# Substrata vs Kingtide

The clearest difference is device support: Kingtide at 3 against Substrata's 1. Kingtide also leads on iOS requirement (15.5 vs 26.2). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Substrata sells 4 in-app purchases, starting at $4.99 per month and Kingtide sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Substrata against 5.0 for Kingtide. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Substrata | Kingtide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/substrata-headache-tracker/id6759664433/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/kingtide-train-around-pain/id6798413652/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Freemium | Freemium |
| Size | 7 MB | 74 MB |
| Requires iOS | 26.2 | **15.5** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Steven Knauss](https://appshunter.io/developer/1877190883) | [KAYIITA JOHANSSON](https://appshunter.io/developer/6798413654) |

## 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 |


### Kingtide

[App page](https://appshunter.io/ios/app/kingtide-train-around-pain/id6798413652)

This adaptable workout app creates personalized plans that adjust around injuries, pain, or low energy days. It integrates your physical therapist's exercises and ensures your training continues even when you're not at your best. All your data stays securely on your device.

**Highlights:** Personalized workout plans, Pain and injury adaptation, Rehab plan integration, On-device data storage, Progressive overload tracking, Flexible session adjustment

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kingtide Pro Monthly | $9.99 | per month |
| Kingtide Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Substrata free?

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

### Is Kingtide free?

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

### Which has better reviews, Substrata or Kingtide?

Substrata and Kingtide are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do Substrata or Kingtide have ads?

Neither Substrata nor Kingtide shows ads.

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

Substrata ships an update every 4 days, and Kingtide every 4 days. Most recently, Substrata was updated on October 25, 2026 and Kingtide on October 24, 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.*