# Substrata vs Click Pain

The clearest difference is update cadence: Click Pain at daily against Substrata's every 4 days. Click Pain also leads on iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Substrata sells 4 in-app purchases, starting at $4.99 per month and Click Pain sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Substrata ships an update every 4 days, Click Pain daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Substrata | Click Pain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/substrata-headache-tracker/id6759664433/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Freemium | — |
| Size | 7 MB | 2 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Steven Knauss](https://appshunter.io/developer/1877190883) | [Mechanic Cat](https://appshunter.io/developer/515277567) |

## What reviewers say

### Substrata

[App page](https://appshunter.io/ios/app/substrata-headache-tracker/id6759664433)

This app analyzes environmental factors like weather and noise alongside your personal health data, such as sleep and heart rate, to identify potential triggers for headaches and other symptoms. It uses on-device intelligence to provide plain-English explanations and predictive alerts, helping you understand what affects your well-being.

**Highlights:** Sleep condition scoring, Headache and symptom logging, Personal trigger profile building, Predictive alert system, On-device AI correlation, HealthKit and Apple Watch integration, PDF and CSV export

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Substrata Premium Monthly | $4.99 | per month |
| Substrata Premium Annual | $29.99 | per year |
| Substrata Premium | $3.99 | one-time |
| Substrata Premium Lifetime | $89.99 | one-time |


### Click Pain

[App page](https://appshunter.io/ios/app/click-pain-symptom-tracker/id6802648866)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Click Pain Pro – Monthly | $3.99 | per month |
| Click Pain Pro - Yearly | $22.99 | per year |
| Click Pain Pro - Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Substrata free?

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

### Is Click Pain free?

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

### Do Substrata or Click Pain have ads?

Neither Substrata nor Click Pain shows ads.

### Which is updated more often, Substrata or Click Pain?

Substrata ships an update every 4 days, and Click Pain daily. Most recently, Substrata was updated on November 5, 2026 and Click Pain on October 31, 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.*