# STI Tx Guide vs FP Notebook

The clearest difference is rating: FP Notebook at 4.8 against STI Tx Guide's 3.5. FP Notebook also leads on ratings volume (3.3K vs 36) and review sentiment (58% vs 36%). STI Tx Guide's advantage is in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FP Notebook sells 3 in-app purchases, starting at $1.99 per month. STI Tx Guide asks for nothing beyond the download.

FP Notebook holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: FP Notebook has 3.3K ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 36% of STI Tx Guide's written reviews are positive against 58% of FP Notebook's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | STI Tx Guide | FP Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (36 ratings)](https://appshunter.io/ios/app/sti-tx-guide/id655206856/reviews) | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/fp-notebook/id835973313/reviews)** |
| Number of ratings | 36 | **3.3K** |
| Positive reviews | 35.7% of reviews | **58.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Subscription |
| Best chart rank | — | **#57** |
| Size | 36 MB | 134 MB |
| Requires iOS | 15.0 | **14.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Atmosphere Apps, Inc.](https://appshunter.io/developer/334077424) |

## What reviewers say

### STI Tx Guide

[App page](https://appshunter.io/ios/app/sti-tx-guide/id655206856)

Provides healthcare professionals with up-to-date, evidence-based recommendations for the prevention, diagnosis, and treatment of sexually transmitted infections. Features include clinical care guidance, sexual history resources, and patient materials for effective patient management.

**Highlights:** STI prevention recommendations, Diagnosis guidance, Treatment protocols, Clinical care assistance, Sexual history resources, Patient management tools

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

**In-app purchases:** none


### FP Notebook

[App page](https://appshunter.io/ios/app/fp-notebook/id835973313)

**Currently charting:** #57 Top Grossing · Medical (US App Store)

A comprehensive medical reference for primary care and emergency clinicians, offering rapid access to over 6100 interlinked topic pages. Content is updated monthly through literature reviews and conferences, providing up-to-date information for medical professionals.

**Highlights:** Rapid access medical reference, Over 6100 interlinked topic pages, Content updated monthly, 31 specialty books, 700+ chapters, Point-of-care tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $19.99 | per year |
| Annual Sub | $24.99 | per year |

**What reviewers like**

- 🌟 Excellent, comprehensive medical reference
- ⚡️ Efficient, concise, and easy to use
- 🧠 Invaluable for medical students, residents, and practitioners
- 🤝 Highly recommended by users
- 🕰️ Frequently used and relied upon for years

**What reviewers complain about**

- 💰 Subscription model frustrates some users who previously had free access
- 🐞 Occasional app freezing or crashing issues reported
- 🔍 Built-in search function could be improved

**Reported bugs**

- App freezing or crashing on certain devices
- Subscription issues or unexpected charges

**Requested features**

- Ability to earn continuing education credits through the app
- Improved search functionality


## Frequently asked questions

### Is STI Tx Guide free?

STI Tx Guide is free to download, with no in-app purchases.

### Is FP Notebook free?

FP Notebook is free to download, with in-app purchases available.

### Which has better reviews, STI Tx Guide or FP Notebook?

FP Notebook is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while FP Notebook averages 4.8 from 3.3K ratings.

### Do STI Tx Guide or FP Notebook have ads?

Neither STI Tx Guide nor FP Notebook shows ads.

### Which is updated more often, STI Tx Guide or FP Notebook?

STI Tx Guide ships an update every 2 months, and FP Notebook every 2 months. Most recently, STI Tx Guide was updated on August 28, 2026 and FP Notebook on September 23, 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.*