OpenSprinkler vs Fluence Wireless Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Device status monitoring
- Program modification
- Instant program launch
- Manual testing mode
- Multi-device support
- Weather and forecast integration
- Log data visualization
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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
Fluence Wireless Flex
This app configures wireless dimming hardware for horticulture lighting systems. It offers a cost-effective and flexible alternative to wired configurations, compatible with various climate management systems.
- Wireless lighting control configuration
- Compatibility with 0-10V climate management systems
- Reduced installation time and cost
- Eliminates wiring errors
- Optional wireless wall station for local control
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Configure Fluence's Wireless Flex Dimming hardware to support wireless lighting control in greenhouses, indoor farms, and other horticulture applications. Wireless Flex Dimming is fully compatible with any climate management system with a 0-10V output for lighting control, so it can be used with a variety of best-in-class solutions that match the grower’s needs and preferences, now and in the future. Fluence’s Wireless Flex Dimming delivers simplicity, flexibility, and cost savings to your horticulture lighting operation. Wireless Flex Dimming total installed cost is typically significantly lower than a 0-10V wired configuration, realizing significant savings from reduced installation time and eliminating potential wiring errors. Simply plug a Wireless Flex Dimming Receiver into the dimming port of each Fluence light fixture, install a Wireless Flex Dimming 0-10V Adapter, and connect the 0-10V dimming control output from the climate computer or scheduler. An optional wireless wall station can be added for emergency shut-off and local control.
Screenshots
Verdict
The clearest difference is rating: Fluence Wireless Flex at 5.0 against OpenSprinkler's 3.9. OpenSprinkler's advantage is ratings volume (29 vs 2). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fluence Wireless Flex holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: OpenSprinkler has 29 ratings behind it against 2, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | OpenSprinkler | Fluence Wireless Flex |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (29 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 64.8% of reviews | — |
| Number of ratings | 29 — better | 2 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 8 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | OpenThings | Fluence Bioengineering, Inc. |
Customer experience
OpenSprinkler
Fluence Wireless Flex
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
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- 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
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- Support for older firmware versions (1.8.3)
- Fix DHCP/static IP bug
- Add temperature display to home screen
- Fix resume issue on iPhone
Fluence Wireless Flex
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OpenSprinkler
No in-app purchases
Fluence Wireless Flex
No in-app purchases
Questions
Is OpenSprinkler free?
Is Fluence Wireless Flex free?
Which has better reviews, OpenSprinkler or Fluence Wireless Flex?
Do OpenSprinkler or Fluence Wireless Flex have ads?
Which is updated more often, OpenSprinkler or Fluence Wireless Flex?
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