# FertAdvisor vs How to Win Friends

The clearest difference is update cadence: How to Win Friends at every 2 months against FertAdvisor's every 10 months. FertAdvisor's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

FertAdvisor ships an update every 10 months, How to Win Friends every 2 months. The most recent releases landed on October 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FertAdvisor | How to Win Friends |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fertadvisor/id1454017899/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 65 MB | 6 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [University of Connecticut](https://appshunter.io/developer/552022925) | [Jip van der Heide](https://appshunter.io/developer/1798505554) |

## What reviewers say

### FertAdvisor

[App page](https://appshunter.io/ios/app/fertadvisor/id1454017899)

This app helps homeowners and turfgrass professionals calculate fertilizer needs for lawns. It provides tools for spreader calibration, label interpretation, and application guidance through animations and videos.

**Highlights:** Fertilizer amount calculation, Spreader calibration, Fertilizer label reading, Application technique guidance, Soil sampling videos, Area calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### How to Win Friends

[App page](https://appshunter.io/ios/app/how-to-win-friends/id6742457900)

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

**In-app purchases:** none


## Frequently asked questions

### Is FertAdvisor free?

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

### Is How to Win Friends free?

How to Win Friends is free to download, with no in-app purchases.

### Do FertAdvisor or How to Win Friends have ads?

Neither FertAdvisor nor How to Win Friends shows ads.

### Which is updated more often, FertAdvisor or How to Win Friends?

FertAdvisor ships an update every 10 months, and How to Win Friends every 2 months. Most recently, FertAdvisor was updated on October 12, 2026 and How to Win Friends on October 30, 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.*