Drilling Hydraulics (Basic) vs rotate by RotationOS
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Drilling Hydraulics (Basic)
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Drilling Hydraulics (Basic Calculations) provides an useful tool to students, drillers, technicians, drilling engineers and other professionals of the oil well drilling. Unit System with setting of decimals. Formulas and Calculations: - Capacities and Volumes - Mud Properties and Gradient - Temperature Gradient - Pressure Gradient - Hydrostatic Pressure - Mud Pump Output - Hydraulics on Drill Bit nozzles - Friction Losses (on borehole section) - ECD - Equivalent Circulating Density - Pressure with well closed (Kick/LOT/FIT) Formulas: - The factors/constants are calculated based on different units of measures. iCloud: - Auto saves to restore when to open the app again - Shares the same data on devices with same Apple ID DISCLAIMER: These tools & materials are provided 'as is' without warranties of any kind, express or implied. Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.
rotate by RotationOS
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Your life doesn't run Monday to Friday. Your planning tools shouldn't either. rotate is built specifically for rotational workers whose schedules, travel, time at home, and pay all revolve around their rotation. PLAN YOUR ROTATION Set up your work and home pattern, travel days, locations, and time zones. rotate builds your calendar automatically and keeps projecting your rotation into the future. View your schedule by year, month, week, or day so you can see when you're working, traveling, and home. PLAN AROUND YOUR PAY Connect your rotation to your pay structure to forecast upcoming paychecks. Support fixed, rule-based, and custom pay dates, location bonuses, travel pay, per diem, and estimated tax. Use Paycheck Planner to compare your projected paycheck with what you actually expect to receive. SHARE A ROTATION Connect with your back-to-back and create an agreed Shared Rotation without exposing your private financial information. Propose schedule changes, counter, accept or decline changes, keep track of days owed, and receive notifications when something needs your attention. KEEP THE REST OF YOUR LIFE IN VIEW Track important time zones, count days spent in a country, record work expenses, and plan further ahead than a traditional work calendar allows. PRIVATE BY DESIGN Your personal rotation and financial planning data stay on your device. Shared Rotation only shares the schedule information needed between connected users. rotate is powered by RotationOS, software designed around the way rotational workers actually live and work. Privacy Policy: https://rotationos.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: rotate by RotationOS at Free against Drilling Hydraulics (Basic)'s $4.99. rotate by RotationOS also leads on update cadence (every 5 days vs every 14 months). Drilling Hydraulics (Basic)'s advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
rotate by RotationOS is free to download; Drilling Hydraulics (Basic) costs $4.99 up front. rotate by RotationOS sells 2 in-app purchases, starting at $2.99 per month. Drilling Hydraulics (Basic) asks for nothing beyond the download.
Drilling Hydraulics (Basic) ships an update every 14 months, rotate by RotationOS every 5 days. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.
| Parameter | Drilling Hydraulics (Basic) | rotate by RotationOS |
|---|---|---|
| Price | $4.99 | Free โ better |
| Update frequency | Every 14 months | Every 5 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 10.3 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 7 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Moura | RotationOS LLC |
In-app purchases
Drilling Hydraulics (Basic)
No in-app purchases
rotate by RotationOS
- rotate Plus$2.991 Month
- rotate Pro$5.991 Month
Questions
Is Drilling Hydraulics (Basic) free?
Is rotate by RotationOS free?
Do Drilling Hydraulics (Basic) or rotate by RotationOS have ads?
Which is updated more often, Drilling Hydraulics (Basic) or rotate by RotationOS?
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