OB ToolBox
Frederick Blair Medical iPhoneiPadiPod touch
OB ToolBox is a free Medical app for iPhone and iPad by Frederick Blair. Rated 5.0/5 from 2 ratings. Requires iOS 13.0. Updated June 18, 2026.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 56 MB
- Age 12+
- Updated
- Jun 18
- 2026 · v1.5.6
Screenshots
About OB ToolBox
OB ToolBox provides a useful and quick reference values for fetal growth, estimated fetal weight, amniotic fluid and doppler indices, Bishop scores, preterm birth predictor, cesarean risk calculator, stillbirth calculator, miscarriage risk calculator, and more.
What’s new
Version 1.5.6 · Updated June 18, 2026
Improved look and results section for several calculators.
App privacy
The developer, Frederick Blair, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to OB ToolBox
Looking for apps like OB ToolBox? Here are 6 similar apps on the App Store. The highest rated is OB Pregnancy Wheel Made Easy (5.0/5), and all 6 are free to download.
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Mila: Pregnancy App
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| OB ToolBox | 5.0 / 5 (2 ratings) | Free | June 18, 2026 | |
| OB Pregnancy Wheel Made Easy | 5.0 / 5 (1) | Free | May 14, 2026 | Compare |
| Lizia | 5.0 / 5 (3) | Free | Jul 15, 2026 | Compare |
| Birth Log | 5.0 / 5 (1) | Free | Mar 1, 2026 | Compare |
| Little Baby Nutrition Tracker | 3.0 / 5 (2) | Free | May 13, 2026 | Compare |
| Obstetrum: OB-GYN Calculator | – | Free | Oct 11, 2026 | Compare |
| Mila: Pregnancy App | 4.8 / 5 (17) | Free | Oct 13, 2026 | Compare |
Compare OB ToolBox with the top alternatives: ratings, updates, ASO score and keyword gaps →