ACOG DII SMI vs OB ToolBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACOG DII SMI
This app provides access to materials from the Safe Motherhood Initiative, a project focused on improving maternal care in New York State. It offers resources like risk assessment tables, checklists, algorithms, and clinical slide decks to address leading causes of maternal mortality and venous thromboembolism.
- Risk assessment tables
- Checklists
- Algorithms
- Clinical presentation slide decks
- Guidance documents
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The Safe Motherhood Initiative (SMI) is a project of the American Congress of Obstetricians & Gynecologists (ACOG), District II. The SMI works with obstetric hospitals across New York State to implement standard approaches to care - "bundles" - for the leading causes of maternal mortality, and venous thromboembolism. Access all of the SMI's materials via the app, including: - Risk assessment tables - Checklists - Algorithms - Clinical presentation slide decks - Guidance documents
OB ToolBox
This app offers a quick reference for essential medical values related to fetal growth, amniotic fluid, and Doppler indices. It includes calculators for preterm birth prediction, cesarean risk, and risk of stillbirth or miscarriage.
- Fetal growth reference values
- Estimated fetal weight calculator
- Amniotic fluid and Doppler indices
- Bishop score reference
- Preterm birth predictor
- Cesarean risk calculator
- Stillbirth and miscarriage risk calculators
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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.
Screenshots
Verdict
The clearest difference is update cadence: OB ToolBox at every 3 weeks against ACOG DII SMI's every 6 months. OB ToolBox also leads on iOS requirement (13.0 vs 18.0). ACOG DII SMI's advantage is ratings volume (158 vs 2). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for ACOG DII SMI against 5.0 for OB ToolBox. That said, the two scores are not equally well evidenced: ACOG DII SMI has 158 ratings behind it against 2, so its average is the more settled of the two.
ACOG DII SMI ships an update every 6 months, OB ToolBox every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | ACOG DII SMI | OB ToolBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (158 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 158 — better | 2 |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 56 MB |
| Age rating | 17+ | 12+ |
| Developer | Fountainhead Mobile Solutions | Frederick Blair |
Customer experience
ACOG DII SMI
OB ToolBox
In-app purchases
ACOG DII SMI
No in-app purchases
OB ToolBox
No in-app purchases
Questions
Is ACOG DII SMI free?
Is OB ToolBox free?
Which has better reviews, ACOG DII SMI or OB ToolBox?
Do ACOG DII SMI or OB ToolBox have ads?
Which is updated more often, ACOG DII SMI or OB ToolBox?
Other comparisons
