# Yefit vs KY UFO

The clearest difference is rating: Yefit at 5.0 against KY UFO's 2.6. KY UFO's advantage is ratings volume (217 vs 2). 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.

Yefit holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: KY UFO has 217 ratings behind it against 2, so its average is the more settled of the two.

Yefit ships an update every 3 weeks, KY UFO monthly. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Yefit | KY UFO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/yefit/id1274958172/reviews)** | [2.6 (217 ratings)](https://appshunter.io/ios/app/ky-ufo/id1621716933/reviews) |
| Number of ratings | 2 | **217** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 141 MB | 133 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen TJD Information Technology Co. LTD](https://appshunter.io/developer/1237032542) | [shenzhen cooingdv technology co.,ltd.](https://appshunter.io/developer/1255741645) |

## What reviewers say

### Yefit

[App page](https://appshunter.io/ios/app/yefit/id1274958172)

Monitor your smart wearable devices in real-time, tracking exercise, personal health data, and movement. Set health goals, receive personalized guidance, and control device functions like music and weather. Integrates with HealthKit for a comprehensive health profile.

**Highlights:** Real-time data monitoring, Personalized health management, Intelligent exercise guidance, Device control (music, weather), Sleep monitoring, HealthKit integration

**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 Yefit free?

Yefit 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, Yefit or KY UFO?

Yefit is rated higher. Yefit averages 5.0 out of 5 from 2 ratings, while KY UFO averages 2.6 from 217 ratings.

### Do Yefit or KY UFO have ads?

Neither Yefit nor KY UFO shows ads.

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

Yefit ships an update every 3 weeks, and KY UFO monthly. Most recently, Yefit was updated on October 15, 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.*