# LECO Cornerstone vs Document Scanner Pro

The clearest difference is in-app purchases: LECO Cornerstone at none against Document Scanner Pro's 1. LECO Cornerstone also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (8.0 vs 10.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Document Scanner Pro sells 1 one-off in-app purchase. LECO Cornerstone asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LECO Cornerstone against 4.9 for Document Scanner Pro. Both are backed by a comparable volume of ratings — 5 and 10 respectively.

LECO Cornerstone ships an update every 5 weeks, Document Scanner Pro every 6 months. The most recent releases landed on June 8, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | LECO Cornerstone | Document Scanner Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/leco-cornerstone/id546739092/reviews)** | [4.9 (10 ratings)](https://appshunter.io/ios/app/document-scanner-pro-ocr/id1451424880/reviews) |
| Number of ratings | 5 | **10** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 59 MB | 68 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LECO Corporation](https://appshunter.io/developer/546739095) | [Nihat Basmacı](https://appshunter.io/developer/1231971218) |

## What reviewers say

### LECO Cornerstone

[App page](https://appshunter.io/ios/app/leco-cornerstone/id546739092)

Monitor your LECO instrument's status and results remotely from your device. View data, check maintenance, and receive vital updates on analysis completion and system information.

**Highlights:** Remote instrument status monitoring, View set and replicate results, Data visualization on plots, Check maintenance status, Access methods and details, Receive vital message updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Document Scanner Pro

[App page](https://appshunter.io/ios/app/document-scanner-pro-ocr/id1451424880)

Capture documents with your camera and convert them into editable text. Translate scanned text into different languages. Share your scanned documents via email.

**Highlights:** Camera scanning, Text recognition (OCR), Text translation, Email sharing, PDF conversion

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is LECO Cornerstone free?

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

### Is Document Scanner Pro free?

Document Scanner Pro is free to download, with in-app purchases available.

### Which has better reviews, LECO Cornerstone or Document Scanner Pro?

LECO Cornerstone is rated higher. LECO Cornerstone averages 5.0 out of 5 from 5 ratings, while Document Scanner Pro averages 4.9 from 10 ratings.

### Do LECO Cornerstone or Document Scanner Pro have ads?

Neither LECO Cornerstone nor Document Scanner Pro shows ads.

### Which is updated more often, LECO Cornerstone or Document Scanner Pro?

LECO Cornerstone ships an update every 5 weeks, and Document Scanner Pro every 6 months. Most recently, LECO Cornerstone was updated on June 8, 2026 and Document Scanner Pro on September 8, 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.*