# SoilHue vs RiegoAppArg

The clearest difference is update cadence: RiegoAppArg at every 4 days against SoilHue's every 2 months. RiegoAppArg also leads on iOS requirement (15.1 vs 17.6). 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.

SoilHue ships an update every 2 months, RiegoAppArg every 4 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | SoilHue | RiegoAppArg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/soilhue/id6744872595/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 3 MB | 61 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Antonio J. Gonzalez](https://appshunter.io/developer/667099261) | [Luciano Nico Acosta](https://appshunter.io/developer/1409909480) |

## What reviewers say

### SoilHue

[App page](https://appshunter.io/ios/app/soilhue/id6744872595)

This app analyzes soil color from photographs, providing Munsell notation and an approximate USDA soil order. It offers advanced camera calibration and on-device processing for privacy. Ideal for professionals and students working with soil.

**Highlights:** Soil color identification from photos, Munsell notation and USDA soil order, Advanced camera calibration, On-device image analysis, Export data to .xlsx, Lighting condition check

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

**In-app purchases:** none


### RiegoAppArg

[App page](https://appshunter.io/ios/app/riegoapparg/id6771389482)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoilHue free?

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

### Is RiegoAppArg free?

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

### Do SoilHue or RiegoAppArg have ads?

Neither SoilHue nor RiegoAppArg shows ads.

### Which is updated more often, SoilHue or RiegoAppArg?

SoilHue ships an update every 2 months, and RiegoAppArg every 4 days. Most recently, SoilHue was updated on October 30, 2026 and RiegoAppArg on November 10, 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.*