# Motion Catch vs 电子证件

The clearest difference is monetization model: 电子证件 at free against Motion Catch's free with in-app purchases. 电子证件 also leads on review sentiment (65% vs 50%) and iOS requirement (15.6 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Motion Catch sells 1 one-off in-app purchase and 电子证件 sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Motion Catch ships an update every 4 days, 电子证件 every 5 days. The most recent releases landed on August 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Motion Catch | 电子证件 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (15 ratings)](https://appshunter.io/ios/app/id6502454834/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 50.0% of reviews | **65.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 10 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Teeraya Intajuk](https://appshunter.io/developer/1468450889) | [观艳 谭](https://appshunter.io/developer/1745017384) |

## What reviewers say

### Motion Catch

[App page](https://appshunter.io/ios/app/motion-catch/id6477761978)

Automatically capture Live Photos when motion is detected in a selected area. Choose from various detection modes like cars, birds, lightning, or meteors to save dynamic moments. The app saves a Live Photo showing the moments just before and after the motion event.

**Highlights:** Motion-triggered Live Photo capture, Selectable motion detection area, Multiple detection modes (Car, Birds, Lightning, Meteor), Saves moments before and after motion, Simple, user-friendly interface

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited photos | $9.99 | one-time |


### 电子证件

[App page](https://appshunter.io/ios/app/id6502454834)

Manage your personal identification documents with ease. This app allows you to store and view your IDs anytime, anywhere. It also features a tool to create professional-looking ID photos yourself, eliminating the need for a photo studio.

**Highlights:** Personal ID management, One-click ID photo creation, Support for multiple photo sizes, Batch Exif data cleanup, Batch GPS location modification, Latitude and longitude search

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $2.99 | per 7 days |
| 月会员 | $6.99 | per month |
| 年会员 | $14.99 | per year |
| 永久会员 | Free | one-time |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is Motion Catch free?

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

### Is 电子证件 free?

电子证件 is free to download, with in-app purchases available.

### Do Motion Catch or 电子证件 have ads?

Neither Motion Catch nor 电子证件 shows ads.

### Which is updated more often, Motion Catch or 电子证件?

Motion Catch ships an update every 4 days, and 电子证件 every 5 days. Most recently, Motion Catch was updated on August 14, 2026 and 电子证件 on September 23, 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.*