Cooleer vs Slong
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.
Slong
This utility app connects to a viewing device via Wi-Fi to display live macro lens images on your mobile screen. Capture photos and videos directly from the live preview and save them to your device's album. It offers screen rotation and multi-language support for a seamless user experience.
- Wi-Fi connection to viewing devices
- Live macro lens image display
- Photo and video capture
- Save to device album
- Screen rotation support
- Multi-language environment
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The app connects to a viewing device via wireless wifi and can display live macro lens images on a mobile device. When previewing the live view, you can take photos or videos and view them in your own album or system album. It also supports device screen rotation, multi-language environment and other functions.
Screenshots
Verdict
The clearest difference is rating: Cooleer at 1.8 against Slong's 1.0. Cooleer also leads on ratings volume (135 vs 1). Slong's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases 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.
Cooleer holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: Cooleer has 135 ratings behind it against 1, so its average is the more settled of the two.
Cooleer ships an update monthly, Slong every 5 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.
| Parameter | Cooleer | Slong |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (135 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 15.6% of reviews | — |
| Number of ratings | 135 — better | 1 |
| 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 | 13.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | shenzhen cooingdv technology co.,ltd. | Shenzhen Shenglong Technology Co., Ltd |
Customer experience
Cooleer
Slong
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
Slong
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cooleer
No in-app purchases
Slong
No in-app purchases
