# Joylog vs KY UFO

The clearest difference is review sentiment: Joylog at 100% against KY UFO's 25%. Joylog also leads on rating (4.0 vs 2.6) and iOS requirement (10.0 vs 12.0). KY UFO's advantage is update cadence (monthly vs every 4 months) and ratings volume (217 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Joylog holds the better App Store score, 4.0 against 2.6. That said, the two scores are not equally well evidenced: KY UFO has 217 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Joylog's written reviews are positive against 25% of KY UFO's.

Joylog ships an update every 4 months, KY UFO monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Joylog | KY UFO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/joylog/id1457651013/reviews)** | [2.6 (217 ratings)](https://appshunter.io/ios/app/ky-ufo/id1621716933/reviews) |
| Number of ratings | 5 | **217** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 14 MB | 133 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joylog Tech Co.,Ltd](https://appshunter.io/developer/1457651012) | [shenzhen cooingdv technology co.,ltd.](https://appshunter.io/developer/1255741645) |

## What reviewers say

### Joylog

[App page](https://appshunter.io/ios/app/joylog/id1457651013)

This app uses a smart sonar system to detect fish location, size, and depth up to 40 meters underwater. It also provides real-time information on underwater topography, water depth, and temperature, displayed on your mobile device.

**Highlights:** High-precision miniature sonar system, Detects fish location, size, and depth, Underwater topographic map generation, Real-time water depth and temperature, Mobile app integration for live data

**Features:** macOS Compatibility

**In-app purchases:** none


### KY UFO

[App page](https://appshunter.io/ios/app/ky-ufo/id1621716933)

Control toy unmanned aerial vehicles and view captured images. Offers a variety of innovative gameplay modes for enhanced user experience.

**Highlights:** Toy UAV control, Picture display, Multiple gameplay modes, Innovative play options

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to set up
- 🚀 Works as expected
- 💡 Can take pictures and videos

**What reviewers complain about**

- 🐛 App doesn't connect to drone
- 🔋 Short battery life
- 🔍 Poor camera quality
- 🤯 Difficult to control
- 🤖 Unstable connection

**Reported bugs**

- App doesn't connect to phone
- Drone flies away uncontrollably
- Buttons and controls don't work

**Requested features**

- Update app for latest iOS versions
- Improve camera quality
- Add more control options


## Frequently asked questions

### Is Joylog free?

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

### Is KY UFO free?

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

### Which has better reviews, Joylog or KY UFO?

Joylog is rated higher. Joylog averages 4.0 out of 5 from 5 ratings, while KY UFO averages 2.6 from 217 ratings.

### Do Joylog or KY UFO have ads?

Neither Joylog nor KY UFO shows ads.

### Which is updated more often, Joylog or KY UFO?

Joylog ships an update every 4 months, and KY UFO monthly. Most recently, Joylog was updated on October 24, 2026 and KY UFO on October 25, 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.*