# DeathX vs Feby

The clearest difference is review sentiment: Feby at 100% against DeathX's 25%. Feby also leads on rating (5.0 vs 4.0) and ads (none vs shown). DeathX's advantage is update cadence (every 3 days vs weekly) and ratings volume (4 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. DeathX sells 3 in-app purchases, starting at $29.99 per month and Feby sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Feby holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 25% of DeathX's written reviews are positive against 100% of Feby's.

DeathX ships an update every 3 days, Feby weekly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DeathX | Feby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/deathx/id6478449711/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/feby/id6751903508/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 50 MB | 48 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Jacob Safar](https://appshunter.io/developer/1694208524) | [Push Labs](https://appshunter.io/developer/1704685245) |

## What reviewers say

### DeathX

[App page](https://appshunter.io/ios/app/deathx/id6478449711)

This app offers personalized health insights, including biological age analysis, aging pace tracking, and biomarker monitoring. It helps users understand their health and make informed lifestyle choices for longevity. Compete on leaderboards to become the slowest aging person.

**Highlights:** Biological age analysis, Pace of aging insights, Biomarker tracking, Longevity workouts, Global leaderboards

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeathX Monthly Subscription | $29.99 | per month |
| DeathX+ Yearly Promo | $29.99 | per year |
| DeathX Yearly Subscription | $199.99 | per year |


### Feby

[App page](https://appshunter.io/ios/app/feby/id6751903508)

This AI-powered tool analyzes your food intake to provide nutritional insights. It helps you understand the health impact of your meals and make informed dietary choices. Achieve your wellness goals with personalized guidance.

**Highlights:** AI nutritional analysis, Food intake tracking, Dietary insights, Personalized guidance, Wellness goal support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $29.99 | per year |
| Premium Monthly | $7.99 | one-time |
| Premium Yearly | $29.99 | one-time |


## Frequently asked questions

### Is DeathX free?

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

### Is Feby free?

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

### Which has better reviews, DeathX or Feby?

Feby is rated higher. DeathX averages 4.0 out of 5 from 4 ratings, while Feby averages 5.0 from 1 ratings.

### Do DeathX or Feby have ads?

DeathX shows ads; Feby does not.

### Which is updated more often, DeathX or Feby?

DeathX ships an update every 3 days, and Feby weekly. Most recently, DeathX was updated on September 30, 2026 and Feby on October 1, 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.*