# TOXBASE vs Valve PPM

The clearest difference is review sentiment: Valve PPM at 100% against TOXBASE's 21%. Valve PPM also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. TOXBASE sells 1 one-off in-app purchase. Valve PPM asks for nothing beyond the download.

Valve PPM holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 21% of TOXBASE's written reviews are positive against 100% of Valve PPM's.

TOXBASE ships an update every 6 months, Valve PPM every 2 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | TOXBASE | Valve PPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/toxbase/id519248940/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/valve-ppm/id1604258260/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 20.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 413 MB | 37 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [NHS Lothian](https://appshunter.io/developer/417219250) | [KRUTSCH](https://appshunter.io/developer/1454678018) |

## What reviewers say

### TOXBASE

[App page](https://appshunter.io/ios/app/toxbase/id519248940)

This clinical toxicology database offers healthcare professionals comprehensive advice on poisoning features and management. It provides detailed information on various toxins and clear, evidence-based treatment guidance. The app is designed for quick reference and can be used offline.

**Highlights:** Detailed poisons information, Traffic light triaging system, Point-by-point treatment advice, Evidence-based and peer-reviewed, Offline database access, 24/7 updated information

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 year subscription | $6.99 | one-time |


### 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


## Frequently asked questions

### Is TOXBASE free?

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

### Is Valve PPM free?

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

### Which has better reviews, TOXBASE or Valve PPM?

Valve PPM is rated higher. TOXBASE averages 1.0 out of 5 from 1 ratings, while Valve PPM averages 5.0 from 3 ratings.

### Do TOXBASE or Valve PPM have ads?

Neither TOXBASE nor Valve PPM shows ads.

### Which is updated more often, TOXBASE or Valve PPM?

TOXBASE ships an update every 6 months, and Valve PPM every 2 months. Most recently, TOXBASE was updated on September 21, 2026 and Valve PPM on September 21, 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.*