# Document Scanner vs TANGRAM IoT 3.0

The clearest difference is in-app purchases: TANGRAM IoT 3.0 at none against Document Scanner's 6. TANGRAM IoT 3.0 also leads on update cadence (every 3 weeks vs every 2 months). Document Scanner's advantage is iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Document Scanner sells 6 in-app purchases, starting at $4.99 per month. TANGRAM IoT 3.0 asks for nothing beyond the download.

Document Scanner ships an update every 2 months, TANGRAM IoT 3.0 every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Document Scanner | TANGRAM IoT 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/document-scannerpdf-and-ocr-scan/id1589948695/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 51 MB | 56 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [palmmob](https://appshunter.io/developer/1370245851) | [TANGRAM Company Limited.](https://appshunter.io/developer/1480182974) |

## What reviewers say

### Document Scanner

[App page](https://appshunter.io/ios/app/document-scannerpdf-and-ocr-scan/id1589948695)

This app transforms your mobile device into a powerful scanner. It can digitize documents, extract text using OCR, convert files to various formats, and even restore old photos. Manage and share your scanned files with ease.

**Highlights:** Scan documents, receipts, and books, Extract text from images and PDFs (OCR), Convert documents to PDF, JPG, TXT, DOCX, Restore and colorize old photos, Convert images directly to Excel spreadsheets, Recognize handwriting to text, File management with folders and sharing

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| scanner Premium Monthly | $4.99 | per month |
| scanner Premium quarterly | $9.99 | per 3 months |
| Scanner Premium quarterly | $9.99 | per 6 months |
| scanner Premium Yearly | $14.99 | per year |
| scanner Premium Yearly | $14.99 | per year |
| Scanner Premium Yearly | $29.99 | per year |


### TANGRAM IoT 3.0

[App page](https://appshunter.io/ios/app/tangram-iot-30/id6680157666)

**In-app purchases:** none


## Frequently asked questions

### Is Document Scanner free?

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

### Is TANGRAM IoT 3.0 free?

TANGRAM IoT 3.0 is free to download, with no in-app purchases.

### Do Document Scanner or TANGRAM IoT 3.0 have ads?

Neither Document Scanner nor TANGRAM IoT 3.0 shows ads.

### Which is updated more often, Document Scanner or TANGRAM IoT 3.0?

Document Scanner ships an update every 2 months, and TANGRAM IoT 3.0 every 3 weeks. Most recently, Document Scanner was updated on October 24, 2026 and TANGRAM IoT 3.0 on October 24, 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.*