# Deedmed Lives vs Substrata

The clearest difference is in-app purchases: Deedmed Lives at none against Substrata's 4. Deedmed Lives also leads on iOS requirement (13.4 vs 26.2). On price there is nothing between them.

Both are free to download. Substrata sells 4 in-app purchases, starting at $4.99 per month. Deedmed Lives asks for nothing beyond the download.

## The numbers

| Metric | Deedmed Lives | Substrata |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Freemium |
| Size | 97 MB | 7 MB |
| Requires iOS | **13.4** | 26.2 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [DEEDMED LIVES (PVT) LTD](https://appshunter.io/developer/1675670336) | [Steven Knauss](https://appshunter.io/developer/1877190883) |

## What reviewers say

### Deedmed Lives

[App page](https://appshunter.io/ios/app/deedmed-lives/id6446050798)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Deedmed Lives free?

Deedmed Lives is free to download, with no in-app purchases.

### Is Substrata free?

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

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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.*