# WellLink™ RT for iPhone vs Corva Legacy

The clearest difference is rating: Corva Legacy at 5.0 against WellLink™ RT for iPhone's 4.2. Corva Legacy also leads on ratings volume (15 vs 5). WellLink™ RT for iPhone's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support 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 4.2. Both are backed by a comparable volume of ratings — 5 and 15 respectively.

WellLink™ RT for iPhone ships an update every 3 months, Corva Legacy every 2 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | WellLink™ RT for iPhone | Corva Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/welllink-rt-for-iphone/id880647558/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/corva-legacy/id1194184159/reviews)** |
| Number of ratings | 5 | **15** |
| Positive reviews | 100.0% 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 | 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 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 for iPhone free?

WellLink™ RT for iPhone 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 for iPhone or Corva Legacy?

Corva Legacy is rated higher. WellLink™ RT for iPhone averages 4.2 out of 5 from 5 ratings, while Corva Legacy averages 5.0 from 15 ratings.

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

Corva Legacy shows ads; WellLink™ RT for iPhone does not.

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

WellLink™ RT for iPhone ships an update every 3 months, and Corva Legacy every 2 months. Most recently, WellLink™ RT for iPhone was updated on October 16, 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.*