# K vs ALLIANCE bt

The clearest difference is iOS requirement: K at 11.0 against ALLIANCE bt's 15.6. On price, rating, review sentiment and ratings volume there is nothing between them.

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

ALLIANCE bt holds the better App Store score, 2.1 against 1.9. Both are backed by a comparable volume of ratings — 31 and 81 respectively. Written reviews point the same way: 7% of K's written reviews are positive against 9% of ALLIANCE bt's.

K ships an update every 3 months, ALLIANCE bt every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | K | ALLIANCE bt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (31 ratings)](https://appshunter.io/ios/app/k-rain-proex/id1011303136/reviews) | **[2.1 (81 ratings)](https://appshunter.io/ios/app/alliance-bt/id1318574131/reviews)** |
| Number of ratings | 31 | **81** |
| Positive reviews | 6.7% of reviews | **9.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 13 MB | 22 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [K-Rain Manufacturing Corporation](https://appshunter.io/developer/1098744177) | [凯 陈](https://appshunter.io/developer/1631731460) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-rain-proex/id1011303136)

Remotely manage your irrigation system from anywhere using your smartphone or tablet. Monitor, program, or suspend watering schedules based on weather forecasts and test your system with your device.

**Highlights:** Remote irrigation control, Water schedule programming, Weather-based adjustments, System testing via smartphone, Professional installer management, Secure WiFi Hub connection

**Features:** macOS Compatibility

**In-app purchases:** none


### ALLIANCE bt

[App page](https://appshunter.io/ios/app/alliance-bt/id1318574131)

Control smart lighting with features like dimming, grouping, and tunable white options. Create custom scenes and default colors for personalized ambiance. Securely manage your lamps within easy-to-use networks.

**Highlights:** Dimming and grouping, Tunable white (2700K-4000K), RGB color selection, Custom scene creation, Custom default colors, Secured network management

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is ALLIANCE bt free?

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

### Which has better reviews, K or ALLIANCE bt?

ALLIANCE bt is rated higher. K averages 1.9 out of 5 from 31 ratings, while ALLIANCE bt averages 2.1 from 81 ratings.

### Do K or ALLIANCE bt have ads?

Neither K nor ALLIANCE bt shows ads.

### Which is updated more often, K or ALLIANCE bt?

K ships an update every 3 months, and ALLIANCE bt every 2 months. Most recently, K was updated on November 1, 2026 and ALLIANCE bt on November 6, 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.*