# OpenSprinkler vs Purpl PRO 2

OpenSprinkler and Purpl PRO 2 both sit at 3.9 stars, but that hides the real split: 65% of OpenSprinkler's written reviews are positive against 25% of Purpl PRO 2's. OpenSprinkler also leads on in-app purchases (none vs 4) and update cadence (every 2 months vs every 5 months). Purpl PRO 2's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Purpl PRO 2 sells 4 in-app purchases, starting at $19.99 per month. OpenSprinkler asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.9 for OpenSprinkler against 4.0 for Purpl PRO 2. 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. Written reviews are what separate them: 65% of OpenSprinkler's written reviews are positive against 25% of Purpl PRO 2's.

OpenSprinkler ships an update every 2 months, Purpl PRO 2 every 5 months. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OpenSprinkler | Purpl PRO 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (29 ratings)](https://appshunter.io/ios/app/opensprinkler/id830988967/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/purpl-pro-2/id6479393669/reviews)** |
| Number of ratings | **29** | 2 |
| Positive reviews | **64.8% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 42 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OpenThings](https://appshunter.io/developer/1526685906) | [PURPL SCIENTIFIC INC](https://appshunter.io/developer/1446726720) |

## What reviewers say

### OpenSprinkler

[App page](https://appshunter.io/ios/app/opensprinkler/id830988967)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Purpl PRO 2

[App page](https://appshunter.io/ios/app/purpl-pro-2/id6479393669)

Analyze cannabis potency and chemical composition from cultivation to consumption. Get immediate analysis with your smartphone and a pocket-sized device, saving measurements to the cloud. Compare your results to averages and manage your data effectively.

**Highlights:** Real-time potency measurement, Cloud saving of measurements, View measurement spectrum, Compare to average spectrum, Rename and delete measurements, Request account deletion

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Tier | $19.99 | per month |
| Advanced Tier | $49.99 | per 3 months |
| Advanced Tier | $99.99 | per 6 months |
| Advanced Tier | $199.99 | per year |


## Frequently asked questions

### Is OpenSprinkler free?

OpenSprinkler is free to download, with no in-app purchases.

### Is Purpl PRO 2 free?

Purpl PRO 2 is free to download, with in-app purchases available.

### Which has better reviews, OpenSprinkler or Purpl PRO 2?

Purpl PRO 2 is rated higher. OpenSprinkler averages 3.9 out of 5 from 29 ratings, while Purpl PRO 2 averages 4.0 from 2 ratings.

### Do OpenSprinkler or Purpl PRO 2 have ads?

Neither OpenSprinkler nor Purpl PRO 2 shows ads.

### Which is updated more often, OpenSprinkler or Purpl PRO 2?

OpenSprinkler ships an update every 2 months, and Purpl PRO 2 every 5 months. Most recently, OpenSprinkler was updated on September 24, 2026 and Purpl PRO 2 on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*