# HQS vs Zanzero

The clearest difference is update cadence: Zanzero at every 6 months against HQS's every 27 months. HQS's advantage is device support and iOS requirement (12.0 vs 15.6). On price and in-app purchases there is nothing between them.

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

HQS ships an update every 27 months, Zanzero every 6 months. The most recent releases landed on May 16, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | HQS | Zanzero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 27 months | **Every 6 months** |
| Size | 167 MB | 46 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 9+ |
| Developer | [HQS, Maria Luisa Gugolati s.p.](https://appshunter.io/developer/1786656981) | [GAMMA SISTEMI SAS DI PEDRAZZOLI ROBERTO E C.](https://appshunter.io/developer/1686810315) |

## What reviewers say

### HQS

[App page](https://appshunter.io/ios/app/hqs/id1670128989)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zanzero

[App page](https://appshunter.io/ios/app/zanzero/id6448891450)

**In-app purchases:** none


## Frequently asked questions

### Is HQS free?

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

### Is Zanzero free?

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

### Which is updated more often, HQS or Zanzero?

HQS ships an update every 27 months, and Zanzero every 6 months. Most recently, HQS was updated on May 16, 2026 and Zanzero on July 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.*