# EarthOptics Sampling vs MZ1

The clearest difference is update cadence: EarthOptics Sampling at every 8 days against MZ1's every 35 months. MZ1's advantage is iOS requirement (13.0 vs 18.0). 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.

EarthOptics Sampling ships an update every 8 days, MZ1 every 35 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | EarthOptics Sampling | MZ1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/earthoptics-sampling/id1471211352/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 35 months |
| Monetization | Free | — |
| Size | 92 MB | 51 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Pattern Ag, Inc.](https://appshunter.io/developer/1471211351) | [Robert Springett](https://appshunter.io/developer/1714410450) |

## What reviewers say

### EarthOptics Sampling

[App page](https://appshunter.io/ios/app/earthoptics-sampling/id1471211352)

This application assists field professionals in executing soil sampling protocols with precision. It leverages advanced soil data and services, including in-field sensing and laboratory testing, to provide comprehensive soil management data.

**Highlights:** Soil attribute measurement and quantification, In-field proximal sensing, Laboratory testing integration, Field sampling protocol execution, Soil management data products

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

**In-app purchases:** none


### MZ1

[App page](https://appshunter.io/ios/app/mz1/id6471974558)

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

**In-app purchases:** none


## Frequently asked questions

### Is EarthOptics Sampling free?

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

### Is MZ1 free?

MZ1 is free to download, with no in-app purchases.

### Do EarthOptics Sampling or MZ1 have ads?

Neither EarthOptics Sampling nor MZ1 shows ads.

### Which is updated more often, EarthOptics Sampling or MZ1?

EarthOptics Sampling ships an update every 8 days, and MZ1 every 35 months. Most recently, EarthOptics Sampling was updated on November 3, 2026 and MZ1 on November 4, 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.*