# Valve PPM vs CBC Lightning

The clearest difference is update cadence: CBC Lightning at every 6 days against Valve PPM's every 2 months. Valve PPM's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Valve PPM against 5.0 for CBC Lightning. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Valve PPM ships an update every 2 months, CBC Lightning every 6 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Valve PPM | CBC Lightning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/valve-ppm/id1604258260/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cbc-lightning/id1658443732/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 37 MB | 123 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [KRUTSCH](https://appshunter.io/developer/1454678018) | [Leslie Saxon](https://appshunter.io/developer/1455660723) |

## 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


### CBC Lightning

[App page](https://appshunter.io/ios/app/cbc-lightning/id1658443732)

This research app collects data for a USC study on warfighter status. It includes consent forms, surveys, wellness resources, and personal insights. It integrates with HealthKit but does not provide medical diagnoses or treatment.

**Highlights:** Informed consent for research study, Daily and weekly surveys, General health and wellness resources, Summarized personal insights, HealthKit integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Valve PPM free?

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

### Is CBC Lightning free?

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

### Which has better reviews, Valve PPM or CBC Lightning?

Valve PPM and CBC Lightning are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Valve PPM or CBC Lightning have ads?

Neither Valve PPM nor CBC Lightning shows ads.

### Which is updated more often, Valve PPM or CBC Lightning?

Valve PPM ships an update every 2 months, and CBC Lightning every 6 days. Most recently, Valve PPM was updated on October 8, 2026 and CBC Lightning on October 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.*