# OB Patient Tracker 2 vs OB Calc (cloud)

The clearest difference is review sentiment: OB Patient Tracker 2 at 43% against OB Calc (cloud)'s 0%. OB Patient Tracker 2 also leads on update cadence (every 4 weeks vs every 3 months) and ratings volume (28 vs 5). OB Calc (cloud)'s advantage is rating (5.0 vs 3.8) and monetization model (free with in-app purchases vs subscription). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OB Patient Tracker 2 sells 4 in-app purchases, starting at $5.99 per month and OB Calc (cloud) sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

OB Calc (cloud) holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: OB Patient Tracker 2 has 28 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 43% of OB Patient Tracker 2's written reviews are positive against 0% of OB Calc (cloud)'s, so the app with the better star average is not the one people write more warmly about.

OB Patient Tracker 2 ships an update every 4 weeks, OB Calc (cloud) every 3 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | OB Patient Tracker 2 | OB Calc (cloud) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (28 ratings)](https://appshunter.io/ios/app/ob-patient-tracker-2/id1082955742/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ob-calc-cloud/id1495610465/reviews)** |
| Number of ratings | **28** | 5 |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 47 MB | 14 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Greg Moore](https://appshunter.io/developer/287944409) | [Glen Botha](https://appshunter.io/developer/943181947) |

## What reviewers say

### OB Patient Tracker 2

[App page](https://appshunter.io/ios/app/ob-patient-tracker-2/id1082955742)

This app helps obstetricians, midwives, and medical trainees manage patient lists with detailed pregnancy information. Track fetal weight, labs, notes, and delivery status. It streamlines data entry and provides insights into pregnancy progression and delivery rates.

**Highlights:** Patient list management, Pregnancy dating and due date tracking, Estimated Fetal Weight (EFW) calculation, Prenatal lab and ultrasound data entry, Post-delivery patient tracking, Delivery rate graphing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $5.99 | per month |
| 3 Months Full Access | $15.99 | per 3 months |
| 6 Months Full Access | $24.99 | per 6 months |
| 12 Months Full Access | $39.99 | per year |


### OB Calc (cloud)

[App page](https://appshunter.io/ios/app/ob-calc-cloud/id1495610465)

This medical app helps obstetricians efficiently calculate key patient test date windows. It offers multiple calculation methods and allows for saving patient data and generating PDF reports. A free trial is available, followed by a subscription for full access.

**Highlights:** LMP, EDC, Ultrasound, CRL, and IVF calculations, Customizable test date ranges, Cross-device data syncing, PDF report generation, Save individual patient data

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Premium (Annual) | $29.99 | per year |


## Frequently asked questions

### Is OB Patient Tracker 2 free?

OB Patient Tracker 2 is free to download, with in-app purchases available.

### Is OB Calc (cloud) free?

OB Calc (cloud) is free to download, with in-app purchases available.

### Which has better reviews, OB Patient Tracker 2 or OB Calc (cloud)?

OB Calc (cloud) is rated higher. OB Patient Tracker 2 averages 3.8 out of 5 from 28 ratings, while OB Calc (cloud) averages 5.0 from 5 ratings.

### Do OB Patient Tracker 2 or OB Calc (cloud) have ads?

Neither OB Patient Tracker 2 nor OB Calc (cloud) shows ads.

### Which is updated more often, OB Patient Tracker 2 or OB Calc (cloud)?

OB Patient Tracker 2 ships an update every 4 weeks, and OB Calc (cloud) every 3 months. Most recently, OB Patient Tracker 2 was updated on November 11, 2026 and OB Calc (cloud) on November 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*