Dr. DE vs unit.
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
unit.
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Meet unit., a simple converter for everyday life. Enter a number, choose a unit, and see useful answers together. EVERYDAY CONVERSIONS Convert length, weight, temperature, volume, area, speed, fuel economy and tire pressure. Keep favorite units at the top, copy a result with a tap, and reveal more conversions when you need them. HEIGHT, MADE SIMPLE Convert centimeters to feet and inches, or enter feet and inches directly. RUNNING PACE Switch between pace and finish time. Convert minutes per kilometer to minutes per mile, check treadmill speeds, and explore finish times for common race distances. CURRENCY WHEN YOU NEED IT Convert supported currencies using daily reference rates. Downloaded rates remain available offline with their original date. These are reference rates; your bank or exchange service may use different rates or charge fees. TRY EVERYTHING Start a 14-day free trial of the complete app. After the trial, a one-time Full Unlock purchase is required to continue converting. The price is shown before you start. No subscription or automatic charge. Your favorites and settings stay saved if the trial ends. Restore purchases with the Apple Account used to buy the app. No ads. No app account. Support: info@applabs.club
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Verdict
The clearest difference is in-app purchases: Dr. DE at none against unit.'s 2. unit.'s advantage is chart position (#176 vs unranked). 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. unit. sells 2 one-off in-app purchases. Dr. DE asks for nothing beyond the download.
| Parameter | Dr. DE | unit. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (16 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | — | #176 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | APP LABS LLC |
In-app purchases
Dr. DE
No in-app purchases
unit.
- 14-day TrialFree
- Full Unlock$6.99
