Perfect OB Wheel

Perfect OB Wheel iPhone Apps

Perfect OB Wheel

Perfect OB Wheel
Perfect OB Wheel|Download the iPhone APP from AppStore

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 speed: Other wheels for the iPhone make you conform to them for entering your patient's information. Why not be able to choose based on how you are holding the phone and what else you are doing at the same time?
• Use the numeric entry pad (0 3 3 0 2 0 0 8) and immediately see the results, OR
• Spin the date wheel at the bottom of the screen and tap Next.

3) Thorough results: All the information you would expect from a classic wheel, plus more:
• Estimated Due Date
• LMP Date
• Conception Date
• 1st Trimester End Date
• 2nd Trimester End Date
• Gestational Age
• Conceptional Age
• Expected Fetal Length based on standard fetal growth curves
• Expected Fetal Weight based on standard fetal growth curves ("How much does my baby weigh, doctor?")

Results are relative to 'today' by default; this can be quickly changed to reflect any date by tapping the 'today' button and selecting a new date.

4) Accurate results: Perfect OB Wheel provides exact dates and accounts for all calendar variance, including leap years.

5) Persistence: Perfect OB Wheel remembers the date and date type you last used and restores them when launched to streamline your workflow.

6) Perfect OB Tracker upgrade: Available as an in-app purchase update, the Perfect OB Tracker lets you track any number of pregnancies, with at-a-glance due date and gestational age and one-tap access to all the data Perfect OB Wheel provides. A picture and text notes can be kept on each patient. Postpartum tracking is also available. Passcode locking is available for HIPAA compliance.



Download the[Perfect OB Wheel]@iPhone App

Perfect OB Wheel|Download the iPhone APP from AppStore

Evaluation at the itunes store

Evaluation of iPhone App [Perfect OB Wheel] at itunes store

  • newest version:4.9 out of 5 stars (4.9 / 5)4.91998
  • All versions:4.9 out of 5 stars (4.9 / 5)4.9

Number of people evaluated:2662



Screenshots of iPhone Apps [Perfect OB Wheel]

Perfect OB WheelScreenshot of 1Perfect OB WheelScreenshot of 2Perfect OB WheelScreenshot of 3Perfect OB WheelScreenshot of 4Perfect OB WheelScreenshot of 5Perfect OB WheelScreenshot of 6
(c)Evan Schoenberg

People reviews

Impression and review of people to iPhone App [Perfect OB Wheel]!

  • I love this app!
    by maggetyhatch on February 19, 2021 at 7:29 pm

    I’m and ER doc and I use this app all time. It has everything I need and nothing I don’t. I love it!

  • Perfect app
    by Rosy NP on December 29, 2020 at 12:39 am

    Great app !! I use it all the time. Very practical and accurate. Highly recommend it ! R Bribiesca, NP

  • Best OB wheel I’ve found
    by rnvdAgonfe!74. !(:4& on November 12, 2020 at 11:43 pm

    I’m an MFM who uses this wheel several times a day. Easily the fastest way and most flexible app I’ve used.

  • Very Helpful
    by Heather Richmond on July 20, 2020 at 12:14 pm

    This app fills in the gaps for me ALL the time. Can’t live without it

  • Great app, some suggestions
    by Mom from the VI on May 1, 2020 at 5:07 pm

    Excellent app. Love it. Would love if there are more fields for infant info, apgars and weight.

  • Nice OB wheel app
    by gingamohawk on April 9, 2020 at 3:19 pm

    This app is quite useful. I like that you can save clients’ information and that the developer implemented a suggestion about highlighting today’s date. One problem I face is that you are not able to adjust cycle length. Most of the women I care for do not have 28day cycles. This can drastically change EDD. In order to take their cycle length into account I have to fudge LMP. I dislike having different dates for LMP in this app compared to their chart.

  • Love
    by Nurse Olga on October 14, 2019 at 12:50 pm

    Love this app! As a L&D RN for many years, this app gives me a quick and accurate info!

  • ACOG
    by Sharfitz on May 24, 2019 at 1:15 pm

    I LOVE this app. However, I do believe that the dating for the trimesters is off. I’m only ever interested in the end of the first trimester and ACOG states that the first trimester ends at 13weeks 6days. This app does not calculate accordingly. Can you please look into this and make a correction if there is a consensus?

