IADC Conferences vs WellOracle
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
IADC Conferences
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Our conferences focus on critical issues facing the global drilling industry. IADCβs worldwide conferences bring together the right people to explore cutting-edge technology, safe drilling practices, environmental stewardship, and industry financial prospects. IADC constantly is developing new topics to meet the industryβs evolving needs.
WellOracle
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WellOracle is a fast, field-ready engineering reference and calculation tool built for oilfield professionals. Whether you're on the rig or in the office, WellOracle gives you instant access to the tools you rely on every day: CALCULATIONS β’ Tank volumes β vertical, horizontal, and rectangular tanks β’ Annular capacity and pipe volumes β’ Unit conversions across common engineering units EQUIPMENT REFERENCE β’ API flange specifications and diagrams β’ Drill pipe, casing, and tubing data β’ Gasket type reference (R, RX, BX) REFERENCE DATA β’ Hydrostatics formulas β’ Well kill reference β’ Fraction/decimal conversion tables β’ General oilfield math reference WELLORACLE PRO Unlock the complete toolkit with full tubular libraries, advanced calculators, and equipment datasheets β one-time purchase, no subscription. All calculations are reference aids only. Results must be independently verified before operational use.
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Verdict
The clearest difference is in-app purchases: IADC Conferences at none against WellOracle's 1. IADC Conferences also leads on device support (3 vs 1) and iOS requirement (15.5 vs 26.2). WellOracle's advantage is update cadence (every 4 days vs every 6 weeks). On price and ads there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. WellOracle sells 1 one-off in-app purchase. IADC Conferences asks for nothing beyond the download.
IADC Conferences ships an update every 6 weeks, WellOracle every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | IADC Conferences | WellOracle |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 4 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.5 β better | 26.2 |
| Further details β not scored | ||
| Size | 116 MB | 5 MB |
| Age rating | 12+ | 4+ |
| Developer | DrillingContractor.org | Robert De-Mott |
In-app purchases
IADC Conferences
No in-app purchases
WellOracle
- WellOracle Pro$4.99





