# Valve PPM vs TSRA App

The clearest difference is rating: Valve PPM at 5.0 against TSRA App's 3.7. Valve PPM also leads on iOS requirement (15.1 vs 17.0). TSRA App's advantage is update cadence (every 11 days vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Valve PPM holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Valve PPM ships an update every 2 months, TSRA App every 11 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Valve PPM | TSRA App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/valve-ppm/id1604258260/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/tsra-app/id6759273737/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 37 MB | 20 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [KRUTSCH](https://appshunter.io/developer/1454678018) | [Syed Faaz Ashraf](https://appshunter.io/developer/1877808813) |

## What reviewers say

### Valve PPM

[App page](https://appshunter.io/ios/app/valve-ppm/id1604258260)

This tool assists medical professionals in assessing implanted prosthetic cardiac valves. It offers guidance for checking existing valve function and selecting the optimal valve before implantation based on patient and prosthesis parameters.

**Highlights:** Assess implanted valve function, Select optimal valve before implantation, Analyze patient and prosthesis parameters, Identify potential patient-prosthesis mismatch, Determine intrinsic prosthesis dysfunction

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

**In-app purchases:** none


### TSRA App

[App page](https://appshunter.io/ios/app/tsra-app/id6759273737)

This app provides cardiothoracic surgery residents with comprehensive study materials for board certification. It includes textbooks, a question bank, expert lectures, and structured courses, all accessible offline. Features like flashcards, annotation, and progress tracking enhance the learning experience.

**Highlights:** 6 TSRA textbooks with 600+ chapters, 1000+ board-style multiple-choice questions, 120+ expert audio lectures, Structured learning paths and quizzes, Custom flashcard creation, Offline access to content, Progress tracking and study streaks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Valve PPM free?

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

### Is TSRA App free?

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

### Which has better reviews, Valve PPM or TSRA App?

Valve PPM is rated higher. Valve PPM averages 5.0 out of 5 from 3 ratings, while TSRA App averages 3.7 from 3 ratings.

### Do Valve PPM or TSRA App have ads?

Neither Valve PPM nor TSRA App shows ads.

### Which is updated more often, Valve PPM or TSRA App?

Valve PPM ships an update every 2 months, and TSRA App every 11 days. Most recently, Valve PPM was updated on October 8, 2026 and TSRA App on October 25, 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.*