# VSI Spray Control vs One Onsite

The clearest difference is rating: VSI Spray Control at 4.6 against One Onsite's 2.6. VSI Spray Control also leads on iOS requirement (13.6 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

VSI Spray Control holds the better App Store score, 4.6 against 2.6. Both are backed by a comparable volume of ratings — 175 and 98 respectively. Written reviews point the same way: 25% of VSI Spray Control's written reviews are positive against 23% of One Onsite's.

VSI Spray Control ships an update every 3 weeks, One Onsite every 5 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | VSI Spray Control | One Onsite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (175 ratings)](https://appshunter.io/ios/app/vsi-spray-control/id1531591443/reviews)** | [2.6 (98 ratings)](https://appshunter.io/ios/app/one-onsite/id1642547378/reviews) |
| Number of ratings | **175** | 98 |
| Positive reviews | **25.0% of reviews** | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 17 MB | 117 MB |
| Requires iOS | **13.6** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Voigt Smith Innovation LLC](https://appshunter.io/developer/1529673044) | [SMS Assist, LLC.](https://appshunter.io/developer/616469901) |

## What reviewers say

### VSI Spray Control

[App page](https://appshunter.io/ios/app/vsi-spray-control/id1531591443)

Control your VSI sprayer with advanced features like auto rate control using sensor and GPS data. Track your usage and gain a digital edge over competitors.

**Highlights:** Operate VSI sprayer, Auto rate control, Sensor data integration, GPS data integration, Usage tracking, CSV data export

**In-app purchases:** none


### One Onsite

[App page](https://appshunter.io/ios/app/one-onsite/id1642547378)

This app assists facilities maintenance technicians in completing work orders efficiently. It provides detailed information, guides users to locations, and streamlines data collection for back-office reporting. The application is designed for ease of use with minimal training required.

**Highlights:** View daily work orders, Access issue and location details, Review historical service information, Guided task completion flow, Offline and low-connectivity performance, Faster data upload, Battery optimization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VSI Spray Control free?

VSI Spray Control is free to download, with no in-app purchases.

### Is One Onsite free?

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

### Which has better reviews, VSI Spray Control or One Onsite?

VSI Spray Control is rated higher. VSI Spray Control averages 4.6 out of 5 from 175 ratings, while One Onsite averages 2.6 from 98 ratings.

### Do VSI Spray Control or One Onsite have ads?

Neither VSI Spray Control nor One Onsite shows ads.

### Which is updated more often, VSI Spray Control or One Onsite?

VSI Spray Control ships an update every 3 weeks, and One Onsite every 5 weeks. Most recently, VSI Spray Control was updated on October 15, 2026 and One Onsite on October 21, 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.*