# TankMix vs Soil Test Pro

The clearest difference is rating: TankMix at 5.0 against Soil Test Pro's 3.7. TankMix also leads on review sentiment (83% vs 43%) and iOS requirement (10.1 vs 15.6). Soil Test Pro's advantage is update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.

TankMix holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 14 respectively. Written reviews point the same way: 83% of TankMix's written reviews are positive against 43% of Soil Test Pro's.

TankMix ships an update every 6 months, Soil Test Pro every 2 months. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TankMix | Soil Test Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/tankmix/id348144450/reviews)** | [3.7 (14 ratings)](https://appshunter.io/ios/app/soil-test-pro/id485742991/reviews) |
| Number of ratings | 6 | **14** |
| Positive reviews | **83.3% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 4 MB | 24 MB |
| Requires iOS | **10.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Corteva, Inc.](https://appshunter.io/developer/1452849724) | [TapLogic, LLC](https://appshunter.io/developer/464313028) |

## What reviewers say

### TankMix

[App page](https://appshunter.io/ios/app/tankmix/id348144450)

This application helps users calculate product and water amounts for treating field areas. It supports various units of measure and allows for decimal or fractional input.

**Highlights:** Calculate product needed for field area, Calculate water needed for field area, Calculate product for specific tank size, Calculate desired Volume to Volume ratio, Supports decimal and fractional input, Wide selection of units of measure

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TankMix free?

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

### Is Soil Test Pro free?

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

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

TankMix is rated higher. TankMix averages 5.0 out of 5 from 6 ratings, while Soil Test Pro averages 3.7 from 14 ratings.

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

Neither TankMix nor Soil Test Pro shows ads.

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

TankMix ships an update every 6 months, and Soil Test Pro every 2 months. Most recently, TankMix was updated on September 30, 2026 and Soil Test Pro on October 9, 2026.

---

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