# C19 vs Autonomic

The clearest difference is review sentiment: Autonomic at 100% against C19's 25%. Autonomic also leads on update cadence (every 4 days vs every 9 days). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. C19 sells 5 in-app purchases, starting at $2.99 per month and Autonomic sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

C19 ships an update every 9 days, Autonomic every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | C19 | Autonomic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (16 ratings)](https://appshunter.io/ios/app/autonomic-hrv-and-pots-tracker/id6789786971/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 45 MB | 32 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Elaros](https://appshunter.io/developer/1544802505) | [Austin Spaeth](https://appshunter.io/developer/6789786973) |

## What reviewers say

### C19

[App page](https://appshunter.io/ios/app/c19-yrs/id1558489041)

This NHS-approved application allows clinical teams and universities to manage patient conditions remotely, conduct research, and access support resources. Public-facing versions offer optional subscription services for enhanced features.

**Highlights:** Remote condition management, Clinical service integration, University research participation, Public-facing applications, Optional subscription services, Health and wellbeing resources

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MEA-CAT Self Reporting | $2.99 | per month |
| C19-YRS Self Reporting | $2.99 | per month |
| Self-Reporting Subscription | $2.99 | per year |
| MEA-CAT Self Reporting | $19.99 | per year |
| C19-YRS Self Reporting | $19.99 | per year |


### Autonomic

[App page](https://appshunter.io/ios/app/autonomic-hrv-and-pots-tracker/id6789786971)

This app helps individuals manage chronic conditions like Long COVID, ME/CFS, and POTS by providing a daily pacing budget based on personal HRV readings and activity levels. It offers detailed HRV analysis, cycle impact tracking, and POTS testing, all while prioritizing user privacy with no account or ads.

**Highlights:** Daily pacing budget based on personal data, HRV analysis from various devices, Cycle impact tracking for women, Guided POTS testing, Comprehensive symptom and trigger logging, On-device data processing and insights

**Features:** Family Sharing, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Autonomic Monthly Subscription | $7.99 | per month |
| Autonomic Pro Yearly Promo | $24.99 | per year |
| Autonomic Pro Yearly Early Sign Up | $35.99 | per year |
| Autonomic Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is C19 free?

C19 is free to download, with in-app purchases available.

### Is Autonomic free?

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

### Do C19 or Autonomic have ads?

Neither C19 nor Autonomic shows ads.

### Which is updated more often, C19 or Autonomic?

C19 ships an update every 9 days, and Autonomic every 4 days. Most recently, C19 was updated on November 3, 2026 and Autonomic on November 5, 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.*