  • On wheel
    by The OB Kid on February 19, 2019 at 9:33 pm

    It is the best and I have been doing this for since 1980🧐

  • Stopped working after update 45
    by J4L4N on February 17, 2019 at 3:08 pm

    When I tape the app it opens then immediately closes.

  • Help!
    by gleemarous on February 5, 2019 at 5:24 pm

    Love the “delivered “ tracking ability, but the latest update is crashing when I try to use it. Please fix. The app is a lifesaver for me!

  • Font
    by Nateisgraet on February 4, 2019 at 12:56 pm

    I liked it better with the larger font-- the new smaller font is hard for my old eyes 🙂

  • The best tool
    by shonRN on January 28, 2019 at 4:53 pm

    I have been a OB nurse for 10 years and this is my go to for all my dates LMP and more!!

  • Showed to my OB who loved it
    by Mellie from the Block on January 20, 2019 at 4:42 pm

    My OB was using this paper wheel thing. I showed her this app and she loved it.

  • You can’t argue with math. I love it.
    by [email protected]@[email protected] on May 16, 2018 at 1:53 pm

    Omg! This app is a life saver. I am a MA so I have to work the back and all the government forced paperwork. I have to keep tally on every patient the estimated conception date. With a super busy clinic, and me only working 2 days (part time and yes, I have asked to work more) I don’t have time to stare at tiny lines on a wheel. Plus, my office has several different wheels; and if the days are not matching up with someone else’s it’s utter chaos. With this app I type in the sonogram weeks results. This app maths it out for me and no questions. You can’t argue with math. It’s ok to embrace technology. Knowing the “old” way is good too. A back up plan. But I live in the 21st century. It’s time to act like it.

  • CNM
    by Katie C CNM on February 12, 2016 at 5:04 pm

    I am a Nurse Midwife and I use this app all the time. I love that you can calculate anything you need to know about dating and GA from whatever piece of info you have. I can't think of anything that I have needed to calculate that I couldn't do with this app. It is especially helpful in decoding some US reports that do not have all of the information spelled out for me in simple dating terms with EDD and GA.

  • Love it!
    by RNobgyn30 on July 14, 2015 at 5:00 am

    I'm an OB nurse and I use this app all the time! It's a lot easier than searching for the wheel at the nurses station! Now I do high-risk OB in home-care setting and it's truly perfect. I've been using it for 2 1/2 years. It's designed for healthcare professionals.

  • What wheel
    by Beachmd on May 9, 2015 at 11:13 am

    Last update and it disappeared from my phone!

  • Great app
    by Rockinyu on December 11, 2014 at 3:49 am

    Ob resident. Love it. Recently was top app mentioned in green journal!

  • Perfect for tool for the OB setting
    by JEBe6 on November 16, 2014 at 9:50 am

    As a labor & delivery nurse on a hectic floor, I've managed to find & lose our wheel multiple times during a shift or another nurse swipes it as more patients roll in. Perfect OB wheel app has been a perfect solution. No more lost wheels. Its simple & sleek flow makes it a piece of cake to use. I even use it to keep up with how far along my friends, family, and even myself are during our pregnancies. Highly recommending this app!!

  • Latest update
    by Minimomof2 on September 22, 2014 at 11:03 pm

    Did last update and now it won't open at all!!!!

  • Why!!!
    by MimiTeen on September 21, 2014 at 1:51 pm

    Did the update, now the app won't open at all!

  • Best OB wheel app
    by hdmidwife on May 27, 2014 at 2:26 pm

    I downloaded this app when I first got into OB practice and have found it so useful that I have recommended it to the rest of the staff and providers and everyone has downloaded it, which makes our dating of pregnancies much more consistent than it had been before. The app is easy to use and though I don't use the tracker part of it, I imagine it's as easy to use as the rest of the app.

  • Thanks
    by PathMax on February 7, 2014 at 12:56 am

    Thank you. Please add date-adjustment for women who have a five week menstrual cycle. Thank you.

  • Great app
    by WWmomma on January 20, 2014 at 4:00 pm

    I love this app use it all the time!

  • Same app my OB uses!
    by sleepy owl on October 1, 2013 at 3:18 am

    Wanted an easy to use app to quickly check my gestational age. Saw my doctor use this at my appt and asked him about it. Just what I needed - clean and user friendly!

