# Cooleer vs Slong

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.

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.

## The numbers

| Metric | Cooleer | Slong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (135 ratings)](https://appshunter.io/ios/app/cooleer/id1538276556/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/slong/id6503198149/reviews) |
| Number of ratings | **135** | 1 |
| Positive reviews | 15.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 64 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shenzhen cooingdv technology co.,ltd.](https://appshunter.io/developer/1255741645) | [Shenzhen Shenglong Technology Co., Ltd](https://appshunter.io/developer/1748314415) |

## What reviewers say

### Cooleer

[App page](https://appshunter.io/ios/app/cooleer/id1538276556)

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.

**Highlights:** Real-time image display, Connects via WiFi, Photo capture, Video recording, Image flipping

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 📸 Clear camera image quality
- ⚡ Quick setup once connected
- 🎯 Effective ear cleaning results
- 💰 Good value for price
- 🔧 Works well when properly configured

**What reviewers complain about**

- 🔌 Persistent WiFi connection issues
- 😤 Confusing setup instructions
- 🔄 Frequent disconnections after initial connection
- ⚠️ Inconsistent performance across devices
- 🚫 Poor customer support

**Reported bugs**

- 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

**Requested features**

- 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


### Slong

[App page](https://appshunter.io/ios/app/slong/id6503198149)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cooleer free?

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

### Is Slong free?

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

### Which has better reviews, Cooleer or Slong?

Cooleer is rated higher. Cooleer averages 1.8 out of 5 from 135 ratings, while Slong averages 1.0 from 1 ratings.

### Do Cooleer or Slong have ads?

Neither Cooleer nor Slong shows ads.

### Which is updated more often, Cooleer or Slong?

Cooleer ships an update monthly, and Slong every 5 weeks. Most recently, Cooleer was updated on October 14, 2026 and Slong on October 2, 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.*