Dr. DE vs FIELDKIT
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
FIELDKIT
Read full descriptionHide full description
FIELDKIT is a practical drilling calculation toolkit designed for field use. Perform essential drilling and well-control calculations quickly using either SI or oilfield units. Included tools: • Hydrostatic Pressure • Mud Weight • Equivalent Circulating Density (ECD) • Kill Mud Weight • Annular Volume • Pipe Capacity • Pipe Displacement • Triplex Pump Output • Bottoms Up • Trip Fill FIELDKIT also includes: • Well Profile management • Job and shift notes • Calculation history • PDF report generation • Drilling formulas and unit conversions • Offline operation FIELDKIT Pro unlocks the complete toolkit with a one-time purchase. No subscription is required. FIELDKIT is intended as a calculation and reference aid. Users remain responsible for verifying all inputs, calculations, and operational decisions according to applicable procedures and standards.
Screenshots
Verdict
The clearest difference is in-app purchases: Dr. DE at none against FIELDKIT's 1. On price, ads, device support and iOS requirement 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. FIELDKIT sells 1 one-off in-app purchase. Dr. DE asks for nothing beyond the download.
| Parameter | Dr. DE | FIELDKIT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (15 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.2 |
| Further details — not scored | ||
| Size | 33 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | Abibulla Kurbanov |
In-app purchases
Dr. DE
No in-app purchases
FIELDKIT
- FIELDKIT Pro Lifetime$9.99








