# Substrata vs FichaMed

The clearest difference is iOS requirement: FichaMed at 16.4 against Substrata's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Substrata sells 4 in-app purchases, starting at $4.99 per month and FichaMed sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Substrata | FichaMed |
| --- | --- | --- |
| 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 | Every 4 days |
| Monetization | Freemium | — |
| Size | 7 MB | 53 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Steven Knauss](https://appshunter.io/developer/1877190883) | [Nascimento Software Desenvolvimento de Programas LTDA](https://appshunter.io/developer/1887340358) |

## 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 |


### FichaMed

[App page](https://appshunter.io/ios/app/fichamed/id6761020557)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FichaMed Pro Monthly | $1.99 | per month |
| FichaMed Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Substrata free?

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

### Is FichaMed free?

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

### Do Substrata or FichaMed have ads?

Neither Substrata nor FichaMed shows ads.

### Which is updated more often, Substrata or FichaMed?

Substrata ships an update every 4 days, and FichaMed every 4 days. Most recently, Substrata was updated on November 5, 2026 and FichaMed 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.*