Dr. DE vs Workover Assistant
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
Workover Assistant
This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.
- Hydrostatic pressure calculations
- Internal capacity calculations
- Oil and gas well workover tools
- Rig site and office utility
- Accurate field calculations
Read full descriptionHide full description
Workover Assistant is designed to help field personnel perform quick, accurate calculations related to oil and gas well workovers. It includes tools for hydrostatic pressure, internal capacity, and other common workover functions—making it a handy companion for the rig site or office.
Screenshots
Verdict
The clearest difference is rating: Workover Assistant at 5.0 against Dr. DE's 4.5. Dr. DE's advantage is update cadence (every 3 months vs every 58 months) and ratings volume (16 vs 2). 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.
Workover Assistant holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Dr. DE has 16 ratings behind it against 2, so its average is the more settled of the two.
Dr. DE ships an update every 3 months, Workover Assistant every 58 months. The most recent releases landed on July 18, 2026 and June 5, 2026 respectively.
| Parameter | Dr. DE | Workover Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (16 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 3 months — better | Every 58 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 33 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | Kelly Gayneaux |
Customer experience
Dr. DE
Workover Assistant
In-app purchases
Dr. DE
No in-app purchases
Workover Assistant
No in-app purchases
Questions
Is Dr. DE free?
Is Workover Assistant free?
Which has better reviews, Dr. DE or Workover Assistant?
Do Dr. DE or Workover Assistant have ads?
Which is updated more often, Dr. DE or Workover Assistant?
Other comparisons
