold costs $4.99 up front. xFormula sells 4 in-app purchases, starting at $1.99 per month. Fast SAT Gold asks for nothing beyond the download.

## The numbers

| Metric | xFormula | Fast SAT Gold |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.9 (55 ratings)](https://appshunter.io/ios/app/xformula-equation-editor/id1477136751/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 84.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 29 MB |
| Requires iOS | 16.1 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [煦 张](https://appshunter.io/developer/494537607) | [Mousheng Xu](https://appshunter.io/developer/1111034505) |

## What reviewers say

### xFormula

[App page](https://appshunter.io/ios/app/xformula-equation-editor/id1477136751)

Create and edit mathematical equations with a visual interface. Export your work as images, LaTeX, MathML, or UnicodeMath for use in documents and presentations. Features include image recognition, formula libraries, and custom keyboards.

**Highlights:** Visual equation editing, Export to image, LaTeX, MathML, UnicodeMath, Image recognition for formulas, Organized formula libraries, Customizable keyboard for symbols, Keyboard extension for other apps

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 1 Month (Auto-Renewable) | $1.99 | per month |
| Advanced (Lifetime) | $9.99 | one-time |
| Basic (Lifetime) | $11.99 | one-time |
| Pro (Lifetime) | $18.99 | one-time |


### Fast SAT Gold

[App page](https://appshunter.io/ios/app/fast-sat-gold/id1621784730)

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

**In-app purchases:** none


## Frequently asked questions

### Is xFormula free?

xFormula is free to download, with in-app purchases available.

### Is Fast SAT Gold free?

Fast SAT Gold costs $4.99, with no in-app purchases.

### Do xFormula or Fast SAT Gold have ads?

Neither xFormula nor Fast SAT Gold shows ads.

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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.*