Comparison

OpenSprinkler vs GrowFlux

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

Head to head
About

OpenSprinkler

Control your OpenSprinkler irrigation system remotely. Monitor device status, modify watering schedules, and launch programs instantly. Features manual testing, multi-device support, and weather integration.

Highlights
  • Device status monitoring
  • Program modification
  • Instant program launch
  • Manual testing mode
  • Multi-device support
  • Weather and forecast integration
  • Log data visualization
Features
Read full description

The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status * Quick program modification * Launch ad-hoc or defined programs instantly * Manual mode for convenient testing * Multi-device support * View visual representation of upcoming scheduled programs * View graphical and tabulated representation of log data * View current weather and forecast status for the device location * Change and disable rain delay * Multiple supported languages (Afrikaans, Amharic, Chinese, Czech, Dutch, French, German, Hebrew, Hungarian, Italian, Mongolian, Norwegian, Polish, Portuguese, Slovak, Slovenian, Spanish and more) This application requires you to own an OpenSprinkler that is properly connected to your network. For more information please visit https://opensprinkler.com. You can control your device from outside the local network with proper port forwarding and use of the WAN IP within the application or by using a VPN. For further assistance please visit the forums: https://forums.opensprinkler.com This is open source software: source code for this application can be found at https://github.com/OpenSprinkler/OpenSprinkler-App

About

GrowFlux

Control and monitor your greenhouse with this app. Create custom light formulas with timed set points and manage up to 1,000 lights per zone. Monitor sensors for optimal growing conditions.

Highlights
  • Zoning capabilities
  • Light formula creation
  • Sensor monitoring
  • Access point management
  • Control multiple lights per zone
Features
Read full description

GrowFlux enables you to control and monitor your greenhouse. It enables one to create light formulas, add lights to their control system and zone them. Light formulas can contain up to 7 timed set points. Zones can include up to 1,000 lights. Features - Zoning - Light Formula Creation - Sensor Monitoring - Access Point Management

Screenshots

OpenSprinkler3 screens
GrowFlux3 screens

Verdict

The call

OpenSprinkler and GrowFlux both sit at 3.9 stars, but that hides the real split: 65% of OpenSprinkler's written reviews are positive against 0% of GrowFlux's. OpenSprinkler also leads on ratings volume (29 vs 6). GrowFlux's advantage is iOS requirement (9.0 vs 15.0). On price, rating, update cadence and ads 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

On the App Store both sit at effectively the same score — 3.9 for OpenSprinkler against 4.0 for GrowFlux. Both are backed by a comparable volume of ratings — 29 and 6 respectively. Written reviews are what separate them: 65% of OpenSprinkler's written reviews are positive against 0% of GrowFlux's.

UpkeepUpdate frequency

OpenSprinkler ships an update every 2 months, GrowFlux every 5 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
OpenSprinkler versus GrowFlux: the parameters behind the verdict, then further details
ParameterOpenSprinklerGrowFlux
PriceFreeFree
Rating3.9 (29 ratings)4.0 (6 ratings) — better
Positive reviews64.8% of reviews — better0.0% of reviews
Number of ratings29 — better6
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size8 MB14 MB
Age rating4+4+
DeveloperOpenThingsGrowFlux Inc.

Customer experience

OpenSprinkler

All ratings29 ratings
Positive72.4%
Neutral10.3%
Negative17.2%
Written reviews54 reviews
Positive64.8%
Neutral13.0%
Negative22.2%

GrowFlux

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

OpenSprinkler

Reported bugs

20 issues
  • No network connectivity after update
  • Constantly crashes and fails to connect
  • App refreshes and updates super slow
  • Incompatible with VoiceOver, cannot edit/create programs
  • App cannot connect or discover OpenSprinkler 1.8.3 after update
Show 15 more
  • Update deleted OS sites and required new login
  • Loses settings on app updates
  • Won't connect to controller, but works in browser
  • Requires VPN to log in remotely
  • Screen doesn't refresh after changes, requires app restart
  • App crashes when taking a picture to assign to a zone
  • Resume after phone lock causes freeze, requires app restart
  • Weather location always displays as '11, Tottori-ken'
  • Hardware unit loses power randomly and reboots
  • App adds additional programs to the end of the list
  • Clock/GMT feature crashes app and reverts to default
  • Latest update broke connection with early build units (FW 1.8.3)
  • Update crashed OpenSprinkler, router can't find units
  • Firmware update wipes out config
  • Resume on iPhone 7 doesn't work, requires force quit

Requested features

9 requests
  • Add Apple Watch support
  • Indicate % water level with weather forecasts
  • Fix VoiceOver compatibility for editing/creating programs
  • Improve UI, follow iPhone standards
  • Add logging support to the app
Show 4 more
  • Support for older firmware versions (1.8.3)
  • Fix DHCP/static IP bug
  • Add temperature display to home screen
  • Fix resume issue on iPhone

GrowFlux

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

OpenSprinkler

No in-app purchases

None

GrowFlux

No in-app purchases

Questions

Is OpenSprinkler free?
OpenSprinkler is free to download, with no in-app purchases.
Is GrowFlux free?
GrowFlux is free to download, with no in-app purchases.
Which has better reviews, OpenSprinkler or GrowFlux?
GrowFlux is rated higher. OpenSprinkler averages 3.9 out of 5 from 29 ratings, while GrowFlux averages 4.0 from 6 ratings.
Do OpenSprinkler or GrowFlux have ads?
Neither OpenSprinkler nor GrowFlux shows ads.
Which is updated more often, OpenSprinkler or GrowFlux?
OpenSprinkler ships an update every 2 months, and GrowFlux every 5 weeks. Most recently, OpenSprinkler was updated on November 1, 2026 and GrowFlux on November 2, 2026.

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