# OpenSprinkler vs Boulderlamp

The clearest difference is update cadence: OpenSprinkler at every 2 months against Boulderlamp's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

OpenSprinkler ships an update every 2 months, Boulderlamp every 5 months. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | OpenSprinkler | Boulderlamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (29 ratings)](https://appshunter.io/ios/app/opensprinkler/id830988967/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 64.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 6 MB | 49 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OpenThings](https://appshunter.io/developer/1526685906) | [Boulderlamp](https://appshunter.io/developer/1721405687) |

## 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


### Boulderlamp

[App page](https://appshunter.io/ios/app/boulderlamp/id6474350862)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenSprinkler free?

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

### Is Boulderlamp free?

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

### Do OpenSprinkler or Boulderlamp have ads?

Neither OpenSprinkler nor Boulderlamp shows ads.

### Which is updated more often, OpenSprinkler or Boulderlamp?

OpenSprinkler ships an update every 2 months, and Boulderlamp every 5 months. Most recently, OpenSprinkler was updated on September 24, 2026 and Boulderlamp on October 9, 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.*