Dr. DE vs RAVAD EVV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dr. DE
This mobile toolbox simplifies complex drilling engineering calculations. It offers a comprehensive suite of 29 functions across 11 categories, eliminating the need for handbooks and improving efficiency for engineers and technicians.
- 29 drilling engineering functions
- 11 functional groups
- Bit hydraulics calculations
- Hole cleaning analysis
- Well control solutions
- Unit conversion tools
- Tank capacity calculations
Read full descriptionHide full description
Do you want to solve drilling engineering problems in seconds? It is easier than ever before to use Dr. DE Lite mobile app, a must-have toolbox app that includes a substantial collection of functions for every drilling engineer and technician. Bid farewell to flipping through handbooks, textbooks, standards, etc. for answers. This free app, sophisticated yet simple to use, not only saves time and money, but also makes your engineering and sales efforts more reliable and professional. The Dr. DE Lite app is equipped with 29 functions that are divided into 11 groups. --Bit Hydraulics --Casing Centralizer --Hole Cleaning --Hydraulics --Mud Additives --Pipe --Pump --Tank Capacity --Volume and Capacity --Well Control --Unit Conversion
RAVAD EVV
This application provides electronic visit verification services for home health agencies. It allows for real-time tracking and documentation of caregiver visits. Ensure compliance and streamline operations with this essential tool.
- Electronic Visit Verification
- Real-time tracking
- Documentation of caregiver visits
- Streamlined operations
- Compliance assurance
Read full descriptionHide full description
Electronic Visit Verification RAVAD Software
Screenshots
Verdict
The clearest difference is rating: RAVAD EVV at 5.0 against Dr. DE's 4.5. RAVAD EVV also leads on iOS requirement (11.0 vs 15.6). Dr. DE's advantage is update cadence (every 3 months vs every 9 months) and ratings volume (15 vs 1). On price, ads, in-app purchases and monetization model 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.
RAVAD EVV holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Dr. DE has 15 ratings behind it against 1, so its average is the more settled of the two.
Dr. DE ships an update every 3 months, RAVAD EVV every 9 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | Dr. DE | RAVAD EVV |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (15 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 3 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | RAVAD Software LLC |
Customer experience
Dr. DE
RAVAD EVV
In-app purchases
Dr. DE
No in-app purchases
RAVAD EVV
No in-app purchases









