# K vs Hunter BTT

The clearest difference is rating: K at 3.3 against Hunter BTT's 2.8. K also leads on review sentiment (40% vs 17%). Hunter BTT's advantage is ratings volume (115 vs 9). 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.

K holds the better App Store score, 3.3 against 2.8. That said, the two scores are not equally well evidenced: Hunter BTT has 115 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 40% of K's written reviews are positive against 17% of Hunter BTT's.

K ships an update every 4 months, Hunter BTT every 6 months. The most recent releases landed on September 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | K | Hunter BTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (9 ratings)](https://appshunter.io/ios/app/k-rain-bl/id998471694/reviews)** | [2.8 (115 ratings)](https://appshunter.io/ios/app/hunter-btt/id1316133240/reviews) |
| Number of ratings | 9 | **115** |
| Positive reviews | **40.0% of reviews** | 17.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 41 MB | 26 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [K-Rain Manufacturing Corporation](https://appshunter.io/developer/1098744177) | [Hunter Industries](https://appshunter.io/developer/710090127) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-rain-bl/id998471694)

Control your K-Rain irrigation timers remotely via Bluetooth. Adjust watering schedules, zones, and monitor battery levels from your iPhone or iPad. Secure your controllers with a passcode.

**Highlights:** Bluetooth Smart Technology control, Remote programming of watering schedules, Manual start, stop, and suspend functions, Zone configuration, Battery level and connection status monitoring, Passcode lock for security, Control multiple timers

**In-app purchases:** none


### Hunter BTT

[App page](https://appshunter.io/ios/app/hunter-btt/id1316133240)

Automate garden and plant watering directly from a hose faucet using a Bluetooth-enabled tap timer. Remotely control irrigation schedules, start/stop watering, and monitor device status from your smartphone.

**Highlights:** Remote tap timer management, Customizable watering schedules, Manual irrigation control, Battery level monitoring, Device passcode security

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to set up and use
- 💧 Effective watering automation
- 📱 Convenient app control
- 🔘 Manual override button functionality
- ⏱️ Cycling mode with scheduling options

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 📡 Poor Bluetooth connectivity and range
- ⚪ White blank screen issues
- 🔄 Settings randomly reset or change
- 🚫 App disconnects frequently

**Reported bugs**

- App crashes when connecting to device
- White blank screen on startup
- Bluetooth connection drops frequently
- Settings revert after saving
- Schedule stops working after a few days

**Requested features**

- WiFi connectivity instead of Bluetooth only
- Remote control from outside Bluetooth range
- Ability to select specific days instead of interval-based watering
- Multiple phone/user access capability
- Watering duration in seconds, not just minutes


## Frequently asked questions

### Is K free?

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

### Is Hunter BTT free?

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

### Which has better reviews, K or Hunter BTT?

K is rated higher. K averages 3.3 out of 5 from 9 ratings, while Hunter BTT averages 2.8 from 115 ratings.

### Do K or Hunter BTT have ads?

Neither K nor Hunter BTT shows ads.

### Which is updated more often, K or Hunter BTT?

K ships an update every 4 months, and Hunter BTT every 6 months. Most recently, K was updated on September 29, 2026 and Hunter BTT on October 21, 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.*