# Mobile SOS vs LaTeX OCR

The clearest difference is in-app purchases: Mobile SOS at none against LaTeX OCR's 2. LaTeX OCR's advantage is update cadence (weekly vs every 44 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Mobile SOS ships an update every 44 months, LaTeX OCR weekly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Mobile SOS | LaTeX OCR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Weekly** |
| Size | 36 MB | 69 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SOS, Inc.](https://appshunter.io/developer/1658400757) | [Luis Andres Velasquez Cedeno](https://appshunter.io/developer/1780611825) |

## What reviewers say

### Mobile SOS

[App page](https://appshunter.io/ios/app/mobile-sos/id1658400755)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Mobile SOS free?

Mobile SOS is free to download, with no in-app purchases.

### Is LaTeX OCR free?

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

### Do Mobile SOS or LaTeX OCR have ads?

Neither Mobile SOS nor LaTeX OCR shows ads.

### Which is updated more often, Mobile SOS or LaTeX OCR?

Mobile SOS ships an update every 44 months, and LaTeX OCR weekly. Most recently, Mobile SOS was updated on October 25, 2026 and LaTeX OCR on October 27, 2026.

---

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