# Strayos Fielder vs Epiroc DTH Optimizer

The clearest difference is rating: Epiroc DTH Optimizer at 5.0 against Strayos Fielder's 2.9. Strayos Fielder's advantage is ratings volume (7 vs 1) and update cadence (every 2 weeks vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Epiroc DTH Optimizer holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Strayos Fielder has 7 ratings behind it against 1, so its average is the more settled of the two.

Strayos Fielder ships an update every 2 weeks, Epiroc DTH Optimizer every 3 weeks. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Strayos Fielder | Epiroc DTH Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (7 ratings)](https://appshunter.io/ios/app/strayos-fielder/id1592711060/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epiroc-dth-optimizer/id6566178855/reviews)** |
| Number of ratings | **7** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 70 MB | 65 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airzaar](https://appshunter.io/developer/1592711062) | [Epiroc Rock Drills AB](https://appshunter.io/developer/1420003769) |

## What reviewers say

### Strayos Fielder

[App page](https://appshunter.io/ios/app/strayos-fielder/id1592711060)

This app replaces paper drill logs with a digital solution for capturing and managing field data. It offers real-time progress updates and automated reporting for managers, enabling operational improvements and blast performance optimization.

**Highlights:** Digital drill log capture, Real-time progress updates, Automated performance reporting, Flexible shot plan import/creation, Rich hole data entry, Offline mode with syncing, Collaboration tools

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

**In-app purchases:** none


### Epiroc DTH Optimizer

[App page](https://appshunter.io/ios/app/epiroc-dth-optimizer/id6566178855)

This system monitors DTH drilling in real time, displaying data graphically to help operators maximize productivity and efficiency. It provides easy-to-interpret insights for optimized drilling performance.

**Highlights:** Real-time vibration sensing, DTH drilling monitoring, Graphical data display, Operator guidance, Productivity maximization, Efficiency improvement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strayos Fielder free?

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

### Is Epiroc DTH Optimizer free?

Epiroc DTH Optimizer is free to download, with no in-app purchases.

### Which has better reviews, Strayos Fielder or Epiroc DTH Optimizer?

Epiroc DTH Optimizer is rated higher. Strayos Fielder averages 2.9 out of 5 from 7 ratings, while Epiroc DTH Optimizer averages 5.0 from 1 ratings.

### Do Strayos Fielder or Epiroc DTH Optimizer have ads?

Neither Strayos Fielder nor Epiroc DTH Optimizer shows ads.

### Which is updated more often, Strayos Fielder or Epiroc DTH Optimizer?

Strayos Fielder ships an update every 2 weeks, and Epiroc DTH Optimizer every 3 weeks. Most recently, Strayos Fielder was updated on September 24, 2026 and Epiroc DTH Optimizer on June 1, 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.*