Price and ratings
- Price
- CA$2.99
- Rating
- 4.9 out of 5
- Ratings
- 3,593United States
Versions
- Released
- 16 Oct 200817 years ago
- Last update
- 1 month agoVersion 59.1
- Requires
- iOS 13.0 or later
Details
- Size
- 14.5 MB
- Languages
- 11
Simple, fast, yet more thorough than any other pregnancy wheel available for the iPhone, Perfect OB Wheel is better than just a replacement for your trusty paper wheel. Here's why Perfect OB Wheel is your best choice of gestational calculator: 1) Input flexibility: Start with one of: • Last menstrual period (LMP) • Conception date • Estimated date of confinement/delivery (EDC) • Ultrasound dating: Number of weeks and days gestation as of a given date ("X Weeks"). 2) Input…
Competitors
Full chartTop of Paid · Medical in Canada. Perfect OB Wheel is #19 there. Changes are over 7 days.
- #1 (number one)Change unknown
Monash FODMAP DietMonash University - #2Change unknown
Pedi STATJames M Kempema MD PA - #3Change unknown
Essential Anatomy 53D4Medical from Elsevier - #4Change unknown
Anti-infective GuidelinesMUMS Health - #5Change unknown
Freya • Surge TimerThe Positive Birth Company Ltd. - #6Change unknown
RashBruno Girodias - #7Change unknown
Codes QcMessil inc. - #8Change unknown
Family Medicine Study GuideFamily Medicine Study Guide - #9Change unknown
AutoSnore: Snoring RecorderTantsissa - #10Change unknown
MD on CallMessil inc. - #11Change unknown
Recognise Footnoigroup - #12Change unknown
iMineIVFBabySentry Ltd. - #13Change unknown
The Difficult Airway AppAirway Management Education Center - #14Change unknown
Journal Club: MedicinePeripheral Brain, LLC - #15Change unknown
Lab Values+ Medical ReferenceHipposoft, LLC - #16Change unknown
PotsiAppORTHOPRACTIS.COM SINGLE MEMBER P.C. - #17Change unknown
Squeezy MenLiving With Ltd - #18Change unknown
Muscle Trigger PointsReal Bodywork - #20Change unknown
Pediatric Blood Pressure GuideGregory Drake Wilson - #21Change unknown
Anesthesia ConsiderationsAC Anesthesia Considerations Ltd
Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
What's new
Version 59.1 · 11 Aug 2026 · 1 month ago
• Fixed a crash at launch on iPads running iOS 26. • New in Settings: Back Up All Data — export a complete copy of your patient database and photos. • The app now keeps automatic local snapshots of your database for extra data safety.
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Canada· Paid · Medical | #19 | Change unknown | Change unknown | #19 | 1 |
| Brazil· Paid · Medical | #23 | Change unknown | Change unknown | #23 | 1 |
| Australia· Paid · Medical | #25 | Change unknown | Change unknown | #25 | 1 |
| Mexico· Paid · Medical | #42 | Change unknown | Change unknown | #42 | 1 |
| India· Paid · Medical | #53 | Change unknown | Change unknown | #53 | 1 |
| United States· Paid · Medical | #76 | Change unknown | Change unknown | #76 | 1 |
| France· Paid · Medical | #97 | Change unknown | Change unknown | #97 | 1 |
Rank history
Higher on the chart is better: #1 is at the top.
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The chart fills in as new snapshots arrive (about every 6 hours).
Ranking events
Entries, big moves, #1s and new versions we've recorded.
No events recorded yet
Events appear as the app enters charts, moves 25+ places or ships a new version.
More from Evan Schoenberg
Their other apps that Appulse has seen in the charts, charting ones first.
| App | Best rank now | Released | App Store |
|---|---|---|---|
 Med MnemonicsMedical | Paid · MedicalIndia#29 | 17 years ago | |
 Perfect OB TrackerMedical | Paid · MedicalCanada#33 | 13 years ago | |
 MediMath Medical CalculatorMedical | Paid · MedicalMexico#47 | 7 years ago | |
 MedAbbreviationsMedical | Paid · MedicalAustralia#68 | 17 years ago | |
 RowmoteUtilities | Paid · UtilitiesMexico#77 | 17 years ago | |
 Rowmote ProUtilities | Paid · UtilitiesBrazil#86 | 17 years ago |