# WellLink™ RT for iPhone vs Corva

The clearest difference is rating: Corva at 5.0 against WellLink™ RT for iPhone's 4.2. Corva also leads on update cadence (every 9 days vs every 3 months). WellLink™ RT for iPhone's advantage is monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.1). 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.

Corva holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

WellLink™ RT for iPhone ships an update every 3 months, Corva every 9 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WellLink™ RT for iPhone | Corva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/welllink-rt-for-iphone/id880647558/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/corva/id6736755978/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | **Free** | Ad-supported |
| Size | 36 MB | 179 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Baker Hughes Company](https://appshunter.io/developer/393570118) | [Corva](https://appshunter.io/developer/1194184158) |

## What reviewers say

### WellLink™ RT for iPhone

[App page](https://appshunter.io/ios/app/welllink-rt-for-iphone/id880647558)

Access real-time well data securely from your mobile device. Monitor well status, view data displays, and set custom alarms for timely decision-making and improved performance in the field.

**Highlights:** Secure real-time well data access, My Wells screen with rig status, Customizable dashboard displays, Interactive well trajectory plot, Configurable audio and visual alarms, Customizable log displays with zoom/scroll

**Features:** macOS Compatibility

**In-app purchases:** none


### Corva

[App page](https://appshunter.io/ios/app/corva/id6736755978)

This app provides real-time drilling and completions optimization for the oil and gas industry. It offers dynamic visualizations and data-driven insights to enhance operational efficiency and well performance.

**Highlights:** Digital Drilling visualization, Digital Completions operations view, Real-time drilling dynamics tracking, Treatment Plot for wellhead pressure and fluid volumes, AI-powered tools for operational excellence

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

**In-app purchases:** none


## Frequently asked questions

### Is WellLink™ RT for iPhone free?

WellLink™ RT for iPhone is free to download, with no in-app purchases.

### Is Corva free?

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

### Which has better reviews, WellLink™ RT for iPhone or Corva?

Corva is rated higher. WellLink™ RT for iPhone averages 4.2 out of 5 from 5 ratings, while Corva averages 5.0 from 2 ratings.

### Do WellLink™ RT for iPhone or Corva have ads?

Neither WellLink™ RT for iPhone nor Corva shows ads.

### Which is updated more often, WellLink™ RT for iPhone or Corva?

WellLink™ RT for iPhone ships an update every 3 months, and Corva every 9 days. Most recently, WellLink™ RT for iPhone was updated on October 1, 2026 and Corva on October 14, 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.*