Comparison

K vs Hunter BTT

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

K

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
Read full description

Control your K-Rain BL-KR Battery Powered Timer, BL-24 Indoor Irrigation Timer and TC-KR Hose End Timer with one streamlined App and Bluetooth Smart Technology. No more crawling around the valve box trying to program or troubleshoot your battery powered timer – this app puts full programming control in the palm of your hand. This app allows you to: · Transform your iPhone or iPad into a remote control and fully program your BL-KR, BL-24 or TC-KR controller(s) using Bluetooth Smart technology from up to 32 feet (10m) away. · Manually start, stop or suspend your controller(s) from up to 32 feet away. · Fully configure watering schedules and zones. · Detect battery levels and connection status. · Add a passcode lock to each controller for added security. · The ability to add multiple BL-KR, BL-24 & TC-KR controllers and program/control them using 1 app on your iPhone or iPad. The K-Rain BL-KR Battery Powered Irrigation Controller uses a 9V DC Latching Solenoid, and comes in 1, 2 4 or 6 station models, all rain sensor ready. The K-Rain BL-24 Irrigation Timer comes with a 110V or 220V external transformer and can be configured in 4, 6, 9 or 12 station models, all rain sensor ready. The K-Rain TC-KR battery powered hose-end timer can be used for irrigation or misting and is powered by a 9V battery.

About

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.

Highlights
  • Remote tap timer management
  • Customizable watering schedules
  • Manual irrigation control
  • Battery level monitoring
  • Device passcode security
Features
Read full description

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.

Screenshots

K4 screens
Hunter BTT4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
K versus Hunter BTT: the parameters behind the verdict, then further details
ParameterKHunter BTT
PriceFreeFree
Rating3.3 (9 ratings) — better2.8 (115 ratings)
Positive reviews40.0% of reviews — better17.4% of reviews
Number of ratings9115 — better
Update frequencyEvery 4 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size41 MB26 MB
Age rating4+4+
DeveloperK-Rain Manufacturing CorporationHunter Industries

Customer experience

K

All ratings9 ratings
Positive55.6%
Neutral11.1%
Negative33.3%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Hunter BTT

All ratings111 ratings
Positive41.4%
Neutral1.8%
Negative56.8%
Written reviews172 reviews
Positive17.4%
Neutral8.1%
Negative74.4%

Bugs and requests

K

Not enough reviews yet to summarise bugs or 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
Show 13 more
  • 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 more
  • 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

In-app purchases

None

K

No in-app purchases

None

Hunter BTT

No in-app purchases

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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