# Cardiographer vs Heartthrum

The clearest difference is in-app purchases: Heartthrum at none against Cardiographer's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cardiographer sells 1 in-app purchase, starting at $1.99 per month. Heartthrum asks for nothing beyond the download.

Cardiographer ships an update every 2 weeks, Heartthrum weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cardiographer | Heartthrum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 10 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) | [Dachverband Legasthenie Deutschland e.V.](https://appshunter.io/developer/719533476) |

## What reviewers say

### Cardiographer

[App page](https://appshunter.io/ios/app/cardiographer/id6782079327)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | per month |


### Heartthrum

[App page](https://appshunter.io/ios/app/heartthrum/id6792297139)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardiographer free?

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

### Is Heartthrum free?

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

### Do Cardiographer or Heartthrum have ads?

Neither Cardiographer nor Heartthrum shows ads.

### Which is updated more often, Cardiographer or Heartthrum?

Cardiographer ships an update every 2 weeks, and Heartthrum weekly. Most recently, Cardiographer was updated on October 28, 2026 and Heartthrum on October 24, 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.*