# iPPG Lab vs PulseWaveViewer

The clearest difference is ads: iPPG Lab at none against PulseWaveViewer's shown. iPPG Lab also leads on update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

iPPG Lab ships an update every 2 weeks, PulseWaveViewer every 2 months. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | iPPG Lab | PulseWaveViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 8 MB | 39 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [kodai koga](https://appshunter.io/developer/1671422623) | [Sadayuki Akagi](https://appshunter.io/developer/1886078023) |

## What reviewers say

### iPPG Lab

[App page](https://appshunter.io/ios/app/ippg-lab/id6751403294)

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

**In-app purchases:** none


### PulseWaveViewer

[App page](https://appshunter.io/ios/app/pulsewaveviewer/id6761648353)

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

**In-app purchases:** none


## Frequently asked questions

### Is iPPG Lab free?

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

### Is PulseWaveViewer free?

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

### Do iPPG Lab or PulseWaveViewer have ads?

PulseWaveViewer shows ads; iPPG Lab does not.

### Which is updated more often, iPPG Lab or PulseWaveViewer?

iPPG Lab ships an update every 2 weeks, and PulseWaveViewer every 2 months. Most recently, iPPG Lab was updated on October 22, 2026 and PulseWaveViewer on October 18, 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.*