# Health Chart vs Z Driver

The clearest difference is update cadence: Health Chart at every 3 weeks against Z Driver's every 3 months. Z Driver's advantage is iOS requirement (12.4 vs 14.0). 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.

Health Chart ships an update every 3 weeks, Z Driver every 3 months. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Health Chart | Z Driver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 57 MB | 35 MB |
| Requires iOS | 14.0 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Merak Tech Company For Integrated Solutions](https://appshunter.io/developer/1550580733) | [Oasis Livestock LLC.](https://appshunter.io/developer/1227769640) |

## What reviewers say

### Health Chart

[App page](https://appshunter.io/ios/app/health-chart/id6470282985)

**Features:** macOS Compatibility

**In-app purchases:** none


### Z Driver

[App page](https://appshunter.io/ios/app/z-driver/id6746042921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Health Chart free?

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

### Is Z Driver free?

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

### Do Health Chart or Z Driver have ads?

Neither Health Chart nor Z Driver shows ads.

### Which is updated more often, Health Chart or Z Driver?

Health Chart ships an update every 3 weeks, and Z Driver every 3 months. Most recently, Health Chart was updated on September 11, 2026 and Z Driver on September 8, 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.*