# OCH vs OVZZ

The clearest difference is update cadence: OVZZ at every 3 months against OCH's every 13 months. 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.

OCH ships an update every 13 months, OVZZ every 3 months. The most recent releases landed on May 18, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | OCH | OVZZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Size | 24 MB | 56 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [WeMa Mobile B.V.](https://appshunter.io/developer/494886354) | [Ondernemersvereniging Zaanstad Zuid (OVZZ)](https://appshunter.io/developer/1544271055) |

## What reviewers say

### OCH

[App page](https://appshunter.io/ios/app/och/id1451480865)

**Features:** macOS Compatibility

**In-app purchases:** none


### OVZZ

[App page](https://appshunter.io/ios/app/ovzz/id6746786482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OCH free?

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

### Is OVZZ free?

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

### Do OCH or OVZZ have ads?

Neither OCH nor OVZZ shows ads.

### Which is updated more often, OCH or OVZZ?

OCH ships an update every 13 months, and OVZZ every 3 months. Most recently, OCH was updated on May 18, 2026 and OVZZ on May 14, 2026.

---

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