# WellLink™ RT vs Corva Legacy

The clearest difference is rating: Corva Legacy at 5.0 against WellLink™ RT's 3.0. Corva Legacy also leads on ratings volume (15 vs 2) and device support (3 vs 1). WellLink™ RT's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

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

Corva Legacy holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Corva Legacy has 15 ratings behind it against 2, so its average is the more settled of the two.

WellLink™ RT ships an update every 3 months, Corva Legacy every 2 months. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | WellLink™ RT | Corva Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/welllink-rt/id564252641/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/corva-legacy/id1194184159/reviews)** |
| Number of ratings | 2 | **15** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 36 MB | 37 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPad | **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

[App page](https://appshunter.io/ios/app/welllink-rt/id564252641)

Access real-time well data securely from your iPad. View well summaries, rig status, and past activity. Customize dashboards with widgets, plots, and tables, and set alarms for critical data.

**Highlights:** Real-time well data access, My Wells screen with rig status, Customizable dashboard displays, Interactive well trajectory plots, Audio and visual data alarms, Log display with zoom and scroll

**Features:** macOS Compatibility

**In-app purchases:** none


### Corva Legacy

[App page](https://appshunter.io/ios/app/corva-legacy/id1194184159)

This platform provides real-time data and analytics for the oil and gas industry. It enables customers and vendors to build custom applications and dashboards for enhanced drilling and completion operations.

**Highlights:** Real-time data and analytics, App and dashboard development, Drilling operations enhancement, Completion operations improvement, Customer and vendor collaboration

**In-app purchases:** none


## Frequently asked questions

### Is WellLink™ RT free?

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

### Is Corva Legacy free?

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

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

Corva Legacy is rated higher. WellLink™ RT averages 3.0 out of 5 from 2 ratings, while Corva Legacy averages 5.0 from 15 ratings.

### Do WellLink™ RT or Corva Legacy have ads?

Corva Legacy shows ads; WellLink™ RT does not.

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

WellLink™ RT ships an update every 3 months, and Corva Legacy every 2 months. Most recently, WellLink™ RT was updated on October 18, 2026 and Corva Legacy on October 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.*