# ScanScan(白描) vs TDS云智慧系统

The clearest difference is in-app purchases: TDS云智慧系统 at none against ScanScan(白描)'s 5. TDS云智慧系统 also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (12.0 vs 15.0). ScanScan(白描)'s advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. ScanScan(白描) sells 5 one-off in-app purchases. TDS云智慧系统 asks for nothing beyond the download.

ScanScan(白描) ships an update every 2 months, TDS云智慧系统 every 2 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ScanScan(白描) | TDS云智慧系统 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (349 ratings)](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692/reviews)** | — |
| Number of ratings | **349** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 4 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [新乐 陶](https://appshunter.io/developer/826439308) | [Jiangsu Modern Electric Technology Co., Ltd.](https://appshunter.io/developer/905150679) |

## What reviewers say

### ScanScan(白描)

[App page](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692)

This app uses advanced machine learning to accurately extract editable text from images and documents. It can also scan and convert documents into clear PDF files, with support for batch processing and multiple languages.

**Highlights:** Machine learning for accurate OCR, Edit and export OCR results (.txt, .docx), Multi-language text recognition, Scan documents to image/PDF, PDF to image conversion, Batch processing (OCR, color filter), Multi-language translation

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Provide food for cat | $2.99 | one-time |
| 普通会员(永久) | $3.99 | one-time |
| 普通会员(优惠) | $3.99 | one-time |
| 黄金会员(优惠) | $3.99 | one-time |
| Senior VIP (Permanent) | $5.99 | one-time |


### TDS云智慧系统

[App page](https://appshunter.io/ios/app/tds/id1591197029)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScanScan(白描) free?

ScanScan(白描) is free to download, with in-app purchases available.

### Is TDS云智慧系统 free?

TDS云智慧系统 is free to download, with no in-app purchases.

### Do ScanScan(白描) or TDS云智慧系统 have ads?

Neither ScanScan(白描) nor TDS云智慧系统 shows ads.

### Which is updated more often, ScanScan(白描) or TDS云智慧系统?

ScanScan(白描) ships an update every 2 months, and TDS云智慧系统 every 2 weeks. Most recently, ScanScan(白描) was updated on October 24, 2026 and TDS云智慧系统 on October 17, 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.*