# Aion Longevity vs Stark

The clearest difference is ads: Stark at none against Aion Longevity's shown. Aion Longevity's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.1 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Aion Longevity sells 1 in-app purchase, starting at $0.99 per month and Stark sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Aion Longevity ships an update every 4 days, Stark every 2 weeks. The most recent releases landed on October 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Aion Longevity | Stark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 53 MB | 18 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Aion Longevity LTD](https://appshunter.io/developer/1788209936) | [Ralph Olazo](https://appshunter.io/developer/1846688159) |

## What reviewers say

### Aion Longevity

[App page](https://appshunter.io/ios/app/aion-longevity/id6758638095)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aion Pro Monthly | $0.99 | per month |


### Stark

[App page](https://appshunter.io/ios/app/stark-step-tracker/id6759113750)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stark Pro Weekly | $2.99 | per 7 days |
| Stark Pro Annual | $19.99 | per year |
| Stark Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Aion Longevity free?

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

### Is Stark free?

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

### Do Aion Longevity or Stark have ads?

Aion Longevity shows ads; Stark does not.

### Which is updated more often, Aion Longevity or Stark?

Aion Longevity ships an update every 4 days, and Stark every 2 weeks. Most recently, Aion Longevity was updated on October 1, 2026 and Stark on September 19, 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.*