# OpenSprinkler vs TM+ Pro

The clearest difference is rating: OpenSprinkler at 3.9 against TM+ Pro's 3.1. OpenSprinkler also leads on review sentiment (63% vs 32%). TM+ Pro's advantage is ratings volume (97 vs 29) and iOS requirement (13.0 vs 15.0). On price, update cadence, 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 3.1. Both are backed by a comparable volume of ratings — 29 and 97 respectively. Written reviews point the same way: 63% of OpenSprinkler's written reviews are positive against 32% of TM+ Pro's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | OpenSprinkler | TM+ Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (29 ratings)](https://appshunter.io/ios/app/opensprinkler/id830988967/reviews)** | [3.1 (97 ratings)](https://appshunter.io/ios/app/tm-plus-pro/id1619222131/reviews) |
| Number of ratings | 29 | **97** |
| Positive reviews | **63.0% of reviews** | 32.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 6 MB | 122 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OpenThings](https://appshunter.io/developer/1526685906) | [TrolMaster Agro Instruments Co., Limited](https://appshunter.io/developer/1619222133) |

## 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


### TM+ Pro

[App page](https://appshunter.io/ios/app/tm-plus-pro/id1619222131)

Remotely monitor and control horticulture automation systems for your growth facilities. Features a new UI, historical charts, customizable device displays, and a logbook for tracking plant data. Connect with a community of growers and access support resources.

**Highlights:** Remote access to control systems, Historical data charting, Customizable device naming and photos, Plant growth logbook, Grower community and forum, Controller sharing with authorization

**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 TM+ Pro free?

TM+ Pro is free to download, with no in-app purchases.

### Which has better reviews, OpenSprinkler or TM+ Pro?

OpenSprinkler is rated higher. OpenSprinkler averages 3.9 out of 5 from 29 ratings, while TM+ Pro averages 3.1 from 97 ratings.

### Do OpenSprinkler or TM+ Pro have ads?

Neither OpenSprinkler nor TM+ Pro shows ads.

### Which is updated more often, OpenSprinkler or TM+ Pro?

OpenSprinkler ships an update every 2 months, and TM+ Pro every 2 months. Most recently, OpenSprinkler was updated on September 19, 2026 and TM+ Pro on September 22, 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.*