# WellDrive vs Corva Legacy

The clearest difference is ads: WellDrive at none against Corva Legacy's shown. WellDrive also leads on monetization model (free vs ad-supported) and iOS requirement (11.0 vs 14.0). Corva Legacy's advantage is update cadence (every 2 months vs every 9 months) and ratings volume (15 vs 2). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for WellDrive against 5.0 for Corva Legacy. 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.

WellDrive ships an update every 9 months, Corva Legacy every 2 months. The most recent releases landed on September 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | WellDrive | Corva Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/welldrive/id869205638/reviews) | [5.0 (15 ratings)](https://appshunter.io/ios/app/corva-legacy/id1194184159/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 44 MB | 37 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WellDrive](https://appshunter.io/developer/1312911913) | [Corva](https://appshunter.io/developer/1194184158) |

## What reviewers say

### WellDrive

[App page](https://appshunter.io/ios/app/welldrive/id869205638)

Access and manage well-related documents and files directly from your mobile device. Browse entries, download necessary files, and upload new documents or edits made in other applications.

**Highlights:** Browse wells, entries, and files, Download documents, Upload files, Edit and upload documents

**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 WellDrive free?

WellDrive 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, WellDrive or Corva Legacy?

WellDrive and Corva Legacy are both rated 5.0 out of 5 on the App Store, from 2 and 15 ratings respectively.

### Do WellDrive or Corva Legacy have ads?

Corva Legacy shows ads; WellDrive does not.

### Which is updated more often, WellDrive or Corva Legacy?

WellDrive ships an update every 9 months, and Corva Legacy every 2 months. Most recently, WellDrive was updated on September 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.*