# Atmotube PRO vs How Often

The clearest difference is review sentiment: How Often at 100% against Atmotube PRO's 27%. How Often also leads on rating (5.0 vs 3.3). Atmotube PRO's advantage is in-app purchases (none vs 3) and ratings volume (26 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. How Often sells 3 one-off in-app purchases. Atmotube PRO asks for nothing beyond the download.

How Often holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Atmotube PRO has 26 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 27% of Atmotube PRO's written reviews are positive against 100% of How Often's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Atmotube PRO | How Often |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (26 ratings)](https://appshunter.io/ios/app/atmotube-pro/id1548269875/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/how-often/id6762408751/reviews)** |
| Number of ratings | **26** | 3 |
| Positive reviews | 27.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 54 MB | 3 MB |
| Requires iOS | **14.1** | 26.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Atmotech Inc.](https://appshunter.io/developer/882288185) | [Square Remix Inc](https://appshunter.io/developer/440995491) |

## What reviewers say

### Atmotube PRO

[App page](https://appshunter.io/ios/app/atmotube-pro/id1548269875)

This app works with Atmotube PRO and PLUS devices to monitor your surroundings for air pollution and weather changes. It provides real-time alerts when air quality is unsafe, helping you make informed decisions for healthier living.

**Highlights:** Monitors air pollution, Tracks weather changes, Real-time safety alerts, Supports Atmotube PRO and PLUS, Helps make healthier choices

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

**In-app purchases:** none


### How Often

[App page](https://appshunter.io/ios/app/how-often/id6762408751)

Log events and discover hidden patterns in your life, family, or pets. Automatically identifies correlations and trends, presenting them in clear language and visual charts. Export data for sharing with professionals or personal records.

**Highlights:** Automatic pattern discovery, Cross-profile correlations, Frequency charts with overlays, Day/time heatmaps, Milestone and streak tracking, CSV data export, PDF summary reports

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 1 Profile | $1.99 | one-time |
| Add 2 Profiles | $2.99 | one-time |
| Add Unlimited Profiles | $6.99 | one-time |


## Frequently asked questions

### Is Atmotube PRO free?

Atmotube PRO is free to download, with no in-app purchases.

### Is How Often free?

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

### Which has better reviews, Atmotube PRO or How Often?

How Often is rated higher. Atmotube PRO averages 3.3 out of 5 from 26 ratings, while How Often averages 5.0 from 3 ratings.

### Do Atmotube PRO or How Often have ads?

Neither Atmotube PRO nor How Often shows ads.

### Which is updated more often, Atmotube PRO or How Often?

Atmotube PRO ships an update every 2 months, and How Often every 2 months. Most recently, Atmotube PRO was updated on October 15, 2026 and How Often on October 6, 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.*