# Proest vs agFlier Pro

The clearest difference is review sentiment: Proest at 100% against agFlier Pro's 50%. agFlier Pro's advantage is update cadence (every 8 days vs every 3 months) and monetization model (free vs freemium). On price, ads, in-app purchases 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 and agFlier Pro sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Proest ships an update every 3 months, agFlier Pro every 8 days. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Proest | agFlier Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Freemium | **Free** |
| Size | 138 MB | 42 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Proest Tecnologias Integradas Ltda](https://appshunter.io/developer/1460280977) | [OGN Technology LTDA](https://appshunter.io/developer/932884412) |

## 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 |


### agFlier Pro

[App page](https://appshunter.io/ios/app/agflier-pro/id1533534818)

This application helps agricultural aviation operators manage their operations. It allows users to create and measure polygons, simulate application directions, plot wind direction, and share defined areas.

**Highlights:** Create polygons and multipolygons, Measure areas, Simulate application direction, Plot wind direction, Share areas

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months subscription | $17.99 | one-time |
| 6 months | $29.99 | one-time |
| 1 year | $40.99 | one-time |


## Frequently asked questions

### Is Proest free?

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

### Is agFlier Pro free?

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

### Do Proest or agFlier Pro have ads?

Neither Proest nor agFlier Pro shows ads.

### Which is updated more often, Proest or agFlier Pro?

Proest ships an update every 3 months, and agFlier Pro every 8 days. Most recently, Proest was updated on September 23, 2026 and agFlier Pro on October 1, 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.*