# Proest vs SprayMax Scan

The clearest difference is in-app purchases: SprayMax Scan at none against Proest's 2. SprayMax Scan also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Proest sells 2 in-app purchases, starting at $49.99 per month. SprayMax Scan asks for nothing beyond the download.

Proest ships an update every 3 months, SprayMax Scan every 6 weeks. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Proest | SprayMax Scan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Freemium | — |
| Size | 138 MB | 48 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Proest Tecnologias Integradas Ltda](https://appshunter.io/developer/1460280977) | [FarmGO Agro Solutions Ltda](https://appshunter.io/developer/1361250578) |

## What reviewers say

### Proest

[App page](https://appshunter.io/ios/app/proest/id1460280978)

This app empowers agronomists and rural producers with field data access and collection tools. It connects to the agX Platform for offline data availability and sharing, enabling informed decision-making in agriculture.

**Highlights:** Field surveys for pest monitoring and photo records, Create and share recommendations, Generate PDF reports, Soil sampling with various methods, View fertilizer and nutrient recommendations, Export data as Shapefile, Hourly rainfall updates

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mensal | $49.99 | per month |
| Premium Annual | $499.99 | per year |


### SprayMax Scan

[App page](https://appshunter.io/ios/app/spraymax-scan/id6468300023)

**In-app purchases:** none


## Frequently asked questions

### Is Proest free?

Proest is free to download, with in-app purchases available.

### Is SprayMax Scan free?

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

### Do Proest or SprayMax Scan have ads?

Neither Proest nor SprayMax Scan shows ads.

### Which is updated more often, Proest or SprayMax Scan?

Proest ships an update every 3 months, and SprayMax Scan every 6 weeks. Most recently, Proest was updated on September 23, 2026 and SprayMax Scan on October 7, 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.*