# What Sticks vs POTS Tracker

The clearest difference is in-app purchases: What Sticks at none against POTS Tracker's 1. POTS Tracker's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. POTS Tracker sells 1 one-off in-app purchase. What Sticks asks for nothing beyond the download.

What Sticks ships an update every 2 months, POTS Tracker every 3 weeks. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | What Sticks | POTS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/what-sticks/id6670183165/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 50 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Nick Rodriguez](https://appshunter.io/developer/1634549750) | [Daniel Gartler](https://appshunter.io/developer/6789568198) |

## What reviewers say

### What Sticks

[App page](https://appshunter.io/ios/app/what-sticks/id6670183165)

This app helps you understand how sleep, exercise, and walking habits are related. It analyzes data from your devices to reveal personal correlations and provide insights into your wellness.

**Highlights:** Create relationship tables, Analyze sleep, exercise, and walking data, Uncover wellness factors, Evidence-based self-understanding, View data on iPhone tables, Access algorithms on GitHub

**Features:** macOS Compatibility

**In-app purchases:** none


### POTS Tracker

[App page](https://appshunter.io/ios/app/pots-tracker-dysautonomie/id6797274783)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| POTS Tracker: Dysautonomia | $17.99 | one-time |


## Frequently asked questions

### Is What Sticks free?

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

### Is POTS Tracker free?

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

### Do What Sticks or POTS Tracker have ads?

Neither What Sticks nor POTS Tracker shows ads.

### Which is updated more often, What Sticks or POTS Tracker?

What Sticks ships an update every 2 months, and POTS Tracker every 3 weeks. Most recently, What Sticks was updated on October 11, 2026 and POTS Tracker on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*