ObCalc
Code Nine Labs LLC
Getting the latest details from the App Store…
Code Nine Labs LLC
Getting the latest details from the App Store…
ObCalc puts the calculators, scoring tools, and reference charts that obstetrics, maternal-fetal medicine, and labor & delivery teams reach for every shift into one fast, offline-first app. Every formula is sourced to published guidelines (ACOG, SMFM, CMQCC, NICHD) and built as a clinical tool first — clean inputs, clear interpretation, no clutter. OBSTETRICS • Bishop Score • Estimated Due Date — LMP, ultrasound, conception, ovulation, or IVF transfer dating • Pregnancy Re-dating (ACOG…
Top of Paid · Medical in United States. ObCalc is #67 there. Changes are over 7 days.
How the app presents itself on the App Store. Select a screenshot to open it full size.
Version 3.1.1+2 · 27 Sep 2026 · 13 days ago
Added minor improvements and acknowledgements
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
Higher on the chart is better: #1 is at the top.
| #67 |
| New entry |
| Change unknown |
| #67 |
| 1 |
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United States · Paid · Medical: best #67, latest #67, over 6 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct, on 9 Oct, and on 10 Oct; the line joins the snapshots on either side.
Entries, big moves, #1s and new versions we've recorded.