Partus: Pregnancy Wheel
By 55DIGITS
Partus: Pregnancy Wheel is a clinical OB calculator for healthcare professionals, offering ACOG-compliant dating and IVF transfer tools on iOS.
The App DNA
What makes this app unique?
Clinicians require reliable, offline-capable dating tools that avoid the data-collection practices of consumer-facing pregnancy apps.
For Healthcare professionals requiring a reliable, offline-capable pregnancy and clinical calculator.
What does it look like?
Key features
Single-screen interface for calculating LMP, conception, and gestational age with bidirectional editing.
Automated application of ACOG thresholds to determine dating based on exam date and measured gestational age.
Calculates EDD from day-3 or day-5 transfer dates without requiring LMP data.
How much does it cost?
Single-price model with no recurring subscriptions or ads, positioning Partus as a professional tool rather than a consumer service.
Velocity
Maintenance developmentUX improvementsShow more...
With only one release in the observed window and a last update 11 days ago, the app operates at a maintenance cadence. Development is currently focused on minor utility refinements and user feedback integration rather than significant feature expansion. The app remains functional as a reference tool, with no evidence of a high-frequency update cycle.
Who built it?
User Sentiment
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 Partus: Pregnancy Wheel
How's the Medical market?
Users report: Partus occupies a niche professional segment, charging a $4.99 one-time fee to avoid the data-harvesting models of consumer pregnancy apps. Its lack of a free tier limits top-of-funnel discovery compared to ad-supported rivals.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Partus: Pregnancy Wheel
Where is it heading?
The clinical calculator market is consolidating around tools that offer high-fidelity compliance with medical standards like ACOG. Partus is well-positioned to serve privacy-conscious clinicians, provided it continues to update its clinical logic to match evolving guidelines.
- The recent update adding imperial unit support demonstrates active maintenance of the clinical toolset.
- The professional-only pricing model limits user acquisition to those already seeking a paid clinical reference.
The SWOT
- Single-screen bidirectional editing interface
- ACOG-compliant ultrasound redating logic
- Offline-first architecture ensures data privacy
- Expansion into medical education partnerships
Next best moves
Ship a limited-feature free version because the $4.99 barrier prevents professional trial → increase install velocity
The counter-intuitive read
Users report: The lack of a free tier is a feature…
Read the full takeSince the last report: Partus has pivoted its strategic roadmap from pure clinical maintenance to a growth-oriented model, specifically targeting medical education and lowering the barrier to entry via a proposed free tier.
Bottom line
Partus succeeds by prioritizing clinical accuracy and privacy over consumer-scale growth. A free-tier strategy would unlock the professional market by allowing clinicians to verify the tool's ACOG-compliant logic before purchase.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeSources
- [1] App Store
Report last updated