# Longevity App vs Keto Tracker .de

The clearest difference is in-app purchases: Longevity App at none against Keto Tracker .de's 1. Keto Tracker .de's advantage is update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Keto Tracker .de sells 1 in-app purchase, starting at $4.99 per month. Longevity App asks for nothing beyond the download.

Longevity App ships an update every 6 weeks, Keto Tracker .de daily. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Longevity App | Keto Tracker .de |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 176 MB | 26 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [The Longevity Path Inc.](https://appshunter.io/developer/1718128558) | [Marcel Goldfuss](https://appshunter.io/developer/1864534025) |

## What reviewers say

### Longevity App

[App page](https://appshunter.io/ios/app/longevity-app/id6472953365)

**Features:** Apple Wallet

**In-app purchases:** none


### Keto Tracker .de

[App page](https://appshunter.io/ios/app/keto-tracker-de/id6782939318)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keto Pro | $4.99 | per month |


## Frequently asked questions

### Is Longevity App free?

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

### Is Keto Tracker .de free?

Keto Tracker .de is free to download, with in-app purchases available.

### Do Longevity App or Keto Tracker .de have ads?

Neither Longevity App nor Keto Tracker .de shows ads.

### Which is updated more often, Longevity App or Keto Tracker .de?

Longevity App ships an update every 6 weeks, and Keto Tracker .de daily. Most recently, Longevity App was updated on September 30, 2026 and Keto Tracker .de on September 29, 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.*