# YI Action vs iSmart DV2

The clearest difference is rating: iSmart DV2 at 4.3 against YI Action's 1.8. iSmart DV2 also leads on review sentiment (24% vs 9%). YI Action's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iSmart DV2 holds the better App Store score, 4.3 against 1.8. Both are backed by a comparable volume of ratings — 442 and 750 respectively. Written reviews point the same way: 9% of YI Action's written reviews are positive against 24% of iSmart DV2's.

YI Action ships an update every 3 weeks, iSmart DV2 monthly. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | YI Action | iSmart DV2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (442 ratings)](https://appshunter.io/ios/app/yi-action/id963065779/reviews) | **[4.3 (750 ratings)](https://appshunter.io/ios/app/ismart-dv2/id1534659856/reviews)** |
| Number of ratings | 442 | **750** |
| Positive reviews | 9.5% of reviews | **24.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 170 MB | 63 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Xiaoyi Technology Co., Ltd.](https://appshunter.io/developer/1011626776) | [iCatch Technology Inc.,](https://appshunter.io/developer/785138891) |

## What reviewers say

### YI Action

[App page](https://appshunter.io/ios/app/yi-action/id963065779)

Capture and edit high-quality action footage with advanced camera features.  Offers manual controls, multiple shooting modes, and easy social sharing.  Enhance your videos with effects and filters for a professional touch.

**Highlights:** 4K video recording, Electronic Image Stabilization (EIS), Manual camera settings (shutter, ISO, EV, WB), Multiple video and photo modes, Video editing with effects and filters, Easy social sharing, Wide-angle lens

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Able to connect and download video
- 👍 Good camera quality

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 App crashes
- 🐛 Ads and performance issues
- 🐛 App no longer supported

**Reported bugs**

- App crashes on launch
- Unable to connect to camera
- Compatibility issues with iOS 13 and above

**Requested features**

- Update app to fix connectivity and crashes
- Improve app stability and performance
- Add support for newer iOS versions


### iSmart DV2

[App page](https://appshunter.io/ios/app/ismart-dv2/id1534659856)

Control your iCatch Single Board Camera remotely. Stream live video, capture photos and videos, and manage camera settings. Download and share your media easily.

**Highlights:** Live streaming preview, Trigger photo and video capture, Burst shot and delay capture, Adjust video quality and image size, Manage camera settings (white balance, SSID), Format SD card and manage files, Playback and download media

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Good camera quality
- 💡 Useful features

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 Camera turns off unexpectedly
- 🐛 Unable to read SD card
- 🐛 App crashes or freezes
- 🔋 High battery consumption

**Reported bugs**

- Camera disconnects from app
- Unable to download media files
- Compatibility issues with certain devices

**Requested features**

- Improve WiFi connectivity
- Add more camera settings and controls
- Allow direct photo/video transfer to mobile device
- Enhance user interface and navigation


## Frequently asked questions

### Is YI Action free?

YI Action is free to download, with no in-app purchases.

### Is iSmart DV2 free?

iSmart DV2 is free to download, with no in-app purchases.

### Which has better reviews, YI Action or iSmart DV2?

iSmart DV2 is rated higher. YI Action averages 1.8 out of 5 from 442 ratings, while iSmart DV2 averages 4.3 from 750 ratings.

### Do YI Action or iSmart DV2 have ads?

Neither YI Action nor iSmart DV2 shows ads.

### Which is updated more often, YI Action or iSmart DV2?

YI Action ships an update every 3 weeks, and iSmart DV2 monthly. Most recently, YI Action was updated on October 22, 2026 and iSmart DV2 on October 18, 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.*