# SmartSpray vs MSU Irrigation

The clearest difference is iOS requirement: SmartSpray at 12.0 against MSU Irrigation's 15.1. 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.

SmartSpray ships an update every 2 weeks, MSU Irrigation every 3 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SmartSpray | MSU Irrigation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/msu-irrigation/id6477047162/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free |
| Size | 34 MB | 82 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Nansen](https://appshunter.io/developer/1472281762) | [MICHIGAN STATE UNIVERSITY](https://appshunter.io/developer/1140154569) |

## What reviewers say

### SmartSpray

[App page](https://appshunter.io/ios/app/smartspray/id1472281763)

**Features:** macOS Compatibility

**In-app purchases:** none


### MSU Irrigation

[App page](https://appshunter.io/ios/app/msu-irrigation/id6477047162)

Plan and log irrigation field by field with data-driven recommendations. Get daily insights based on weather, ET, and crop/soil conditions. Collaborate with your team to ensure everyone is aligned on irrigation schedules.

**Highlights:** Field-by-field irrigation management, Daily recommendations based on weather and ET, Crop and soil data integration, Irrigation schedule tracking, Team collaboration features

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartSpray free?

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

### Is MSU Irrigation free?

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

### Do SmartSpray or MSU Irrigation have ads?

Neither SmartSpray nor MSU Irrigation shows ads.

### Which is updated more often, SmartSpray or MSU Irrigation?

SmartSpray ships an update every 2 weeks, and MSU Irrigation every 3 weeks. Most recently, SmartSpray was updated on October 26, 2026 and MSU Irrigation on October 16, 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.*