# zWatch vs Cali

The clearest difference is in-app purchases: zWatch at none against Cali's 4. zWatch also leads on iOS requirement (9.0 vs 15.1). Cali's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Cali sells 4 in-app purchases, starting at $6.99 per 7 days. zWatch asks for nothing beyond the download.

zWatch ships an update every 2 months, Cali daily. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | zWatch | Cali |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zwatch/id1509879901/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 113 MB | 80 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zadez Vietnam Company Limited](https://appshunter.io/developer/1259057705) | [app jungle](https://appshunter.io/developer/1887353748) |

## What reviewers say

### zWatch

[App page](https://appshunter.io/ios/app/zwatch/id1509879901)

This app tracks your daily activity, sleep patterns, and exercise, providing insights to encourage a healthy lifestyle. It requires a ZADEZ Smart Watch to function and offers customization options for your device.

**Highlights:** Accurate motion recording, Detailed sleeping analysis, Exercise tracking, Set notifications, Customize watch faces, Alarm settings, Apple Health integration

**In-app purchases:** none


### Cali

[App page](https://appshunter.io/ios/app/cali-ai-calorie-tracker/id6770953645)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cali Premium hebdomadaire | $6.99 | per 7 days |
| Abonnement Smart monthly | $9.99 | per month |
| Cali Premium Quarter | $17.99 | per 3 months |
| Abonnements cali annuel | $59.99 | per year |


## Frequently asked questions

### Is zWatch free?

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

### Is Cali free?

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

### Do zWatch or Cali have ads?

Neither zWatch nor Cali shows ads.

### Which is updated more often, zWatch or Cali?

zWatch ships an update every 2 months, and Cali daily. Most recently, zWatch was updated on November 3, 2026 and Cali on October 28, 2026.

---

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