# RKI OPLS vs FieldOpsPro

The clearest difference is update cadence: FieldOpsPro at weekly against RKI OPLS's every 2 months. FieldOpsPro also leads on ratings volume (15 vs 1). RKI OPLS's advantage is iOS requirement (16.0 vs 18.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for RKI OPLS against 5.0 for FieldOpsPro. That said, the two scores are not equally well evidenced: FieldOpsPro has 15 ratings behind it against 1, so its average is the more settled of the two.

RKI OPLS ships an update every 2 months, FieldOpsPro weekly. The most recent releases landed on September 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RKI OPLS | FieldOpsPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rki-opls/id1502872792/reviews) | [5.0 (15 ratings)](https://appshunter.io/ios/app/fieldopspro/id6478894160/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 55 MB | 30 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RKI Instruments, Inc.](https://appshunter.io/developer/1501378948) | [BEE REST TECHNOLOGIES LLC](https://appshunter.io/developer/1730810948) |

## What reviewers say

### RKI OPLS

[App page](https://appshunter.io/ios/app/rki-opls/id1502872792)

Monitor readings and detector status for RKI's OPLS detector. Adjust operational parameters remotely. Essential for managing environmental monitoring equipment.

**Highlights:** View detector readings, Check detector status, Change operation parameters, Remote monitoring, Device management

**Features:** macOS Compatibility

**In-app purchases:** none


### FieldOpsPro

[App page](https://appshunter.io/ios/app/fieldopspro/id6478894160)

Streamline field service operations with this comprehensive app. Document jobs with photos and AI-powered notes, manage schedules, and generate professional estimates and invoices directly from your mobile device.

**Highlights:** Job site photo and video capture, Image markup for documentation, AI-powered voice-to-note transcription, Daily job scheduling and details, Estimate and invoice generation, Fast payment processing

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

**In-app purchases:** none


## Frequently asked questions

### Is RKI OPLS free?

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

### Is FieldOpsPro free?

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

### Which has better reviews, RKI OPLS or FieldOpsPro?

RKI OPLS and FieldOpsPro are both rated 5.0 out of 5 on the App Store, from 1 and 15 ratings respectively.

### Do RKI OPLS or FieldOpsPro have ads?

Neither RKI OPLS nor FieldOpsPro shows ads.

### Which is updated more often, RKI OPLS or FieldOpsPro?

RKI OPLS ships an update every 2 months, and FieldOpsPro weekly. Most recently, RKI OPLS was updated on September 25, 2026 and FieldOpsPro on October 24, 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.*