# 大同公交 vs Pudding Scan

The clearest difference is rating: Pudding Scan at 4.9 against 大同公交's 3.2. Pudding Scan also leads on ratings volume (210 vs 5) and device support. 大同公交's advantage is in-app purchases (none vs 11). On price there is nothing between them.

Both are free to download. Pudding Scan sells 11 in-app purchases, starting at $0.99 per month. 大同公交 asks for nothing beyond the download.

Pudding Scan holds the better App Store score, 4.9 against 3.2. That said, the two scores are not equally well evidenced: Pudding Scan has 210 ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | 大同公交 | Pudding Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/id1489265960/reviews) | **[4.9 (210 ratings)](https://appshunter.io/ios/app/pudding-scan/id1626815079/reviews)** |
| Number of ratings | 5 | **210** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Subscription |
| Size | 70 MB | 146 MB |
| Requires iOS | 15.0 | **13** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing CIC Technology Co., Ltd](https://appshunter.io/developer/675088114) | [广东天宸网络科技有限公司](https://appshunter.io/developer/1716282065) |

## What reviewers say

### 大同公交

[App page](https://appshunter.io/ios/app/id1489265960)

**In-app purchases:** none


### Pudding Scan

[App page](https://appshunter.io/ios/app/pudding-scan/id1626815079)

Transform paper documents into high-quality PDF files with a single tap. This ad-free scanner offers batch text extraction, translation, and automatic correction for various use cases, from students to teachers and personal learning.

**Highlights:** Scan paper documents to PDF, Batch image text extraction, Text translation, Automatic document correction, Accurate edge trimming, Multiple filter enhancements

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto-renewal monthly plan | $0.99 | per month |
| Auto-renewal monthly plan | $0.99 | per month |
| Monthly Subscription | $3.99 | per month |
| Monthly Subscription | $3.99 | per month |
| Annual Subscription | $9.99 | per year |
| Annual Subscription | $31.99 | per year |
| Annual Subscription | $31.99 | per year |
| 1-month membership | $1.99 | one-time |
| 布丁扫描会员(一年会员优惠) | $9.99 | one-time |
| 布丁扫描会员(一年会员) | $14.99 | one-time |
| Lifetime membership | $29.99 | one-time |

**What reviewers like**

- ✨ Clean and simple interface
- 🆓 Free to use
- 🚫 No annoying ads
- 💯 High-quality scans
- 🗂️ Powerful PDF conversion

**What reviewers complain about**

- 💰 Transitioning to paid features
- 💸 High perceived cost for features
- 📉 Declining user experience with updates
- 🚶‍♂️ WeChat login redirect issue
- 🤏 Limited close-up focus

**Reported bugs**

- WeChat login redirects to phone login
- App crashes or shows black screen on iPhone 13 Pro Max with iOS 17.0
- App shows 'loading' and won't open after update
- App crashes on iOS 13.3.1
- Test paper erasure only allows selecting one image

**Requested features**

- Improve filter functionality
- Add finger removal feature
- Enhance auto-scan capabilities
- Improve PDF to image processing
- Add multiple document combinations for ID scanning


## Frequently asked questions

### Is 大同公交 free?

大同公交 is free to download, with no in-app purchases.

### Is Pudding Scan free?

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

### Which has better reviews, 大同公交 or Pudding Scan?

Pudding Scan is rated higher. 大同公交 averages 3.2 out of 5 from 5 ratings, while Pudding Scan averages 4.9 from 210 ratings.

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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.*