# GAPP Guidelines vs Sanford Guide Antimicrobial

The clearest difference is in-app purchases: GAPP Guidelines at none against Sanford Guide Antimicrobial's 3. GAPP Guidelines also leads on iOS requirement (9.0 vs 15.0). Sanford Guide Antimicrobial's advantage is update cadence (every 2 weeks vs every 5 months) and chart position (#5 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Sanford Guide Antimicrobial sells 3 in-app purchases, starting at $4.99 per year. GAPP Guidelines asks for nothing beyond the download.

GAPP Guidelines ships an update every 5 months, Sanford Guide Antimicrobial every 2 weeks. The most recent releases landed on October 27, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | GAPP Guidelines | Sanford Guide Antimicrobial |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/sanford-guide-antimicrobial/id863196620/reviews)** |
| Number of ratings | — | **1.9K** |
| Positive reviews | — | 88.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Subscription |
| Best chart rank | — | **#5** |
| Size | 45 MB | 46 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Medical EGuides](https://appshunter.io/developer/1133990851) | [Antimicrobial Therapy, Inc.](https://appshunter.io/developer/443442554) |

## What reviewers say

### GAPP Guidelines

[App page](https://appshunter.io/ios/app/gapp-guidelines/id659325458)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sanford Guide Antimicrobial

[App page](https://appshunter.io/ios/app/sanford-guide-antimicrobial/id863196620)

**Currently charting:** #5 Top Grossing · Medical (US App Store)

Provides clinicians with concise, evidence-based answers for infectious disease treatment decisions. Features interactive tools like spectra charts and calculators, updated frequently by an expert editorial team.

**Highlights:** Clinically actionable answers, Institutionally diverse editorial team, Constant updates, Interactive antibacterial spectra chart, Drug-drug interaction checker, Trustworthy calculators for dosing

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| U.S. Vaccine Guidelines | $4.99 | per year |
| Sanford Guide | $39.99 | per year |
| Sanford Guide All Access | $79.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick access to information
- 💡 Helpful charts and tables
- 🔍 Comprehensive coverage of infections and treatments
- 📚 Up-to-date content and frequent updates

**What reviewers complain about**

- 🐛 Occasional crashes or freezing
- ⏱️ Slow search function
- 💰 Expensive subscription model
- 🔒 Login issues and subscription verification problems

**Reported bugs**

- App freezing or closing unexpectedly
- Login and subscription verification problems
- Corrupted passwords and inability to reset

**Requested features**

- Side-by-side antibiotic susceptibility comparison
- Offline access to content
- Improved navigation and UI


## Frequently asked questions

### Is GAPP Guidelines free?

GAPP Guidelines is free to download, with no in-app purchases.

### Is Sanford Guide Antimicrobial free?

Sanford Guide Antimicrobial is free to download, with in-app purchases available.

### Do GAPP Guidelines or Sanford Guide Antimicrobial have ads?

Neither GAPP Guidelines nor Sanford Guide Antimicrobial shows ads.

### Which is updated more often, GAPP Guidelines or Sanford Guide Antimicrobial?

GAPP Guidelines ships an update every 5 months, and Sanford Guide Antimicrobial every 2 weeks. Most recently, GAPP Guidelines was updated on October 27, 2026 and Sanford Guide Antimicrobial on November 6, 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.*