Drilling Hydraulics (Basic) vs Oilfield Calendar for Hitch
Price, ratings, monetisation and update history for both apps, side by side — 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.
Oilfield Calendar for Hitch
Easily organize your work schedules and personal time. Input hitch details like name, dates, and shift type to visualize your time off. Export your calendar to PDF for easy sharing.
- Organize hitches with name, dates, and shift type
- Visualize schedules with colored calendar stripes
- Export current month or next 12 months to PDF
- Share exported calendars via iMessage or email
- Input days on and days off for calculations
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This app is to help you organize your hitches. Organize down time with family and friends after earning those Benjamins! Make your holiday, hunting, fishing, family time calculations easier with this app! All you have to do is input the following: Hitch Name Start Date End Date (if you have a clear end date) Day Shift or Night Shift Hitch Color (regular colors for day shift, grayscale colors/dark colors for night shift) Days On Days Off After you input all the data, your hitches will show up as colored stripes in the calendar. When you have your hitches setup the way you want in the calendar, you can then export the calendar. Export options: Export the current month in PDF Export the next 12 months in PDF You can choose iMessage, E-Mail, and whatever app you choose to send the PDF file to. Like the app? Please give us a 5 star review! LEGAL COMMENTS: TERMS OF USE (EULA): https://braincrunch.dev/terms-of-service.html PRIVACY POLICY: https://braincrunch.dev/privacy-policy.html SUBSCRIPTION and LIFETIME UNLOCK SERVICES: The app is free to download and check out. To unlock premium content you must purchase the weekly subscription or lifetime unlock. 1) Add and organize hitches in the calendar. 2) Export your hitch calendar as a PDF file: One month or annual export. We offer a weekly subscription and a Lifetime Unlock: WEEKLY SUB =>> -An auto-renewable subscription that renews weekly. LIFETIME UNLOCK =>> -No subscriptions with the Lifetime Unlock, you are grandfathered in to all future updates and all unlocked premium features, without any need for subscribing to premium content. -Payment will be charged to your iTunes Account at confirmation of purchase. -Subscriptions will automatically renew unless the subscription is cancelled in Settings. -Account will be charged for renewal subscriptions within 24-HRS prior to the end of the renewal. -Subscriptions can be managed by the user and auto renewal may be turned off by going to ACCOUNT SETTINGS after purchasing your subscription. -No cancellation of the current SUB is allowed during the ACTIVE subscription period. -Lifetime unlock is permanent. Users that purchase this will receive all further updates free of charge for the lifetime of the app. For feedback and support please do not hesitate to contact us: mark@braincrunch.dev
Screenshots
Verdict
The clearest difference is price: Oilfield Calendar for Hitch at Free against Drilling Hydraulics (Basic)'s $4.99. Oilfield Calendar for Hitch also leads on update cadence (monthly 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 · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Oilfield Calendar for Hitch is free to download; Drilling Hydraulics (Basic) costs $4.99 up front. Oilfield Calendar for Hitch sells 2 in-app purchases, starting at $7.99 per 7 days. Drilling Hydraulics (Basic) asks for nothing beyond the download.
Drilling Hydraulics (Basic) ships an update every 14 months, Oilfield Calendar for Hitch monthly. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.
| Parameter | Drilling Hydraulics (Basic) | Oilfield Calendar for Hitch |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 2.3 (40 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 40 — better |
| Update frequency | Every 14 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.3 — better | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Moura | Brain Crunch LLC |
In-app purchases
Drilling Hydraulics (Basic)
No in-app purchases
Oilfield Calendar for Hitch
- Oilfield Calendar$7.997 Days
- Lifetime Unlock$39.99
Questions
Is Drilling Hydraulics (Basic) free?
Is Oilfield Calendar for Hitch free?
Do Drilling Hydraulics (Basic) or Oilfield Calendar for Hitch have ads?
Which is updated more often, Drilling Hydraulics (Basic) or Oilfield Calendar for Hitch?
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