# Soil Test Pro vs Spray Rates

The clearest difference is in-app purchases: Soil Test Pro at none against Spray Rates's 1. Soil Test Pro also leads on ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Spray Rates sells 1 one-off in-app purchase. Soil Test Pro asks for nothing beyond the download.

Soil Test Pro ships an update every 2 months, Spray Rates every 9 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Soil Test Pro | Spray Rates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (14 ratings)](https://appshunter.io/ios/app/soil-test-pro/id485742991/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | — |
| Size | 24 MB | 31 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TapLogic, LLC](https://appshunter.io/developer/464313028) | [PITCHLINKS LIMITED](https://appshunter.io/developer/1593816127) |

## What reviewers say

### Soil Test Pro

[App page](https://appshunter.io/ios/app/soil-test-pro/id485742991)

Streamline your soil sampling process with this app. It offers GPS field boundary drawing, offline capabilities, and direct integration with leading monitors for fertilizer recommendations and controller files. Access lab results and historical data easily.

**Highlights:** GPS field boundary drawing, Offline work capability, Lab results in 5-7 days, Fertilizer recommendations, Controller file export, Soil testing history, Aerial imagery

**Features:** Vision Pro support

**In-app purchases:** none


### Spray Rates

[App page](https://appshunter.io/ios/app/spray-rates/id1593815945)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spray Rates Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Soil Test Pro free?

Soil Test Pro is free to download, with no in-app purchases.

### Is Spray Rates free?

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

### Do Soil Test Pro or Spray Rates have ads?

Spray Rates shows ads; Soil Test Pro does not.

### Which is updated more often, Soil Test Pro or Spray Rates?

Soil Test Pro ships an update every 2 months, and Spray Rates every 9 months. Most recently, Soil Test Pro was updated on November 1, 2026 and Spray Rates on November 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.*