# KOWOLL 28E vs U Mower

The clearest difference is iOS requirement: KOWOLL 28E at 10.0 against U Mower's 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.

KOWOLL 28E ships an update every 3 weeks, U Mower every 2 weeks. The most recent releases landed on September 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KOWOLL 28E | U Mower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/u-mower/id6572285354/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 45 MB | 221 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kalman Navigation](https://appshunter.io/developer/1363987394) | [UBTECH ROBOTICS CORP](https://appshunter.io/developer/975970176) |

## What reviewers say

### KOWOLL 28E

[App page](https://appshunter.io/ios/app/kowoll-28e/id6443854438)

**In-app purchases:** none


### U Mower

[App page](https://appshunter.io/ios/app/u-mower/id6572285354)

Control and manage your robotic lawn mower with this companion app. Create virtual maps, set schedules, customize mowing parameters, and monitor tasks remotely for a smarter lawn care experience.

**Highlights:** Intelligent map creation, Remote control of mowing tasks, Customizable mowing height and speed, Mowing schedule setting, Mowing task recording, Remote mowing control

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KOWOLL 28E free?

KOWOLL 28E is free to download, with no in-app purchases.

### Is U Mower free?

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

### Do KOWOLL 28E or U Mower have ads?

Neither KOWOLL 28E nor U Mower shows ads.

### Which is updated more often, KOWOLL 28E or U Mower?

KOWOLL 28E ships an update every 3 weeks, and U Mower every 2 weeks. Most recently, KOWOLL 28E was updated on September 19, 2026 and U Mower on October 14, 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.*