# SaltStack vs Cardiogram | Track HR, POTS

The clearest difference is update cadence: Cardiogram | Track HR, POTS at every 9 days against SaltStack's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SaltStack sells 3 in-app purchases, starting at $6.99 per month and Cardiogram | Track HR, POTS sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

SaltStack ships an update every 3 weeks, Cardiogram | Track HR, POTS every 9 days. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SaltStack | Cardiogram | Track HR, POTS |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 16 MB | 6 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [LaBounty Labs, LLC](https://appshunter.io/developer/1708657944) | [Qaly, Inc.](https://appshunter.io/developer/1542398773) |

## What reviewers say

### SaltStack

[App page](https://appshunter.io/ios/app/saltstack-electrolyte-tracker/id6759544311)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SaltStack Pro Monthly | $6.99 | per month |
| SaltStack Pro Yearly | $39.99 | per year |
| SaltStack Pro Lifetime | $99.99 | one-time |


### 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 |


## Frequently asked questions

### Is SaltStack free?

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

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

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

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

Neither SaltStack nor Cardiogram | Track HR, POTS shows ads.

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

SaltStack ships an update every 3 weeks, and Cardiogram | Track HR, POTS every 9 days. Most recently, SaltStack was updated on October 10, 2026 and Cardiogram | Track HR, POTS on October 28, 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.*