# Scanner vs 判別式電卓

The clearest difference is price: Scanner at Free against 判別式電卓's $0.49. 判別式電卓's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Scanner is free to download; 判別式電卓 costs $0.49 up front. Scanner sells 10 in-app purchases, starting at $0.99 per 7 days. 判別式電卓 asks for nothing beyond the download.

## The numbers

| Metric | Scanner | 判別式電卓 |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.8 (2.3K ratings)](https://appshunter.io/ios/app/scanner-document-scan-app/id1386975827/reviews)** | — |
| Number of ratings | **2.3K** | — |
| Positive reviews | 90.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 27 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [阳杰 刘](https://appshunter.io/developer/1494247048) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Scanner

[App page](https://appshunter.io/ios/app/scanner-document-scan-app/id1386975827)

This app offers powerful document scanning with advanced image recognition for text extraction and translation. Easily create PDFs, scan IDs, and manage files efficiently for work or study.

**Highlights:** Fast document scanning, Automatic edge detection and cropping, Perspective correction, High-precision OCR text recognition, PDF file generation, Photo translation, ID scanning

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Consecutive weekly | $0.99 | per 7 days |
| Consecutive monthly | $2.99 | per month |
| Consecutive monthly | $3.99 | per month |
| Consecutive quarter | $7.99 | per 3 months |
| Continuous package year | $14.99 | per year |
| Consecutive year | $25.49 | per year |
| QNScanner+Consecutive year pro | $30.99 | per year |
| 月度VIP | $4.99 | one-time |
| 2 years VIP | $19.99 | one-time |
| 终身VIP | $29.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast scanning and text extraction
- 💰 Free to use
- 🌟 Great overall performance

**What reviewers complain about**

- 🔒 Concerns about privacy and security
- 💰 Locked features behind paywall
- 🐛 Reliability issues, app crashes or doesn't work
- 🤖 Poor OCR accuracy, especially for Chinese text

**Reported bugs**

- Unable to scan documents properly
- Charged for premium features without consent

**Requested features**

- Automatic image cropping
- Integration with more cloud storage/email services
- Improved OCR accuracy for different languages


### 判別式電卓

[App page](https://appshunter.io/ios/app/large-d/id6502815209)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scanner free?

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

### Is 判別式電卓 free?

判別式電卓 costs $0.49, with no in-app purchases.

### Do Scanner or 判別式電卓 have ads?

Scanner shows ads; 判別式電卓 does not.

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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.*