# Eventorio vs Explore ZEISS

The clearest difference is update cadence: Eventorio at monthly against Explore ZEISS's every 4 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.

Eventorio ships an update monthly, Explore ZEISS every 4 months. The most recent releases landed on August 27, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Eventorio | Explore ZEISS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 44 MB | 258 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pale Blue Software Ltd](https://appshunter.io/developer/425510505) | [Carl Zeiss AG](https://appshunter.io/developer/488066215) |

## What reviewers say

### Eventorio

[App page](https://appshunter.io/ios/app/eventorio/id6502608372)

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

**In-app purchases:** none


### Explore ZEISS

[App page](https://appshunter.io/ios/app/explore-zeiss/id6753989361)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eventorio free?

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

### Is Explore ZEISS free?

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

### Do Eventorio or Explore ZEISS have ads?

Neither Eventorio nor Explore ZEISS shows ads.

### Which is updated more often, Eventorio or Explore ZEISS?

Eventorio ships an update monthly, and Explore ZEISS every 4 months. Most recently, Eventorio was updated on August 27, 2026 and Explore ZEISS on September 18, 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.*