Comparison

OpenSprinkler vs Pulse Grow

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

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.

Highlights
  • Remote environmental monitoring
  • Temperature and RH tracking
  • Light monitoring
  • VPD calculation
  • Customizable alerts
  • Integrated journaling
Features
Read full description

Pulse Grow Environmental monitoring. Anytime. Anywhere. Improve your grow with remote monitoring of temperature, RH, light, and VPD, custom alerts, and integrated journaling.

Screenshots

OpenSprinkler3 screens
Pulse Grow4 screens

Verdict

The call

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

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 3.9 for Pulse Grow. Both are backed by a comparable volume of ratings — 29 and 29 respectively. Written reviews are what separate them: 65% of OpenSprinkler's written reviews are positive against 46% of Pulse Grow's.

UpkeepUpdate frequency

OpenSprinkler ships an update every 2 months, Pulse Grow fortnightly. The most recent releases landed on September 24, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
OpenSprinkler versus Pulse Grow: the parameters behind the verdict, then further details
ParameterOpenSprinklerPulse Grow
PriceFreeFree
Rating3.9 (29 ratings) — better3.9 (29 ratings)
Positive reviews64.8% of reviews — better46.2% of reviews
Number of ratings2929
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size6 MB34 MB
Age rating4+4+
DeveloperOpenThingsPulse Labs, Incorporated

Customer experience

OpenSprinkler

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

Pulse Grow

All ratings29 ratings
Positive65.5%
Neutral6.9%
Negative27.6%
Written reviews13 reviews
Positive46.2%
Neutral15.4%
Negative38.5%

In-app purchases

None

OpenSprinkler

No in-app purchases

None

Pulse Grow

No in-app purchases

Questions

Is OpenSprinkler free?
OpenSprinkler is free to download, with no in-app purchases.
Is Pulse Grow free?
Pulse Grow is free to download, with no in-app purchases.
Which has better reviews, OpenSprinkler or Pulse Grow?
OpenSprinkler is rated higher. OpenSprinkler averages 3.9 out of 5 from 29 ratings, while Pulse Grow averages 3.9 from 29 ratings.
Do OpenSprinkler or Pulse Grow have ads?
Neither OpenSprinkler nor Pulse Grow shows ads.
Which is updated more often, OpenSprinkler or Pulse Grow?
OpenSprinkler ships an update every 2 months, and Pulse Grow fortnightly. Most recently, OpenSprinkler was updated on September 24, 2026 and Pulse Grow on October 10, 2026.

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