Pump Rate Calculator vs Dr. DE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pump Rate Calculator
This utility app helps oilfield professionals quickly calculate pump rates, volume pumped, and time spent pumping. Simply input the pump coefficient and tap along with the pump strokes for instant results.
- Calculate pump rate
- Calculate volume pumped
- Calculate time pumping
- Track time started
- Input pump coefficient
Read full descriptionHide full description
Never count strokes again! Just fill in the pump coefficient and tap along side the pump strokes and it will give you your pump rate, volume pumped, time pumping, and time started. We offer a variety of other oilfield apps including: -OilTrails - Navigation, Well Data, Weather -Hole Volumes -Tubing Stretch -Pump Rate Calculator
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
Screenshots
Verdict
The clearest difference is iOS requirement: Pump Rate Calculator at 13.0 against Dr. DE's 15.6. On price, review sentiment, update cadence and ads 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.
Pump Rate Calculator ships an update every 2 months, Dr. DE every 3 months. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.
| Parameter | Pump Rate Calculator | Dr. DE |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (15 ratings) — better |
| Positive reviews | 50.0% of reviews | 55.6% of reviews — better |
| Number of ratings | — | 15 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Ash Point Ltd. | Pegasus Vertex, Inc. |
Customer experience
Pump Rate Calculator
Dr. DE
In-app purchases
Pump Rate Calculator
No in-app purchases
Dr. DE
No in-app purchases
Questions
Is Pump Rate Calculator free?
Is Dr. DE free?
Do Pump Rate Calculator or Dr. DE have ads?
Which is updated more often, Pump Rate Calculator or Dr. DE?
Other comparisons
