# 百度 vs 证件照换底色

The clearest difference is update cadence: 百度 at weekly against 证件照换底色's every 2 months. 百度 also leads on ratings volume (31K vs 6). 证件照换底色's advantage is rating (4.8 vs 4.5) and iOS requirement (13 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. 百度 sells 12 in-app purchases, starting at $1.99 per month and 证件照换底色 sells 4 in-app purchases, starting at $0.99 per 3 months. Whichever you choose, the download price is not the number that matters.

证件照换底色 holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: 百度 has 31K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 43% of 百度's written reviews are positive against 50% of 证件照换底色's.

百度 ships an update weekly, 证件照换底色 every 2 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 百度 | 证件照换底色 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (31K ratings)](https://appshunter.io/ios/app/ai/id382201985/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/id1478915162/reviews)** |
| Number of ratings | **31K** | 6 |
| Positive reviews | 43.3% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 437 MB | 28 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Baidu Netcom Science & Technology Co.,Ltd](https://appshunter.io/developer/372585298) | [明娜 乔](https://appshunter.io/developer/1464291199) |

## What reviewers say

### 百度

[App page](https://appshunter.io/ios/app/ai/id382201985)

This app offers a powerful AI-driven search engine with multi-modal capabilities, including image recognition and voice commands. It also provides access to news, videos, novels, and short dramas, enhanced by AI assistance for various tasks like problem-solving and content creation.

**Highlights:** AI-powered multi-modal search, Personalized news and video feed, AI assistant for problem-solving, AI image and video generation, Voice recognition with dialect support, Extensive library of novels and short dramas

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 度会员（连续包月） | $1.99 | per month |
| 3元虚拟货币 | $0.99 | one-time |
| 小说600书豆 | $0.99 | one-time |
| 小说800书豆 | $0.99 | one-time |
| 12元虚拟货币 | $1.99 | one-time |
| 小说会员（1个月） | $2.99 | one-time |
| 小说1800书豆 | $2.99 | one-time |
| 30元虚拟货币 | $3.99 | one-time |
| 小说3000书豆 | $3.99 | one-time |
| 50元虚拟货币 | $6.99 | one-time |
| 小说9800书豆 | $14.99 | one-time |
| 108元虚拟货币 | $14.99 | one-time |

**What reviewers like**

- 💻 Vast topics and different perspectives
- 🔍 Useful for searching and learning
- 🤝 Convenient for bloggers to interact with readers

**What reviewers complain about**

- 🗑️ Excessive ads and low-quality content
- 🔀 Forced app downloads and redirections
- 🔒 Lack of support for international users
- 🤖 Aggressive and intrusive behavior
- 📱 Unstable app performance and frequent crashes

**Reported bugs**

- Disappearing videos and content
- Inability to change language or account settings
- Compatibility issues with older devices and browsers

**Requested features**

- Improve search relevance and quality of results
- Provide better content filtering and customization options
- Offer multilingual support and localization
- Enhance user privacy and data protection


### 证件照换底色

[App page](https://appshunter.io/ios/app/id1478915162)

Easily create professional ID photos in seconds with AI-powered background and attire changes. Protect your images with watermarks and enjoy secure cloud storage for all your past photos.

**Highlights:** AI intelligent background removal, Hundreds of professional outfit templates, Customizable background colors, Text watermark for privacy, Cloud storage for historical files, Undo/redo functionality

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 季度会员：畅享全部权益 | $0.99 | per 3 months |
| Remove ads permanently | $0.99 | one-time |
| One-time ID photo download | $0.99 | one-time |
| Unlock all functions | $4.99 | one-time |


## Frequently asked questions

### Is 百度 free?

百度 is free to download, with in-app purchases available.

### Is 证件照换底色 free?

证件照换底色 is free to download, with in-app purchases available.

### Which has better reviews, 百度 or 证件照换底色?

证件照换底色 is rated higher. 百度 averages 4.5 out of 5 from 31K ratings, while 证件照换底色 averages 4.8 from 6 ratings.

### Do 百度 or 证件照换底色 have ads?

Both 百度 and 证件照换底色 show ads.

### Which is updated more often, 百度 or 证件照换底色?

百度 ships an update weekly, and 证件照换底色 every 2 months. Most recently, 百度 was updated on November 1, 2026 and 证件照换底色 on October 26, 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.*