# Soil Test Pro vs Flow

The clearest difference is iOS requirement: Flow at 9.0 against Soil Test Pro'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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Soil Test Pro | Flow |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 24 MB | 54 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TapLogic, LLC](https://appshunter.io/developer/464313028) | [Soil-Max, Inc.](https://appshunter.io/developer/1505464314) |

## 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


### Flow

[App page](https://appshunter.io/ios/app/flow-x/id1505464315)

**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 Flow free?

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

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

Neither Soil Test Pro nor Flow shows ads.

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

Soil Test Pro ships an update every 3 months, and Flow every 3 months. Most recently, Soil Test Pro was updated on September 7, 2026 and Flow on September 17, 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.*