# Littmann Learning vs prepSSM

The clearest difference is review sentiment: Littmann Learning at 48% against prepSSM's 0%. Littmann Learning also leads on rating (4.9 vs 4.1) and ratings volume (850 vs 7). prepSSM's advantage is in-app purchases (none vs 11) and update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Littmann Learning sells 11 in-app purchases, starting at $3.99 per month. prepSSM asks for nothing beyond the download.

Littmann Learning holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Littmann Learning has 850 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 48% of Littmann Learning's written reviews are positive against 0% of prepSSM's.

Littmann Learning ships an update every 6 weeks, prepSSM every 3 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Littmann Learning | prepSSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (850 ratings)](https://appshunter.io/ios/app/littmann-learning/id1324485260/reviews)** | [4.1 (7 ratings)](https://appshunter.io/ios/app/prepssm/id1452631957/reviews) |
| Number of ratings | **850** | 7 |
| Positive reviews | **47.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 155 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [CSD Labs](https://appshunter.io/developer/1318756877) | [ECNI](https://appshunter.io/developer/915067392) |

## What reviewers say

### 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 |


### prepSSM

[App page](https://appshunter.io/ios/app/prepssm/id1452631957)

This platform offers preparation for a national specialization school entrance exam. It features weekly quizzes with detailed explanations and a national ranking. Free lessons are also available to all users.

**Highlights:** Weekly quizzes, Detailed explanations, National student ranking, Free lessons, Progress tracking, Cross-device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Littmann Learning free?

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

### Is prepSSM free?

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

### Which has better reviews, Littmann Learning or prepSSM?

Littmann Learning is rated higher. Littmann Learning averages 4.9 out of 5 from 850 ratings, while prepSSM averages 4.1 from 7 ratings.

### Do Littmann Learning or prepSSM have ads?

Neither Littmann Learning nor prepSSM shows ads.

### Which is updated more often, Littmann Learning or prepSSM?

Littmann Learning ships an update every 6 weeks, and prepSSM every 3 weeks. Most recently, Littmann Learning was updated on October 12, 2026 and prepSSM on October 3, 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.*