Hunter BTT vs KRAIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hunter BTT
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.
- Remote tap timer management
- Customizable watering schedules
- Manual irrigation control
- Battery level monitoring
- Device passcode security
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BTT is a Bluetooth®-enabled, app-configured tap timer from Hunter Industries that lets you automatically irrigate gardens, plants, flowers, and seedlings right from a hose faucet! BTT is easy to operate and simple to set up. It provides you with several convenient options to remotely program irrigation wirelessly from a smartphone. This means no more climbing around shrubs, stepping on delicate plants, or going outside to turn on the water. This app allows you to: • Remotely manage unlimited BTTs up to 32' (10 m) away • Manually start, stop, or suspend irrigation for up to seven days • Configure watering schedules using independent Timer or Cycling modes • View battery levels and connection status • Set language preferences • Assign passcodes to each device for additional security The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG Inc. and any use of such marks by Hunter Industries is under license.
KRAIN
Manage your irrigation system remotely with this app. It allows you to set up and control watering schedules, adjust runtimes, and monitor multiple controllers from your mobile device.
- Manage multiple controllers
- Create watering schedules
- Set Cycle & Soak
- Control lighting schedules
- Advanced Intelligence Mode
- Adjust runtimes remotely
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K-Rain makes it easy to set up and control your irrigation system from anywhere. Add and manage multiple controllers in one app, including Pro-LC and the new Pro-EX3. • Pro-LC: Wi-Fi ready controller for quick setup, simple scheduling, and easy daily control. • Pro-EX3: Hybrid-modular + 2-wire controller built for larger installations, flexible expansion, and advanced irrigation control. General app features (for supported devices): • Create and manage watering schedules • Set Cycle & Soak to reduce runoff and improve coverage • Control Lighting schedules (where supported) • AIM (Advanced Intelligence Mode): smarter watering to help optimize irrigation automatically Adjust runtimes, update settings, and manage your system right from your phone.
Screenshots
Verdict
The clearest difference is update cadence: KRAIN at every 2 weeks against Hunter BTT's every 6 months. KRAIN also leads on review sentiment (29% vs 17%). Hunter BTT's advantage is ratings volume (115 vs 7) and iOS requirement (11.0 vs 14.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 2.8 for Hunter BTT against 2.7 for KRAIN. That said, the two scores are not equally well evidenced: Hunter BTT has 115 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 17% of Hunter BTT's written reviews are positive against 29% of KRAIN's.
Hunter BTT ships an update every 6 months, KRAIN every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Hunter BTT | KRAIN |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (115 ratings) — better | 2.7 (7 ratings) |
| Positive reviews | 17.4% of reviews | 28.6% of reviews — better |
| Number of ratings | 115 — better | 7 |
| Update frequency | Every 6 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 26 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Hunter Industries | K-Rain Manufacturing Corporation |
Customer experience
Hunter BTT
KRAIN
Bugs and requests
Hunter BTT
Reported bugs
18 issues- 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
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- Manual watering stops unexpectedly
- Zone/channel controls switch randomly
- On/off positions reverse at random intervals
- App freezes during programming
- Cannot save schedule changes
- App hangs on opening screen
- Cycle timer page displays blank
- Day selection not working after recent update
- App crashes on iPhone 14 Pro and other iOS devices
- Manual mode buttons not visible on iPad
- App won't detect controller after update
- Automatic mode won't stay enabled
- Watering cycle displays incorrectly in app vs actual execution
Requested features
11 requests- 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
Show 6 moreShow fewer
- Battery low notification via email/push alert
- Watering history and last execution display
- More than two on/off times per day
- Longer custom controller nicknames
- Improved app stability and performance
- Better help documentation and tutorials
KRAIN
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Hunter BTT
No in-app purchases
KRAIN
No in-app purchases









