OpenSprinkler vs Pulse Grow
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
Pulse Grow
Monitor your grow environment remotely, tracking temperature, humidity, and light. Receive custom alerts and log your progress with integrated journaling to optimize your plant growth.
- Remote environmental monitoring
- Temperature and RH tracking
- Light monitoring
- VPD calculation
- Customizable alerts
- Integrated journaling
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Pulse Grow Environmental monitoring. Anytime. Anywhere. Improve your grow with remote monitoring of temperature, RH, light, and VPD, custom alerts, and integrated journaling.
Screenshots
Verdict
OpenSprinkler and Pulse Grow both sit at 3.9 stars, but that hides the real split: 65% of OpenSprinkler's written reviews are positive against 46% of Pulse Grow's. Pulse Grow's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, rating, ratings volume 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
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 — 3.9 for OpenSprinkler against 3.9 for Pulse Grow. Both are backed by a comparable volume of ratings — 29 and 30 respectively. Written reviews are what separate them: 65% of OpenSprinkler's written reviews are positive against 46% of Pulse Grow's.
OpenSprinkler ships an update every 2 months, Pulse Grow fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | OpenSprinkler | Pulse Grow |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (29 ratings) — better | 3.9 (30 ratings) |
| Positive reviews | 64.8% of reviews — better | 46.2% of reviews |
| Number of ratings | 29 | 30 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | OpenThings | Pulse Labs, Incorporated |
Customer experience
OpenSprinkler
Pulse Grow
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
Pulse Grow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OpenSprinkler
No in-app purchases
Pulse Grow
No in-app purchases
