# 3FIT vs POTS Tracker

The clearest difference is device support: 3FIT at 3 against POTS Tracker's 1. 3FIT also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 3FIT sells 1 in-app purchase, starting at $299.99 per month and POTS 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.

3FIT ships an update every 2 months, POTS Tracker every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 3FIT | POTS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pots-tracker-bp-hr-pulse/id6746072003/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Freemium |
| Size | 52 MB | 35 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Zachariah Salmi](https://appshunter.io/developer/1796864016) | [Exhalo](https://appshunter.io/developer/1683499451) |

## What reviewers say

### 3FIT

[App page](https://appshunter.io/ios/app/3fit/id6742111056)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $299.99 | per month |


### POTS Tracker

[App page](https://appshunter.io/ios/app/pots-tracker-bp-hr-pulse/id6746072003)

This app helps individuals manage Postural Orthostatic Tachycardia Syndrome (POTS) by providing personalized flare forecasts, hourly risk breakdowns, and timely alerts. It allows users to monitor triggers, spot patterns in their health data, and log symptoms quickly to gain better control over their condition.

**Highlights:** Personalized flare forecasts, Hourly risk breakdown, Proactive alerts, Trigger monitoring, Pattern identification, Quick symptom logging

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Weekly Premium | $3.99 | per 7 days |
| Annually Premium | $29.99 | per year |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is 3FIT free?

3FIT is free to download, with in-app purchases available.

### Is POTS Tracker free?

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

### Do 3FIT or POTS Tracker have ads?

Neither 3FIT nor POTS Tracker shows ads.

### Which is updated more often, 3FIT or POTS Tracker?

3FIT ships an update every 2 months, and POTS Tracker every 6 weeks. Most recently, 3FIT was updated on October 24, 2026 and POTS Tracker on October 25, 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.*