# Sanford Guide Antimicrobial vs Littmann Learning

Sanford Guide Antimicrobial and Littmann Learning both sit at 4.8 stars, but that hides the real split: 88% of Sanford Guide Antimicrobial's written reviews are positive against 48% of Littmann Learning's. Sanford Guide Antimicrobial also leads on update cadence (every 2 weeks vs every 6 weeks) and chart position (#6 vs unranked). Littmann Learning's advantage is monetization model (free with in-app purchases vs subscription). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Sanford Guide Antimicrobial sells 3 in-app purchases, starting at $4.99 per year and Littmann Learning sells 11 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Sanford Guide Antimicrobial against 4.9 for Littmann Learning. Both are backed by a comparable volume of ratings — 1.9K and 856 respectively. Written reviews are what separate them: 88% of Sanford Guide Antimicrobial's written reviews are positive against 48% of Littmann Learning's.

Sanford Guide Antimicrobial ships an update every 2 weeks, Littmann Learning every 6 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sanford Guide Antimicrobial | Littmann Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.9K ratings)](https://appshunter.io/ios/app/sanford-guide-antimicrobial/id863196620/reviews) | **[4.9 (856 ratings)](https://appshunter.io/ios/app/littmann-learning/id1324485260/reviews)** |
| Number of ratings | **1.9K** | 856 |
| Positive reviews | **88.4% of reviews** | 47.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | **#6** | — |
| Size | 46 MB | 19 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Antimicrobial Therapy, Inc.](https://appshunter.io/developer/443442554) | [CSD Labs](https://appshunter.io/developer/1318756877) |

## What reviewers say

### Sanford Guide Antimicrobial

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

**Currently charting:** #6 Top Grossing · Medical (US App Store)

Provides clinicians with concise, evidence-based treatment guidance for infectious diseases. Features interactive tools like spectra charts, drug interaction checkers, and dosing calculators to support rapid decision-making in fast-paced medical settings.

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

**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


### Littmann Learning

[App page](https://appshunter.io/ios/app/littmann-learning/id1324485260)

This app provides access to real patient heart and lung sounds for auscultation education. It offers visual and audio displays, self-paced learning modules, and background reading material to help users recognize various heart and lung sounds.

**Highlights:** Real patient heart and lung sounds, Visual and audio displays, Self-paced learning modules, Graduated learning difficulty, Background reading material

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Plan - 1 month | $3.99 | per month |
| Premium Plan - 1 month | $6.99 | per month |
| Basic Monthly | $8.99 | per month |
| Standard Plan - 1 year | $19.99 | per year |
| Semester Pass | $29.99 | per 6 months |
| Premium Plan - 1 year | $39.99 | per year |
| Full Version | $44.99 | per year |
| Annual Pass | $49.99 | per year |
| CE -  Fundamentals | $124.99 | one-time |
| CE -Advanced | $174.99 | one-time |
| CE - Intermediate | $249.99 | one-time |


## Frequently asked questions

### Is Sanford Guide Antimicrobial free?

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

### Is Littmann Learning free?

Littmann Learning is free to download, with in-app purchases available.

### Which has better reviews, Sanford Guide Antimicrobial or Littmann Learning?

Littmann Learning is rated higher. Sanford Guide Antimicrobial averages 4.8 out of 5 from 1.9K ratings, while Littmann Learning averages 4.9 from 856 ratings.

### Do Sanford Guide Antimicrobial or Littmann Learning have ads?

Neither Sanford Guide Antimicrobial nor Littmann Learning shows ads.

### Which is updated more often, Sanford Guide Antimicrobial or Littmann Learning?

Sanford Guide Antimicrobial ships an update every 2 weeks, and Littmann Learning every 6 weeks. Most recently, Sanford Guide Antimicrobial was updated on November 1, 2026 and Littmann Learning on October 29, 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.*