# 心ちぇっく vs PulseWaveViewer

The clearest difference is ads: 心ちぇっく at none against PulseWaveViewer's shown. 心ちぇっく also leads on update cadence (every 10 days vs every 2 months). PulseWaveViewer's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

心ちぇっく ships an update every 10 days, PulseWaveViewer every 2 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 心ちぇっく | PulseWaveViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 7 MB | 39 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [Sadayuki Akagi](https://appshunter.io/developer/1886078023) |

## What reviewers say

### 心ちぇっく

[App page](https://appshunter.io/ios/app/id6760239258)

**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 心ちぇっく free?

心ちぇっく is free to download, with no in-app purchases.

### Is PulseWaveViewer free?

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

### Do 心ちぇっく or PulseWaveViewer have ads?

PulseWaveViewer shows ads; 心ちぇっく does not.

### Which is updated more often, 心ちぇっく or PulseWaveViewer?

心ちぇっく ships an update every 10 days, and PulseWaveViewer every 2 months. Most recently, 心ちぇっく was updated on October 11, 2026 and PulseWaveViewer on October 2, 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.*