Derrick is a specialized rotation calendar for oilfield workers, providing offline-first scheduling and financial tracking on iOS.
The App DNA
What makes this app unique?
Oilfield workers face scheduling drift in generic calendar apps, and Derrick removes this friction by providing rotation-specific logic that stays accurate for years.
For Oilfield workers who require precise, offline-capable scheduling tools to manage complex hitch rotations and financial planning.
What does it look like?
Key features
Customizable on/off day scheduling for oilfield hitches with support for specific patterns like 14/14 or 28/28.
QR code and text-based rotation sharing for team members or family to import schedules in one tap.
Generates a single-page annual view of the rotation schedule optimized for paper printing.
How much does it cost?
Monetization relies on a one-time non-consumable purchase to unlock advanced planning and financial tracking features, avoiding recurring subscription fatigue.
Velocity
Maintenance developmentUX improvementsShow more...
Derrick: Oilfield Rotation is currently in a maintenance phase, with only two releases shipped in the observed window. The latest release primarily introduces new screenshots and a preview of the app's rotation tracking features rather than functional updates. Development appears stable but limited, as the core application logic has remained consistent across recent builds. With the most recent update occurring 10 days ago, the current cadence reflects a focus on store presence rather than active feature expansion.
Who built it?
Vytautas Jazbutis
9 apps tracked · Productivity
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What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Derrick: Oilfield Rotation
How's the Productivity market?
Derrick serves a specialized productivity niche, maintaining a 4.76 rating across 21 reviews. The one-time purchase model positions the app as a professional utility rather than a subscription-based service, differentiating it from generic calendar competitors.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Derrick: Oilfield Rotation
Where is it heading?
The market for specialized productivity tools remains stable, but Derrick must transition from maintenance to active iteration to prevent generic calendar apps from absorbing its niche. If the developer does not address the lack of user feedback, the app risks stagnating while competitors add rotation-specific features.
- The latest release focuses on marketing assets rather than functional expansion, indicating a maintenance-mode cadence for the core calendar engine.
The SWOT
- Offline-first architecture ensures utility on remote rigs
- Crew Pass sharing drives organic crew-based acquisition
- One-time purchase model removes recurring subscription friction
- Expand financial tracking to include tax-specific reporting
- Localized marketing in high-activity oilfield regions
Next best moves
Implement in-app feedback prompts because sentiment data is currently missing → identify top user pain points
The counter-intuitive read
The lack of subscription revenue is a strength…
Read the full takeBottom line
Derrick maintains a strong niche position by solving rotation drift, but the lack of active feature expansion leaves the app vulnerable to generic calendar updates. Prioritizing user feedback collection will clarify whether financial tracking or scheduling accuracy is the primary driver for Pro-tier conversion.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Derrick suitable for my specific oilfield rotation?
Does Derrick require an internet connection to view my schedule?
How does Derrick compare to using a standard calendar app?
Sources
- [1] App Store, source
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