# VSI Spray Control vs Attentive OnSite

The clearest difference is rating: Attentive OnSite at 5.0 against VSI Spray Control's 4.6. VSI Spray Control's advantage is ratings volume (175 vs 1) and iOS requirement (13.6 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.

Attentive OnSite holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: VSI Spray Control has 175 ratings behind it against 1, so its average is the more settled of the two.

VSI Spray Control ships an update every 3 weeks, Attentive OnSite monthly. The most recent releases landed on September 14, 2026 and July 26, 2026 respectively.

## The numbers

| Metric | VSI Spray Control | Attentive OnSite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (175 ratings)](https://appshunter.io/ios/app/vsi-spray-control/id1531591443/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/attentive-onsite/id6443751919/reviews)** |
| Number of ratings | **175** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 17 MB | 71 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) | [Attentive OS Private Limited](https://appshunter.io/developer/1649051546) |

## 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


### Attentive OnSite

[App page](https://appshunter.io/ios/app/attentive-onsite/id6443751919)

Document and view site information directly on maps, accessible anytime, anywhere. Collaborate with teammates by tagging them in notes and generate detailed reports for clients. This AI-powered software automates property measurements with high accuracy, eliminating manual guesswork.

**Highlights:** Map-based site documentation, Team collaboration with tagged notes, Automated property measurements, AI-generated measurement reports, Detailed report export, Filter notes by icon or name

**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 Attentive OnSite free?

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

### Which has better reviews, VSI Spray Control or Attentive OnSite?

Attentive OnSite is rated higher. VSI Spray Control averages 4.6 out of 5 from 175 ratings, while Attentive OnSite averages 5.0 from 1 ratings.

### Do VSI Spray Control or Attentive OnSite have ads?

Neither VSI Spray Control nor Attentive OnSite shows ads.

### Which is updated more often, VSI Spray Control or Attentive OnSite?

VSI Spray Control ships an update every 3 weeks, and Attentive OnSite monthly. Most recently, VSI Spray Control was updated on September 14, 2026 and Attentive OnSite on July 26, 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.*