# HALT 360 vs Zest

The clearest difference is update cadence: Zest at every 3 weeks against HALT 360's every 3 months. 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.

HALT 360 ships an update every 3 months, Zest every 3 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HALT 360 | Zest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zest-longevity/id6639614937/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 17 MB | 23 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [My Dietitian](https://appshunter.io/developer/563973316) | [Zest Longevity LTD](https://appshunter.io/developer/1657646407) |

## What reviewers say

### HALT 360

[App page](https://appshunter.io/ios/app/halt-360/id6462537199)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zest

[App page](https://appshunter.io/ios/app/zest-longevity/id6639614937)

Discover your body's internal age and receive personalized insights to slow your aging rate. This app uses at-home tests and machine learning to analyze health metrics like cardiovascular fitness and cognitive function, providing tailored recommendations for improvement.

**Highlights:** Measure Functional Age, At-home health testing, Personalized health insights, Machine learning analysis, Tailored recommendations, Track aging metrics

**In-app purchases:** none


## Frequently asked questions

### Is HALT 360 free?

HALT 360 is free to download, with no in-app purchases.

### Is Zest free?

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

### Do HALT 360 or Zest have ads?

Neither HALT 360 nor Zest shows ads.

### Which is updated more often, HALT 360 or Zest?

HALT 360 ships an update every 3 months, and Zest every 3 weeks. Most recently, HALT 360 was updated on October 12, 2026 and Zest on October 10, 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.*