# Cardiogram | Track HR, POTS vs GymTimer

The clearest difference is in-app purchases: GymTimer at none against Cardiogram | Track HR, POTS's 2. GymTimer also leads on update cadence (daily vs every 9 days). Cardiogram | Track HR, POTS's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cardiogram | Track HR, POTS sells 2 in-app purchases, starting at $7.99 per month. GymTimer asks for nothing beyond the download.

Cardiogram | Track HR, POTS ships an update every 9 days, GymTimer daily. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Cardiogram | Track HR, POTS | GymTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cardiogram-track-hr-pots/id6778701440/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Freemium | — |
| Size | 6 MB | 40 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Qaly, Inc.](https://appshunter.io/developer/1542398773) | [Andrea Gioco](https://appshunter.io/developer/6810400576) |

## What reviewers say

### Cardiogram | Track HR, POTS

[App page](https://appshunter.io/ios/app/cardiogram-track-hr-pots/id6778701440)

Monitor your heart rate, log POTS episodes, and track symptoms like dizziness and fatigue. Identify triggers and gain insights into your health trends. Generate shareable reports for your healthcare provider.

**Highlights:** Heart rate tracking and history, POTS episode logging, Symptom tracking, Trigger tracking, Heart rate trends and insights, Printable and shareable reports

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan (Subscription) | $7.99 | per month |
| Annual Plan (Subscription) | $39.99 | per year |


### GymTimer

[App page](https://appshunter.io/ios/app/gymtimer-rest-and-rep-timer/id6810400574)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cardiogram | Track HR, POTS free?

Cardiogram | Track HR, POTS is free to download, with in-app purchases available.

### Is GymTimer free?

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

### Do Cardiogram | Track HR, POTS or GymTimer have ads?

GymTimer shows ads; Cardiogram | Track HR, POTS does not.

### Which is updated more often, Cardiogram | Track HR, POTS or GymTimer?

Cardiogram | Track HR, POTS ships an update every 9 days, and GymTimer daily. Most recently, Cardiogram | Track HR, POTS was updated on October 28, 2026 and GymTimer on October 26, 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.*