# This & That vs Ambient Works

The clearest difference is review sentiment: Ambient Works at 100% against This & That's 50%. Ambient Works also leads on rating (5.0 vs 3.6) and in-app purchases (none vs 3). This & That's advantage is ratings volume (9 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. This & That sells 3 in-app purchases, starting at $1.99 per month. Ambient Works asks for nothing beyond the download.

Ambient Works holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 50% of This & That's written reviews are positive against 100% of Ambient Works's.

This & That ships an update every 6 weeks, Ambient Works fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | This & That | Ambient Works |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (9 ratings)](https://appshunter.io/ios/app/this-and-that/id1660363624/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ambient-works/id6753068519/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 73 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Matthew Bruce Greenfield](https://appshunter.io/developer/444610547) | [Ambient X Ltd](https://appshunter.io/developer/1634964018) |

## What reviewers say

### This & That

[App page](https://appshunter.io/ios/app/this-and-that/id1660363624)

This app analyzes your health data to uncover correlations and provide insights into exercise, diet, vital signs, and more. It presents complex statistical information in an easy-to-understand format.

**Highlights:** Correlates diverse health data types, Analyzes exercise, diet, vitals, and more, Calculates correlation coefficients and p-values, Performs cross and lagged correlations, Explains statistical data in simple terms

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Yearly subscription | $17.99 | per year |
| Lifetime purchase | $69.99 | one-time |


### Ambient Works

[App page](https://appshunter.io/ios/app/ambient-works/id6753068519)

Monitor indoor air quality with a portable tracker. Get real-time data on pollutants like CO2 and VOCs to understand their impact on your health and focus. Take action to create healthier living and working environments.

**Highlights:** Real-time pollutant tracking, Monitors CO2, VOCs, particulate matter, Personalized indoor environment insights, Health and well-being impact analysis, Informed action for healthier spaces

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

**In-app purchases:** none


## Frequently asked questions

### Is This & That free?

This & That is free to download, with in-app purchases available.

### Is Ambient Works free?

Ambient Works is free to download, with no in-app purchases.

### Which has better reviews, This & That or Ambient Works?

Ambient Works is rated higher. This & That averages 3.6 out of 5 from 9 ratings, while Ambient Works averages 5.0 from 3 ratings.

### Do This & That or Ambient Works have ads?

Neither This & That nor Ambient Works shows ads.

### Which is updated more often, This & That or Ambient Works?

This & That ships an update every 6 weeks, and Ambient Works fortnightly. Most recently, This & That was updated on November 3, 2026 and Ambient Works on October 30, 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.*