# 生日本 vs ScanScan(白描)

The clearest difference is rating: ScanScan(白描) at 4.8 against 生日本's 4.1. ScanScan(白描) also leads on review sentiment (87% vs 58%) and update cadence (every 2 months vs every 7 months). 生日本's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 生日本 sells 3 one-off in-app purchases and ScanScan(白描) sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScanScan(白描) holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: ScanScan(白描) has 349 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 58% of 生日本's written reviews are positive against 87% of ScanScan(白描)'s.

生日本 ships an update every 7 months, ScanScan(白描) every 2 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | 生日本 | ScanScan(白描) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (17 ratings)](https://appshunter.io/ios/app/by-days-matter/id563163938/reviews) | **[4.8 (349 ratings)](https://appshunter.io/ios/app/scanscan-ocr-text-scanner/id1249901692/reviews)** |
| Number of ratings | 17 | **349** |
| Positive reviews | 57.9% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 47 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [新乐 陶](https://appshunter.io/developer/826439308) |

## What reviewers say

### 生日本

[App page](https://appshunter.io/ios/app/by-days-matter/id563163938)

This app helps you remember important dates like birthdays for family and friends. It offers various sorting options, including by zodiac sign, Chinese zodiac, days lived, and countdowns. It also supports Lunar calendar dates and provides timely reminders.

**Highlights:** Birthday contact management, Advanced sorting (zodiac, countdown), Lunar calendar support, Birthday countdowns, Today in history feature, Notification center widget, Import from contacts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 咖啡 | $2.99 | one-time |
| 银币 | $5.99 | one-time |
| 金币 | $14.99 | one-time |


### 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 |


## Frequently asked questions

### Is 生日本 free?

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

### Is ScanScan(白描) free?

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

### Which has better reviews, 生日本 or ScanScan(白描)?

ScanScan(白描) is rated higher. 生日本 averages 4.1 out of 5 from 17 ratings, while ScanScan(白描) averages 4.8 from 349 ratings.

### Do 生日本 or ScanScan(白描) have ads?

Neither 生日本 nor ScanScan(白描) shows ads.

### Which is updated more often, 生日本 or ScanScan(白描)?

生日本 ships an update every 7 months, and ScanScan(白描) every 2 months. Most recently, 生日本 was updated on November 6, 2026 and ScanScan(白描) on November 6, 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.*