Max Drilling vs Corva
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Max Drilling
Monitor drilling operations in real-time with instant access to active and historical well data. Visualize drilling parameters, view rig reports, and communicate securely with your team from anywhere.
- 1-second data streaming
- Customizable data visualization
- Time and depth views
- Lagged channel tracing
- Rig and well reports
- Integrated chat
- Collaborative notes
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The new Max Drilling mobile app (formerly WellData MobileRT) provides easy access to active and historical well data so you can monitor your drilling operations from wherever you are. With NOV’s edge infrastructure and M/D Totco instrumentation, your data flows securely from sensor to screen—no third parties involved—so you see it instantly, in real time, with one-second resolution. Key Features: • 1-second data streaming: View real-time drilling data on your mobile device with less than a second of lag between the rig site and your screen (excluding satellite latency). • Customizable visualization: Configure strip charts and traces with flexible options for units, scaling, and more. All tags and channels available in the RigSense Electronic Drilling Recorder (EDR) are accessible, including data from integrated applications like Drilling Beliefs & Analytics and 3rd-party survey data. • Time and depth views: Access both active and historical well data by time or depth for full operational visibility. • Lagged channel tracing: Monitor channels such as gamma ray, methane, propane, total gas, and total gas normalized. • Rig and well reports: View IADC Reports (toursheets), Drilling Contractor Morning Reports, and well information including Bit Records and BHA Summaries. • Integrated chat: Communicate instantly between the rig and other Max Drilling mobile users. • Collaborative notes: View all rig notes or add your own to the official EDR notes in the time-series data. • Secure and compliant: Built on SOC 1 Type II–audited processes and end-to-end SSL/TLS encryption for secure access from anywhere. • Rig locations: View your wells on a map for quick spatial awareness and access directions to the location. • (Coming Soon) Integrated chat: Communicate instantly between the rig and other Max Drilling mobile users. If you experience any difficulties installing or using Max Drilling, please contact the Help Desk at WellDataSupport@nov.com or 1-855-935-5328.
Corva
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.
- 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
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Discover the future of oil & gas operations with Corva, the ultimate app for real-time drilling and completions optimization. Designed for seamless collaboration and unparalleled insights, Corva empowers your team with the tools to make data-driven decisions, enhance efficiency, and maximize well performance. Key Features: Digital Drilling Visualize your rig operations dynamically and monitor critical metrics like depth, and ROP in real-time. Stay ahead with actionable insights that boost operational efficiency. Digital Completions Experience a redefined frac operations view with real-time pressure data, fleet performance metrics, and a full zipper frac overview for unparalleled decision-making. Traces Track drilling dynamics, optimize processes, and gain a deeper understanding of downhole performance with live data visualization. Treatment Plot Real-time wellhead pressure, fluid volumes, and proppant insights keep you in control and ensure optimized completions. Why Corva? From the rig floor to corporate offices, Corva bridges the gap between data and action. With cutting-edge visualizations, AI-powered tools, and unmatched transparency, your team will have everything needed to drive operational excellence. Download Corva today and elevate your oil & gas operations to a whole new level!
Screenshots
Verdict
The clearest difference is rating: Corva at 5.0 against Max Drilling's 3.2. Corva also leads on update cadence (every 10 days vs every 4 months). Max Drilling's advantage is ratings volume (22 vs 2) and monetization model (free vs ad-supported). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 3.2. That said, the two scores are not equally well evidenced: Max Drilling has 22 ratings behind it against 2, so its average is the more settled of the two.
Max Drilling ships an update every 4 months, Corva every 10 days. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.
| Parameter | Max Drilling | Corva |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (22 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 22 — better | 2 |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 208 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | NOV Inc. | Corva |
Customer experience
Max Drilling
Corva
In-app purchases
Max Drilling
No in-app purchases
Corva
No in-app purchases








