# EarthOptics Sampling vs Traction Field

The clearest difference is rating: Traction Field at 5.0 against EarthOptics Sampling's 4.6. Traction Field also leads on iOS requirement (16 vs 18.0). EarthOptics Sampling's advantage is update cadence (weekly vs every 2 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.

Traction Field holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

EarthOptics Sampling ships an update weekly, Traction Field every 2 months. The most recent releases landed on September 15, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | EarthOptics Sampling | Traction Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7 ratings)](https://appshunter.io/ios/app/earthoptics-sampling/id1471211352/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/traction-field/id1537267055/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 91 MB | 36 MB |
| Requires iOS | 18.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pattern Ag, Inc.](https://appshunter.io/developer/1471211351) | [Traction Ag, Inc.](https://appshunter.io/developer/1772298643) |

## 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


### Traction Field

[App page](https://appshunter.io/ios/app/traction-field/id1537267055)

Map and sample fields offline without a cellular connection. Define field boundaries, create sampling grids, and navigate to log sample locations. Export data for use in other applications.

**Highlights:** Offline field mapping, Define field boundaries, Layout sampling grid, Navigate to sample sites, Log sample locations, Export sample points

**In-app purchases:** none


## Frequently asked questions

### Is EarthOptics Sampling free?

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

### Is Traction Field free?

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

### Which has better reviews, EarthOptics Sampling or Traction Field?

Traction Field is rated higher. EarthOptics Sampling averages 4.6 out of 5 from 7 ratings, while Traction Field averages 5.0 from 3 ratings.

### Do EarthOptics Sampling or Traction Field have ads?

Neither EarthOptics Sampling nor Traction Field shows ads.

### Which is updated more often, EarthOptics Sampling or Traction Field?

EarthOptics Sampling ships an update weekly, and Traction Field every 2 months. Most recently, EarthOptics Sampling was updated on September 15, 2026 and Traction Field on June 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.*