Dr. DE vs FormateHub
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
FormateHub
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Your favourite calculators now in the palm of your hand! Download and use DensiCalc, PVTCalc and BufferCalc now free of charge. The same calculators you use and love but even better.
Screenshots
Verdict
The clearest difference is update cadence: FormateHub at every 4 weeks against Dr. DE's every 3 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Dr. DE ships an update every 3 months, FormateHub every 4 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | Dr. DE | FormateHub |
|---|---|---|
| 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 | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 33 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | Sinomine Specialty Fluids Ltd |
In-app purchases
Dr. DE
No in-app purchases
FormateHub
No in-app purchases
