# xFormula vs CLRS.Helper[Lite]

The clearest difference is in-app purchases: CLRS.Helper[Lite] at none against xFormula's 4. xFormula's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. xFormula sells 4 in-app purchases, starting at $1.99 per month. CLRS.Helper[Lite] asks for nothing beyond the download.

xFormula ships an update every 3 weeks, CLRS.Helper[Lite] every 3 months. The most recent releases landed on September 24, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | xFormula | CLRS.Helper[Lite] |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (55 ratings)](https://appshunter.io/ios/app/xformula-equation-editor/id1477136751/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 84.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 27 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [煦 张](https://appshunter.io/developer/494537607) | [巍 顾](https://appshunter.io/developer/1368599824) |

## 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 |


### CLRS.Helper[Lite]

[App page](https://appshunter.io/ios/app/clrshelperlite/id1566475953)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is xFormula free?

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

### Is CLRS.Helper[Lite] free?

CLRS.Helper[Lite] is free to download, with no in-app purchases.

### Do xFormula or CLRS.Helper[Lite] have ads?

Neither xFormula nor CLRS.Helper[Lite] shows ads.

### Which is updated more often, xFormula or CLRS.Helper[Lite]?

xFormula ships an update every 3 weeks, and CLRS.Helper[Lite] every 3 months. Most recently, xFormula was updated on September 24, 2026 and CLRS.Helper[Lite] on June 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.*