Version history
OB Wheels
17
ASO score
Text
4/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
3.6
Votes
45
App Age
10y 9m
Last Update
Apr 10, 2020
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
3.48
|
4.6
|
-24%
|
|
Number of Ratings (Voted)
|
40
|
65.3K
|
-100%
|
|
App Age
|
10y 8m
|
9y 2m
|
+17%
|
|
In-app Purchases Price
|
$0
|
$30
|
|
|
Update Frequency
|
2074d
|
127d
|
+1 530%
|
|
Title Length
|
9
|
25
|
-64%
|
|
Subtitle Length
|
0
|
26
|
|
|
Description Length
|
1 414
|
2 647
|
-47%
|
|
Number of Screenshots
|
390
|
1385
|
-72
%
|
|
Size
|
0MB
|
244MB
|
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 06, 2025 | Dec 13, 2025 |
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No results were found!
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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No results were found!
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| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
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No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
|---|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
9
of 30
)
OB Wheels
Subtitle
(
Characters:
0
of 30
)
Description
(
Characters:
1414
of 4000
)
Does the world need another OB-wheel-due-date-calculator app? You bet! OB Wheels combines three things that clinicians need to derive all the dates necessary in pregnancy care, and no other app has this combination.
It contains a calendar calculator to determine EDD (EDC) from LMP or from a sonogram report. The calendar calculator also provides gestational age (EGA) as of any date for a given EDD or LMP. Because the calculator works off the real calendar, it is accurate for leap years too.
Then for all of you who miss your cardboard OB wheel, the app contains one which you can rotate, pinch and zoom, and generally play with just like a regular cardboard wheel. It's a little tricky to learn how to plant two fingers and rotate them rather than pinch-and-zoom to get rotation versus resizing. But the wheel works and it is accurate, especially so because you can zoom in to be sure where the little date hash lines lie.
Finally, the app notes the most recent committee opinion scheme from ACOG on how one might reconcile due dates from LMP and sonograms to arrive at a single final EDD. To my knowledge, the scheme is authority-based and no better or worse than other schemes, but my practice and my learners need a single clear scheme, so this app includes one for easy reference.
As an educator and clinician myself, I am grateful for feedback. Email me via the contact email at my website.}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 45 |
| App Store Link: | |
| Website: | - |
| Email: | - |
| Privacy Policy: | - |
| Categories: | Medical |
| Size: | - |
| App Age: | 10 years 9 months |
| Release Date: | Mar 23, 2015 |
| Last Update: | Apr 10, 2020 |
| Version: |
Version history
Apr 10, 2020
First release
1.2
Feb 07, 2018
the due date calendar calculators!
- totally redesigned
- much easier to use
- much easier to understand
- exactly what you expect from an iPhone app
- sorry I didn't improve this app earlier (but I didn't know how, still an amateur programmer)
