# GreenKeeper vs U

The clearest difference is update cadence: GreenKeeper at every 2 days against U's monthly. GreenKeeper also leads on iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

GreenKeeper ships an update every 2 days, U monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | GreenKeeper | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (35 ratings)](https://appshunter.io/ios/app/u-prox-home/id1463529374/reviews)** |
| Number of ratings | — | **35** |
| Positive reviews | — | 56.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Free |
| Size | 10 MB | 145 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Бастион](https://appshunter.io/developer/1169050232) | [a2softin](https://appshunter.io/developer/1133492162) |

## What reviewers say

### GreenKeeper

[App page](https://appshunter.io/ios/app/greenkeeper/id1460553575)

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-prox-home/id1463529374)

Control your wireless security system remotely from your mobile device. Arm or disarm your home, manage automation devices, and receive instant event notifications. The app supports managing multiple security systems and groups.

**Highlights:** Remote arming and disarming, Home automation device control, Push notification alerts, Event monitoring, Manage multiple security systems, Manage multiple groups per system

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

**In-app purchases:** none


## Frequently asked questions

### Is GreenKeeper free?

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

### Is U free?

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

### Do GreenKeeper or U have ads?

Neither GreenKeeper nor U shows ads.

### Which is updated more often, GreenKeeper or U?

GreenKeeper ships an update every 2 days, and U monthly. Most recently, GreenKeeper was updated on November 3, 2026 and U on November 3, 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.*