# Calixa vs Zest

The clearest difference is in-app purchases: Zest at none against Calixa's 2. Calixa's advantage is iOS requirement (13.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Calixa sells 2 in-app purchases, starting at $5.99 per month. Zest asks for nothing beyond the download.

## The numbers

| Metric | Calixa | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 73 MB | 23 MB |
| Requires iOS | **13.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZUXRA ABDURASHIDOVA](https://appshunter.io/developer/1562799772) | [Zest Longevity LTD](https://appshunter.io/developer/1657646407) |

## What reviewers say

### Calixa

[App page](https://appshunter.io/ios/app/calixa/id1562799770)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Content | $5.99 | per month |
| Premium Content | $57.99 | per year |


### 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 Calixa free?

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

### Is Zest free?

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

### Do Calixa or Zest have ads?

Neither Calixa nor Zest shows ads.

---

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