# Soil Test Pro vs iYield

The clearest difference is price: Soil Test Pro at Free against iYield's $2.99. Soil Test Pro also leads on ratings volume (14 vs 1). iYield's advantage is rating (5.0 vs 3.7) and update cadence (every 8 days vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Soil Test Pro is free to download; iYield costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iYield holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Soil Test Pro has 14 ratings behind it against 1, so its average is the more settled of the two.

Soil Test Pro ships an update every 2 months, iYield every 8 days. The most recent releases landed on October 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Soil Test Pro | iYield |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.7 (14 ratings)](https://appshunter.io/ios/app/soil-test-pro/id485742991/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iyield/id6444737177/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Paid |
| Size | 24 MB | 5 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TapLogic, LLC](https://appshunter.io/developer/464313028) | [Scott Mygind](https://appshunter.io/developer/1656533344) |

## 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


### iYield

[App page](https://appshunter.io/ios/app/iyield/id6444737177)

Calculate corn and soybean yields using key agricultural metrics. Input moisture, weight, length, and row spacing to get an estimated harvest.

**Highlights:** Corn yield estimation, Soybean yield estimation, Moisture input, Weight input, Row spacing input

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Soil Test Pro free?

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

### Is iYield free?

iYield costs $2.99, with no in-app purchases.

### Which has better reviews, Soil Test Pro or iYield?

iYield is rated higher. Soil Test Pro averages 3.7 out of 5 from 14 ratings, while iYield averages 5.0 from 1 ratings.

### Do Soil Test Pro or iYield have ads?

Neither Soil Test Pro nor iYield shows ads.

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

Soil Test Pro ships an update every 2 months, and iYield every 8 days. Most recently, Soil Test Pro was updated on October 9, 2026 and iYield on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*