# LIFETIME Longevity AI vs U

The clearest difference is update cadence: U at weekly against LIFETIME Longevity AI's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LIFETIME Longevity AI ships an update every 4 weeks, U weekly. The most recent releases landed on October 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | LIFETIME Longevity AI | U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 70 MB | 77 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Lifetime Health Group](https://appshunter.io/developer/1733197517) | [U-Test Diagnostics LTD](https://appshunter.io/developer/1856272129) |

## What reviewers say

### LIFETIME Longevity AI

[App page](https://appshunter.io/ios/app/lifetime-longevity-ai/id6754841859)

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

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-test/id6755781754)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LIFETIME Longevity AI free?

LIFETIME Longevity AI is free to download, with no in-app purchases.

### Is U free?

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

### Do LIFETIME Longevity AI or U have ads?

Neither LIFETIME Longevity AI nor U shows ads.

### Which is updated more often, LIFETIME Longevity AI or U?

LIFETIME Longevity AI ships an update every 4 weeks, and U weekly. Most recently, LIFETIME Longevity AI was updated on October 25, 2026 and U on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*