# AION app vs CPAP Analysis

The clearest difference is in-app purchases: AION app at none against CPAP Analysis's 2. AION app also leads on update cadence (every 2 days vs weekly) and iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. CPAP Analysis sells 2 in-app purchases, starting at $5.99 per month. AION app asks for nothing beyond the download.

AION app ships an update every 2 days, CPAP Analysis weekly. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | AION app | CPAP Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/cpap-analysis-tracker-and-log/id6759938653/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Freemium |
| Size | 30 MB | 36 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Age rating | 17+ | 17+ |
| Developer | [Rani Ophir](https://appshunter.io/developer/633104858) | [Fellbeck Ltd](https://appshunter.io/developer/1833665126) |

## What reviewers say

### AION app

[App page](https://appshunter.io/ios/app/aion-app/id6758244788)

**Features:** macOS Compatibility

**In-app purchases:** none


### CPAP Analysis

[App page](https://appshunter.io/ios/app/cpap-analysis-tracker-and-log/id6759938653)

Easily import and analyze your CPAP machine's data directly on your iPhone. Track events, pressure, SpO2, and sleep trends. Integrates with Apple Health and allows secure data sharing.

**Highlights:** SD card data import, Event breakdown by type, Leak rate and pressure tracking, Respiratory metrics, SpO2 and pulse monitoring, Apple Health integration, Secure data sharing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CPAP Analysis Monthly Subscription | $5.99 | per month |
| CPAP Analysis Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is AION app free?

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

### Is CPAP Analysis free?

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

### Do AION app or CPAP Analysis have ads?

Neither AION app nor CPAP Analysis shows ads.

### Which is updated more often, AION app or CPAP Analysis?

AION app ships an update every 2 days, and CPAP Analysis weekly. Most recently, AION app was updated on October 7, 2026 and CPAP Analysis on October 18, 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.*