  • CNM
    by Midwife Roxy on September 25, 2013 at 5:11 am

    Excellent app. Extremely helpful in keeping a small private practice organized! It is a good way to keep all my clients and their due dates readily at hand. Also a handy way to calculate EDD on the spot, on the phone or in the office. Excellent, just excellent.

  • Great app.
    by Osteopathic_doc on September 18, 2013 at 2:02 am

    I like it.

  • Doctor
    by FPLee on September 2, 2013 at 12:58 pm

    Easy to use, quick, accurate compared to my wheels and always with me!

  • Class A
    by Ivyzoely on August 30, 2013 at 12:19 pm

    Perfect and accesible computation 🙂

  • OB Wheel
    by RICHARD NOONAN on August 10, 2013 at 11:33 am

    I use this in the ER routinely. Very helpful.

  • Great for OB in med school or residency
    by kfig on August 7, 2013 at 6:29 pm

    I use this daily and find it intuitive and fast. I am a first year resident and this helps me tremendously

  • Great app!
    by Cadmir on July 3, 2013 at 12:26 am

    Very useful application. I've recommended it to several colleagues.

  • Very helpful and easy to use
    by Pam P. on May 29, 2013 at 9:56 pm

    Keeps track of multiple dates through the pregnancy, such as trimester dates, etc, so you can keep on top of timing of testing and other interventions.

  • OB MD user
    by Lcavaz on May 28, 2013 at 4:30 am

    Pretty good app even for an experienced OB wheel user. I deducted a star because it crashes sometimes when I try to open it. It would be even better if it was designed as a virtual wheel.

  • MD
    by NPOBGYN on May 16, 2013 at 5:44 pm

    Nice tool

  • Great App
    by JMAS09 on May 1, 2013 at 5:54 pm

    Easy to use and understand. I am very happy.

  • MD
    by KAP5555 on April 22, 2013 at 8:37 pm

    Great app, so useful!!

  • MSMD
    by Dr vagfixer on April 10, 2013 at 11:31 pm

    Excellent product. Helps to keep better organized in a very busy OB practice. I recommend it highly.

  • Ob/gyn Jen
    by Jendoesdraw on March 25, 2013 at 8:16 pm

    Nice. Like the option of keeping a saved list of patients.

  • Elga
    by Sugarmassive on March 17, 2013 at 1:45 pm

    This is a very helpful tool

  • Great App
    by Azkar1 on March 14, 2013 at 6:40 am

    I use it all the time in ED.

  • Great App
    by Kemly_Araya on February 22, 2013 at 8:18 pm

    Highly recomended!!

  • Use it daily
    by Cnmidwife on February 16, 2013 at 11:13 pm

    It's a great app.

  • CNM4
    by Whittier60 on February 13, 2013 at 3:49 pm

    Great tool everyday

  • Family nurse pract
    by ---FNP--- on January 23, 2013 at 1:32 pm

    5 star use every day

  • Simple, accurate
    by AMJ78 on December 7, 2012 at 10:41 pm

    I'm a resident doing lots of OB- this is my go-to app when reviewing ultrasounds and re-checking dating info. I use it almost everyday- quick and simple!

  • CNM
    by Shercnm on November 27, 2012 at 9:42 pm

    Love the wheel! One of the peds in my office told me about it. Wonderful addition to my practice tools!

  • CNM
    by CNM Utah on November 12, 2012 at 9:35 pm

    Growing to rely on it more and more. A great tool. Upgraded to tracker and have found that very useful. Love this app!

  • Perfect Wheel
    by Sugarplumgroove on November 10, 2012 at 3:11 pm

    I use this app almost daily due to my profession.It is simple and reliable.Love it

Change log

Update history of iPhone App [Perfect OB Wheel]

Further improvements to potential time zone issues, including one that led to the ‘age at birth’ display to be 1 day off sometimes.
(c)Evan Schoenberg


iPhone App [Perfect OB Wheel] Other details

  • Sales maker:
    Evan Schoenberg, M.D.
  • Release date:
  • Version:50
  • OS:iOS,iPhone,iPad
  • Price:$1.99


Download the[Perfect OB Wheel]@iPhone App

Download the APP!
Perfect OB Wheel|Download the iPhone APP from AppStore


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