# Longevity One Pro vs Prism

The clearest difference is iOS requirement: Longevity One Pro at 17.6 against Prism's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Longevity One Pro sells 2 in-app purchases, starting at $9.99 per month and Prism sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Longevity One Pro ships an update every 6 days, Prism every 11 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Longevity One Pro | Prism |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 11 days |
| Monetization | Freemium | — |
| Size | 244 MB | 3 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Fetched Wellness Ltd](https://appshunter.io/developer/1808805796) | [剑炜 陈](https://appshunter.io/developer/1868267178) |

## What reviewers say

### Longevity One Pro

[App page](https://appshunter.io/ios/app/longevity-one-pro/id6745081012)

This app translates longevity research into actionable daily habits. It uses lifestyle data, optional blood markers, and AI to estimate your health-span potential and guide you toward healthier choices. Track progress, store health documents, and gain AI-powered insights to add healthy years to your life.

**Highlights:** Longevity Score tracking, Lifestyle Age comparison, Biological Age calculation (blood tests), AI Daily Insights and recommendations, Habit Builder & Tracker, Evidence-based lessons and quizzes, Trends dashboard, Apple Health sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Longevity One Pro Plan | $9.99 | per month |
| Annnual Subscription | $99.99 | per year |


### Prism

[App page](https://appshunter.io/ios/app/prism-sunlight-tracker/id6758259341)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Premium (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is Longevity One Pro free?

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

### Is Prism free?

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

### Do Longevity One Pro or Prism have ads?

Neither Longevity One Pro nor Prism shows ads.

### Which is updated more often, Longevity One Pro or Prism?

Longevity One Pro ships an update every 6 days, and Prism every 11 days. Most recently, Longevity One Pro was updated on October 10, 2026 and Prism on October 11, 2026.

---

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