# 证件照换底色 vs 短信拦截器

The clearest difference is update cadence: 证件照换底色 at every 2 months against 短信拦截器's every 5 months. 证件照换底色 also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 证件照换底色 sells 4 in-app purchases, starting at $0.99 per 3 months and 短信拦截器 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

证件照换底色 ships an update every 2 months, 短信拦截器 every 5 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 证件照换底色 | 短信拦截器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/id1478915162/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 25 MB |
| Requires iOS | 13 | **12.1** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [明娜 乔](https://appshunter.io/developer/1464291199) | [中和堂文化传播有限公司](https://appshunter.io/developer/1455830560) |

## What reviewers say

### 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 |


### 短信拦截器

[App page](https://appshunter.io/ios/app/id6473449084)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版本 | $1.99 | one-time |


## Frequently asked questions

### Is 证件照换底色 free?

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

### Is 短信拦截器 free?

短信拦截器 is free to download, with in-app purchases available.

### Which is updated more often, 证件照换底色 or 短信拦截器?

证件照换底色 ships an update every 2 months, and 短信拦截器 every 5 months. Most recently, 证件照换底色 was updated on November 3, 2026 and 短信拦截器 on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*