# Aether vs Longevity Arc

The clearest difference is update cadence: Longevity Arc at every 3 days against Aether's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Aether sells 2 in-app purchases, starting at $4.99 per month and Longevity Arc sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Aether ships an update every 2 weeks, Longevity Arc every 3 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Aether | Longevity Arc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aether-symptom-and-mood-tracker/id6759995714/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 80 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [ThinkComputing LLC](https://appshunter.io/developer/1757062343) | [Radoslaw Jozefowicz](https://appshunter.io/developer/1859278240) |

## What reviewers say

### Aether

[App page](https://appshunter.io/ios/app/aether-symptom-and-mood-tracker/id6759995714)

This app uses AI to analyze your logged moods, symptoms, and wearable data to identify hidden patterns and triggers behind how you feel. It provides personalized insights and observations based on your unique data, helping you understand your well-being better. Log various aspects of your health quickly and privately to uncover connections you might otherwise miss.

**Highlights:** AI-driven pattern and trigger identification, Connects wearable data (heart rate, sleep, activity), Personalized insights based on user logs, Quick and private daily logging, Encrypted data with Face ID/Touch ID protection, AI companion for personalized answers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aether Plus Monthly | $4.99 | per month |
| Aether Plus Yearly | $39.99 | per year |


### Longevity Arc

[App page](https://appshunter.io/ios/app/longevity-arc/id6766045106)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Lifetime Pro | $9.99 | one-time |


## Frequently asked questions

### Is Aether free?

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

### Is Longevity Arc free?

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

### Do Aether or Longevity Arc have ads?

Neither Aether nor Longevity Arc shows ads.

### Which is updated more often, Aether or Longevity Arc?

Aether ships an update every 2 weeks, and Longevity Arc every 3 days. Most recently, Aether was updated on October 13, 2026 and Longevity Arc on October 7, 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.*