# Vicon Spreading Charts vs Microvent Alert

The clearest difference is iOS requirement: Microvent Alert at 13.0 against Vicon Spreading Charts's 15.6. 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.

Vicon Spreading Charts ships an update every 18 months, Microvent Alert every 20 months. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Vicon Spreading Charts | Microvent Alert |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 18 months** | Every 20 months |
| Monetization | Free | — |
| Size | 29 MB | 4 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kverneland Group](https://appshunter.io/developer/480122005) | [Gorman Controls](https://appshunter.io/developer/955187363) |

## What reviewers say

### Vicon Spreading Charts

[App page](https://appshunter.io/ios/app/vicon-spreading-charts/id910939321)

This application provides guidance for accurately setting up agricultural spreaders to optimize mineral input usage. It offers direct access to the latest testing results and expert experience for various fertilizer types, simplifying the setup process for Vicon fertilizer spreaders.

**Highlights:** Accurate spreader setup guidance, Optimized mineral input usage, Direct access to latest testing results, Expert fertilizer experience, Supports common fertilizer types, Anytime, anyplace access

**Features:** macOS Compatibility

**In-app purchases:** none


### Microvent Alert

[App page](https://appshunter.io/ios/app/microvent-alert/id955187364)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vicon Spreading Charts free?

Vicon Spreading Charts is free to download, with no in-app purchases.

### Is Microvent Alert free?

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

### Do Vicon Spreading Charts or Microvent Alert have ads?

Neither Vicon Spreading Charts nor Microvent Alert shows ads.

### Which is updated more often, Vicon Spreading Charts or Microvent Alert?

Vicon Spreading Charts ships an update every 18 months, and Microvent Alert every 20 months. Most recently, Vicon Spreading Charts was updated on October 21, 2026 and Microvent Alert on October 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.*