Dr. DE vs Mud Weight
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
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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
Mud Weight
This utility app assists oil and gas professionals with quick calculations for drilling fluid weight. It allows users to adjust parameters like specific gravity and sack weight, save preferences for different wells, and calculate material needs.
- Adjust specific gravity
- Calculate sack weight
- Manage pallet sizes
- Save mud and material preferences
- Create multiple wells
- Calculate material amounts
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Mud Weight The creators of the top-rated app, Oilfield Calendar, offer a solution to another oilfield problem. Mud Weight is designed to provide fast answers for everyday calculations. Mud Weight, a simple to use calculator for the oil and gas professional. • Adjust specific gravity, weight of sacks, and pallet sizes. • Save mud and material preferences for different wells. • From Mud Men to Derrick Men, anyone weighting up will have a new favorite app. • Built by Oilfield guys for Oilfield users, putting out the best productivity apps in the industry. How to use Mud Weight • After you set your specific gravity, sack, and pallet sizes; enter your current then desired mud density. • The amount of weight material is displayed in a variety of measurements. • Save your parameters and create more wells as needed. You’ve got your hardhat, steal toes, and safety glasses, now add Mud Weight to the essential tools you need when working in the patch. Make your calculations easy, keep your life turning to the right. ** Feel free to drop us a line! We’re always listening to your suggestions and strive to improve our apps! If you have any feedback just contact us, support@archimedesworkshop.co ** ** Are you happy with the Mud Weight app? We’d love to hear about it! Please take a moment to leave us a nice review, it truly helps us continue creating great tools for the industry. ** While you’re in the sharing mood, go ahead and post this app on Facebook too. Be Good!
Screenshots
Verdict
The clearest difference is price: Dr. DE at Free against Mud Weight's $0.99. Dr. DE also leads on rating (4.5 vs 3.0) and ratings volume (16 vs 2). Mud Weight's advantage is iOS requirement (10.0 vs 15.6). On update cadence, 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
Dr. DE is free to download; Mud Weight costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Dr. DE holds the better App Store score, 4.5 against 3.0. 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, Mud Weight every 4 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | Dr. DE | Mud Weight |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.5 (16 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 86 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | GoodStamp |
Customer experience
Dr. DE
Mud Weight
In-app purchases
Dr. DE
No in-app purchases
Mud Weight
No in-app purchases








