# LaTeX OCR vs Function Fitter

The clearest difference is in-app purchases: Function Fitter at none against LaTeX OCR's 2. LaTeX OCR's advantage is update cadence (weekly vs monthly) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. LaTeX OCR sells 2 in-app purchases, starting at $3.99 per 7 days. Function Fitter asks for nothing beyond the download.

LaTeX OCR ships an update weekly, Function Fitter monthly. The most recent releases landed on October 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | LaTeX OCR | Function Fitter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 69 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luis Andres Velasquez Cedeno](https://appshunter.io/developer/1780611825) | [29Apps LLC](https://appshunter.io/developer/1817021563) |

## What reviewers say

### LaTeX OCR

[App page](https://appshunter.io/ios/app/latex-ocr/id6738396043)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $9.99 | per month |


### Function Fitter

[App page](https://appshunter.io/ios/app/function-fitter/id6748284369)

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

**In-app purchases:** none


## Frequently asked questions

### Is LaTeX OCR free?

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

### Is Function Fitter free?

Function Fitter is free to download, with no in-app purchases.

### Do LaTeX OCR or Function Fitter have ads?

Neither LaTeX OCR nor Function Fitter shows ads.

### Which is updated more often, LaTeX OCR or Function Fitter?

LaTeX OCR ships an update weekly, and Function Fitter monthly. Most recently, LaTeX OCR was updated on October 4, 2026 and Function Fitter on September 25, 2026.

---

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