# LMChat vs PureScan

The clearest difference is ads: PureScan at none against LMChat's shown. PureScan also leads on update cadence (every 3 weeks vs every 4 months). LMChat's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LMChat ships an update every 4 months, PureScan every 3 weeks. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | LMChat | PureScan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GUOMING YAN](https://appshunter.io/developer/1818313860) | [Anwa Leo](https://appshunter.io/developer/548912964) |

## What reviewers say

### LMChat

[App page](https://appshunter.io/ios/app/lmchat-llm/id6759361605)

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

**In-app purchases:** none


### PureScan

[App page](https://appshunter.io/ios/app/purescan-pdf-document-scanner/id6789188388)

This app is a privacy-focused document scanner that performs all operations locally on your device. It offers on-device OCR for full-text search and creates searchable PDFs without requiring an account or internet access.

**Highlights:** 100% On-Device Scanning, Instant Full-Text Search, Searchable PDF Export, Smart Capture & Perspective Crop, On-Device PDF Password Protection, Multi-Language OCR

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

**In-app purchases:** none


## Frequently asked questions

### Is LMChat free?

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

### Is PureScan free?

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

### Do LMChat or PureScan have ads?

LMChat shows ads; PureScan does not.

### Which is updated more often, LMChat or PureScan?

LMChat ships an update every 4 months, and PureScan every 3 weeks. Most recently, LMChat was updated on October 17, 2026 and PureScan on October 10, 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.*