Comparison

YI Action vs iSmart DV2

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

YI Action

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
Read full description

[YI 4K Action Camera] The Best Action Camera Ever. Period. 4K/30 | 120 minutes recording at 4K/30 (battery capacity 1400mAh) | 8 hours standby | Ambarella A9SE75 chip| 2.19” retina touchscreen | EIS (Electronic Image Stabilization) | 2.4GHz/5GHz Wi-Fi | 12MP still image | 155° wide-angle | Supports manual setting for shutter/ISO/EV/WB | 9 video modes |Easy social sharing | ¼ Inch thread mount| Bluetooth4.0 YI Community: Lifestyle for young and innovative people Super cool image editing effects to enhance your photos/ videos Support manual settings for shutter/ISO/EV/WB makes even easier to handle different situations Up to 18 ways of shooting videos and 5 modes for taking pictures User friendly UI design makes super easy to shoot, edit and share your work Supports horizontal screen mode to enable the widest preview angle Powerful video editing function to produce 6-30 seconds of videos in seconds. You can also add effects, filters and stickers. Everybody is a Hollywood producer! Share wonderful moments with millions of YI fans! Let’s explore the latest and most innovative ways to have fun with the YI community! [YI Action Camera 1] Ultra-wide angle lens 16MP | Action sports high-speed shooting| Share on the go! 1 Equipped with the world's leading image process, Ambarella A7LS 2 Features the 16MP Sony Exmor R CMOS, snap clear and crisp HD photos even in the most challenging light conditions. 3 Aspheric lens of high definition optical glass, F2.8 large aperture and 155° super wide-angle enable to snap clear, crisp and colorful image 4 Panasonic high density lithium-ion battery core with low-power consumption system for long lasting battery life 5 10 second video clips to instantly share whenever and whatever you want. We provide the editing, filter, music, etc. function to make your clip more creative and interesting 6 4 picture modes to capture the best images: Photo (16MP), Time lapse, Timer and Burst mode (7 pictures/s) 7 Super smooth 4 video modes: Daily Video Mode (1080P/30FPS), Sports Mode (1080P/60FPS), High Speed Mode (720P/120FPS) and Super Speed Mode (480P/240FPS) 8 On App square you can discover and share those new, special and funny pictures or videos. YI fans are gathered here to share their best content and tips. What are you waiting for? Contact For questions, please email support@yitechnology.com or visit our website http://www.yitechnology.com for more information.

About

iSmart DV2

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
Read full description

This is an app for iCatch Single Board Camera (SBC) which it is a simple camera board with firmware SDK. The app can remotely control SBC, including following function. Connection procedure : 1.turn ON the Wi-Fi on iPhone/iPad and Camera 2.search camera SSID and connect, the password is 1234567890 3.after established the Wi-Fi connection, launch the app. Features: 1. Preview stream, Live streaming from camera. 2. Trigger action, In the preview stream, you can trigger camera to take a video or picture. 3. Support burst shot 4. Support delay capture. 5. Support video quality change. 6. Support image size change. 7. Support white-balance change 8. Format the camera SD card. 9. Listing photo & video files and download or delete files. 10. Single photo playback. 11. Automatic time correction with iPhone or iPad when established the connection. 12. Preview streaming is more smoothing. 13. Support video playback with audio before download. 14. Support upside down. 15. Support slow motion. 16. Support TimeLapsed record as video or picture. 17. Support social network sharing 18. Support change camera SSID & password ( remember turn off/on camera wifi) 19. Support Date-Time Stamp setting in video mode 20. Support playback time-lapsed and slow motion video without download

Screenshots

YI Action3 screens
iSmart DV24 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
YI Action versus iSmart DV2: the parameters behind the verdict, then further details
ParameterYI ActioniSmart DV2
PriceFreeFree
Rating1.8 (442 ratings)4.3 (750 ratings) — better
Positive reviews9.5% of reviews24.1% of reviews — better
Number of ratings442750 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better12.0
Further details — not scored
Size170 MB63 MB
Age rating4+4+
DeveloperShanghai Xiaoyi Technology Co., Ltd.iCatch Technology Inc.,

Customer experience

YI Action

All ratings442 ratings
Positive14.5%
Neutral5.7%
Negative79.9%
Written reviews1,332 reviews
Positive9.5%
Neutral5.5%
Negative85.1%

iSmart DV2

All ratings750 ratings
Positive81.5%
Neutral3.2%
Negative15.3%
Written reviews108 reviews
Positive24.1%
Neutral5.6%
Negative70.4%

User reviews

YI Action

From 442 App Store ratings

What we love

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

Room to improve

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

iSmart DV2

From 750 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

YI Action

Reported bugs

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

Requested features

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

iSmart DV2

Reported bugs

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

Requested features

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

In-app purchases

None

YI Action

No in-app purchases

None

iSmart DV2

No in-app purchases

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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