Cooleer vs Xiao
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cooleer
View real-time macro images from connected devices like blackhead removers and ear scoops on your mobile. Capture photos and save videos with the ability to flip images.
- Real-time image display
- Connects via WiFi
- Photo capture
- Video recording
- Image flipping
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The app connects with devices such as blackhead, ear scoop and dental vision through wireless wifi, and can display real-time images of macro lenses on mobile devices. When previewing the real-time picture, you can take photos and save videos. When the current photo and video, you can flip the image of the picture.
Xiao
This utility app connects to ear-picking equipment via Wi-Fi to display a real-time view of the ear canal on your mobile device. It allows users to easily examine ear conditions, capture photos, and record videos for later comparison.
- Real-time ear canal imaging
- Wi-Fi connectivity
- Photo and video capture
- Ear condition comparison
- Ear canal examination tool
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Xiao-e is a tool application for otoscope. Through Wi Fi and connecting ear picking equipment, the real-time picture of ear canal can be displayed on the mobile phone, and the ear canal can be easily pulled out to see the situation in the ear canal. At the same time, when you preview the real-time picture, you can take photos and video to save the pictures or videos at that time, so as to compare whether there is any abnormality in the ear canal.
Screenshots
Verdict
The clearest difference is rating: Xiao at 2.1 against Cooleer's 1.8. Xiao also leads on iOS requirement (12 vs 15.0). On price, review sentiment, ratings volume and update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Xiao holds the better App Store score, 2.1 against 1.8. Both are backed by a comparable volume of ratings — 135 and 137 respectively. Written reviews point the same way: 16% of Cooleer's written reviews are positive against 22% of Xiao's.
Cooleer ships an update monthly, Xiao every 5 weeks. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.
| Parameter | Cooleer | Xiao |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (135 ratings) | 2.1 (137 ratings) — better |
| Positive reviews | 15.6% of reviews | 22.3% of reviews — better |
| Number of ratings | 135 | 137 — better |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12 — better |
| Further details — not scored | ||
| Size | 64 MB | 79 MB |
| Age rating | 4+ | 17+ |
| Developer | shenzhen cooingdv technology co.,ltd. | 文平 刘 |
Customer experience
Cooleer
Xiao
Bugs and requests
Cooleer
Reported bugs
10 issues- App fails to initialize device connection
- WiFi keeps disconnecting every few seconds
- Device shows connected but app says disconnected
- Camera image freezes during use
- App hangs and becomes unresponsive
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- Recent update broke camera stabilization
- App crashes after latest update
- WiFi network detection failure
- Permission requests not functioning properly
- Password validation errors (12345678 not accepted)
Requested features
7 requests- Restore image auto-rotation stabilizer for better usability
- Fix camera rotation to keep device static while viewing
- Add troubleshooting guide within app
- Implement Bluetooth connection option
- Add offline mode functionality
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- Improve documentation in multiple languages
- Add in-app customer support chat
Xiao
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cooleer
No in-app purchases
Xiao
No in-app purchases








