# USPSTF Prevention TaskForce vs Big Daddy

The clearest difference is rating: Big Daddy at 4.7 against USPSTF Prevention TaskForce's 3.6. Big Daddy also leads on ratings volume (478 vs 68). USPSTF Prevention TaskForce's advantage is in-app purchases (none vs 4). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Big Daddy sells 4 in-app purchases, starting at $0.99 per month. USPSTF Prevention TaskForce asks for nothing beyond the download.

Big Daddy holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Big Daddy has 478 ratings behind it against 68, so its average is the more settled of the two. Written reviews point the same way: 63% of USPSTF Prevention TaskForce's written reviews are positive against 70% of Big Daddy's.

USPSTF Prevention TaskForce ships an update every 3 months, Big Daddy every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | USPSTF Prevention TaskForce | Big Daddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (68 ratings)](https://appshunter.io/ios/app/uspstf-prevention-taskforce/id311852560/reviews) | **[4.7 (478 ratings)](https://appshunter.io/ios/app/big-daddy-pregnancy-tracker/id1447942380/reviews)** |
| Number of ratings | 68 | **478** |
| Positive reviews | 63.5% of reviews | **69.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 197 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [AHRQ](https://appshunter.io/developer/311852563) | [Christopher Deutsch](https://appshunter.io/developer/1447942379) |

## What reviewers say

### USPSTF Prevention TaskForce

[App page](https://appshunter.io/ios/app/uspstf-prevention-taskforce/id311852560)

This app provides primary care clinicians with evidence-based recommendations for preventive services. It helps identify appropriate screening, counseling, and medication services for patients based on their individual characteristics.

**Highlights:** Access USPSTF recommendations, Search by patient characteristics, Identify screening services, Find counseling services, Discover preventive medications

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

**In-app purchases:** none

**What reviewers like**

- 👍 Essential for primary care
- 👍 Great evidence-based resource
- 👍 Useful for students and clinicians
- 👍 Well-organized and easy to use
- 👍 Quick reference tool

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Outdated recommendations
- 🐛 Inaccurate/broken recommendations
- 🐛 UI needs update
- 🐛 Not working with latest iOS

**Reported bugs**

- App crashes on startup
- Recommendations are broken/inaccurate
- App not compatible with recent iOS updates
- Menu won't stay open
- Unable to download

**Requested features**

- Update recommendations
- Add more units of measurement (kg/meters)
- Update for dark mode
- Improve UI/UX
- Add more diseases to profile


### Big Daddy

[App page](https://appshunter.io/ios/app/big-daddy-pregnancy-tracker/id1447942380)

This app provides expectant fathers with weekly updates on their baby's development and practical advice to support their partner. It offers visual size comparisons, doctor-reviewed articles, and tools like a contraction timer and birth prep checklists.

**Highlights:** Weekly baby development tracking, Visual size comparisons, Doctor-reviewed pregnancy articles, Contraction timer, Birth preparation checklists, Baby name shortlist

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Pregnancy Pass | $4.99 | per year |
| Full Access | $2.99 | one-time |
| Lifetime Access | $12.99 | one-time |

**What reviewers like**

- 👍 Very informative and helpful
- 😂 Humorous comparisons and analogies
- 👨‍👩‍👧‍👦 Great for expectant fathers
- 💡 Easy to understand explanations
- ✅ Useful checklists and counters

**What reviewers complain about**

- 💰 Requires payment for full features
- 🤔 Some passive-aggressive comments
- 🤷 Missing information on specific conditions (HG)
- ⚙️ Formatting issues in recent versions
- 📏 Lacks metric to standard conversion option

**Reported bugs**

- Formatting in articles has gone awry
- Crashed upon opening

**Requested features**

- Option to convert measurements from metric to standard
- Add a sharing function for weekly updates
- More information on Hyperemesis Gravidarum (HG)
- Add gender selection option
- Daily notifications of interesting info


## Frequently asked questions

### Is USPSTF Prevention TaskForce free?

USPSTF Prevention TaskForce is free to download, with no in-app purchases.

### Is Big Daddy free?

Big Daddy is free to download, with in-app purchases available.

### Which has better reviews, USPSTF Prevention TaskForce or Big Daddy?

Big Daddy is rated higher. USPSTF Prevention TaskForce averages 3.6 out of 5 from 68 ratings, while Big Daddy averages 4.7 from 478 ratings.

### Do USPSTF Prevention TaskForce or Big Daddy have ads?

Neither USPSTF Prevention TaskForce nor Big Daddy shows ads.

### Which is updated more often, USPSTF Prevention TaskForce or Big Daddy?

USPSTF Prevention TaskForce ships an update every 3 months, and Big Daddy every 2 months. Most recently, USPSTF Prevention TaskForce was updated on October 19, 2026 and Big Daddy on October 19, 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.*