# Cardiographer vs Rosacea Flare Trigger Tracker

The clearest difference is iOS requirement: Cardiographer at 17.6 against Rosacea Flare Trigger Tracker's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Cardiographer sells 1 in-app purchase, starting at $1.99 per month and Rosacea Flare Trigger Tracker sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cardiographer ships an update every 2 weeks, Rosacea Flare Trigger Tracker every 10 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Cardiographer | Rosacea Flare Trigger Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 10 MB | 19 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) | [DENOVATE LTD](https://appshunter.io/developer/1872093549) |

## 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 |


### Rosacea Flare Trigger Tracker

[App page](https://appshunter.io/ios/app/rosacea-flare-trigger-tracker/id6791694772)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $1.99 | per 7 days |
| Pro Monthly | $4.99 | per month |
| Pro Annual Offer | $17.99 | per year |
| Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Cardiographer free?

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

### Is Rosacea Flare Trigger Tracker free?

Rosacea Flare Trigger Tracker is free to download, with in-app purchases available.

### Do Cardiographer or Rosacea Flare Trigger Tracker have ads?

Neither Cardiographer nor Rosacea Flare Trigger Tracker shows ads.

### Which is updated more often, Cardiographer or Rosacea Flare Trigger Tracker?

Cardiographer ships an update every 2 weeks, and Rosacea Flare Trigger Tracker every 10 days. Most recently, Cardiographer was updated on October 15, 2026 and Rosacea Flare Trigger Tracker on October 9, 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.*