Dr. DE vs Sanvean RSS Downlink Timer
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
Sanvean RSS Downlink Timer
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Timer for steps required for programming the Sanvean RSS tool downhole using RPM and Flow.
Screenshots
Verdict
The clearest difference is update cadence: Dr. DE at every 3 months against Sanvean RSS Downlink Timer's every 10 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, Sanvean RSS Downlink Timer every 10 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.
| Parameter | Dr. DE | Sanvean RSS Downlink Timer |
|---|---|---|
| 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 — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 33 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | Sanvean Technologies LLC |
In-app purchases
Dr. DE
No in-app purchases
Sanvean RSS Downlink Timer
No in-app purchases
Questions
Is Dr. DE free?
Is Sanvean RSS Downlink Timer free?
Do Dr. DE or Sanvean RSS Downlink Timer have ads?
Which is updated more often, Dr. DE or Sanvean RSS Downlink Timer?
Other comparisons
