Workover Assistant vs ECD Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Workover Assistant
This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.
- Hydrostatic pressure calculations
- Internal capacity calculations
- Oil and gas well workover tools
- Rig site and office utility
- Accurate field calculations
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Workover Assistant is designed to help field personnel perform quick, accurate calculations related to oil and gas well workovers. It includes tools for hydrostatic pressure, internal capacity, and other common workover functions—making it a handy companion for the rig site or office.
ECD Calculator
This utility app assists drilling and mud engineers in calculating Equivalent Circulating Density (ECD) at any point during operations. It offers a streamlined process with just a few clicks.
- ECD calculation
- Drilling engineering
- Mud engineering
- Point-of-operation calculation
- Streamlined interface
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ECD calculator help drilling and mud engineers calculate the ECD at any point with a few click
Screenshots
Verdict
The clearest difference is in-app purchases: Workover Assistant at none against ECD Calculator's 2. ECD Calculator's advantage is update cadence (every 5 days vs every 58 months). On price, rating, ratings volume 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. ECD Calculator sells 2 one-off in-app purchases. Workover Assistant asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Workover Assistant against 5.0 for ECD Calculator. Both are backed by a comparable volume of ratings — 2 and 5 respectively.
Workover Assistant ships an update every 58 months, ECD Calculator every 5 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.
| Parameter | Workover Assistant | ECD Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 58 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 45 MB |
| Age rating | 4+ | 17+ |
| Developer | Kelly Gayneaux | Drillsoft LLC |
Customer experience
Workover Assistant
ECD Calculator
In-app purchases
Workover Assistant
No in-app purchases
ECD Calculator
- 50 credits$3.99
- 300 Credits$9.99
Questions
Is Workover Assistant free?
Is ECD Calculator free?
Which has better reviews, Workover Assistant or ECD Calculator?
Do Workover Assistant or ECD Calculator have ads?
Which is updated more often, Workover Assistant or ECD Calculator?
Other comparisons
