This & That 13+

Name: This & That
Author: Mattew Bruce Greenfield

Correlations in Health data

Mattew Bruce Greenfield

Designed for iPad

- Free
- Offers In-App Purchases

Description

This & That find correlations in your Health data to help you gain a deeper understanding.

- Finds correlations between almost all Health app data types, including:
- Exercise and activity
- Dietary types (both macro and micro nutrients)
- Body measurements and vital signs
- Tracked symptoms
- Reproductive health
- Meditation and sleep stages
- Environmental sound and headphone exposure
- Daily weather (temperature, humidity, precipitation, etc)

- Calculates and displays statistically appropriate information such as correlation coefficients, confidence intervals, and p-values.

- Calculates cross correlations, lagged correlations for up to 60 days before and after, and also Granger causality.

- Provides correlation analyses in layman's terms to make the statistical data accessible and understandable.

Note: All app functionality requires an active free trial, active subscription, or Lifetime purchase.

1 Oct 2025

Version 2.0

# Correlations 2.0

## What's New

### Medications Support
With iOS 26 it's now possible to access medications data and build correlations with other data types. See correlations and causal relationships between medication doses and other health data types.

### New Liquid Glass Design
New Liquid Glass design for iOS 26

### Enhanced Correlation Analysis
New 'Causal only' filter and causal labels in correlation lists help you identify potential cause-and-effect relationships

### Additional Health Data Types
Added support for State of Mind and tooth brushing data

The developer, Mattew Bruce Greenfield, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.