# Zest vs Unbound

Zest and Unbound are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for Zest against 5.0 for Unbound. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Zest | Unbound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/zest-longevity/id6639614937/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unbound-redefining-longevity/id6756030442/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 23 MB | 94 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Zest Longevity LTD](https://appshunter.io/developer/1657646407) | [Unbound Living](https://appshunter.io/developer/1836227938) |

## What reviewers say

### 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


### Unbound

[App page](https://appshunter.io/ios/app/unbound-redefining-longevity/id6756030442)

This app offers personalized health guidance by combining culture, science, and community. It provides grounding rituals and connects users with a supportive community to foster intentional living. Insights are derived from in-person assessments and reports by licensed clinicians.

**Highlights:** Personalized health guidance, Grounding rituals, Community support, Clinician-prepared reports, In-person assessments

**In-app purchases:** none


## Frequently asked questions

### Is Zest free?

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

### Is Unbound free?

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

### Which has better reviews, Zest or Unbound?

Zest and Unbound are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Zest or Unbound have ads?

Neither Zest nor Unbound shows ads.

### Which is updated more often, Zest or Unbound?

Zest ships an update every 3 weeks, and Unbound every 3 weeks. Most recently, Zest was updated on October 10, 2026 and Unbound on October 14, 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.*