# OpenSprinkler vs Theia Legacy

The clearest difference is update cadence: OpenSprinkler at every 2 months against Theia Legacy's every 7 months. OpenSprinkler also leads on ratings volume (29 vs 4). Theia Legacy's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenSprinkler holds the better App Store score, 3.9 against 3.8. That said, the two scores are not equally well evidenced: OpenSprinkler has 29 ratings behind it against 4, so its average is the more settled of the two.

OpenSprinkler ships an update every 2 months, Theia Legacy every 7 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OpenSprinkler | Theia Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (29 ratings)](https://appshunter.io/ios/app/opensprinkler/id830988967/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/theia-legacy/id1624637084/reviews) |
| Number of ratings | **29** | 4 |
| Positive reviews | 64.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 8 MB | 79 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OpenThings](https://appshunter.io/developer/1526685906) | [Illum Horticulture](https://appshunter.io/developer/1575946647) |

## 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

**What reviewers like**

- 👍 Reliable and easy to use
- 💡 Open API for customization
- 🚀 Works great with hardware
- 👍 Great companion app
- 👍 Well-designed interface

**What reviewers complain about**

- 🐛 Crashes and fails to connect
- 🐛 Wi-Fi only interaction is a hinder
- 🐛 Slow app refresh/updates
- 🐛 Incompatible with VoiceOver
- 🐛 Loses settings on updates

**Reported bugs**

- 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

**Requested features**

- 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


### Theia Legacy

[App page](https://appshunter.io/ios/app/theia-legacy/id1624637084)

Control your Scynce LED grow lights with custom intensity, spectrum, and scheduling. Design personalized lighting recipes and manage one or multiple lights wirelessly via Bluetooth or mesh network.

**Highlights:** Adjust light intensity (0-100%), Customize color spectrum, Set on/off schedules, Create custom lighting recipes, Wireless control via Bluetooth/mesh, Manage groups of lights

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenSprinkler free?

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

### Is Theia Legacy free?

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

### Which has better reviews, OpenSprinkler or Theia Legacy?

OpenSprinkler is rated higher. OpenSprinkler averages 3.9 out of 5 from 29 ratings, while Theia Legacy averages 3.8 from 4 ratings.

### Do OpenSprinkler or Theia Legacy have ads?

Neither OpenSprinkler nor Theia Legacy shows ads.

### Which is updated more often, OpenSprinkler or Theia Legacy?

OpenSprinkler ships an update every 2 months, and Theia Legacy every 7 months. Most recently, OpenSprinkler was updated on November 1, 2026 and Theia Legacy on November 3, 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.*