# Zero100 Events vs o9 Events

The clearest difference is update cadence: Zero100 Events at monthly against o9 Events's every 2 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.

Zero100 Events ships an update monthly, o9 Events every 2 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Zero100 Events | o9 Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 54 MB | 76 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Z100 Community Limited](https://appshunter.io/developer/1626289953) | [o9 Solutions, Inc.](https://appshunter.io/developer/1382100673) |

## What reviewers say

### Zero100 Events

[App page](https://appshunter.io/ios/app/zero100-events/id1660768658)

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

**In-app purchases:** none


### o9 Events

[App page](https://appshunter.io/ios/app/o9-events/id6745275953)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero100 Events free?

Zero100 Events is free to download, with no in-app purchases.

### Is o9 Events free?

o9 Events is free to download, with no in-app purchases.

### Do Zero100 Events or o9 Events have ads?

Neither Zero100 Events nor o9 Events shows ads.

### Which is updated more often, Zero100 Events or o9 Events?

Zero100 Events ships an update monthly, and o9 Events every 2 months. Most recently, Zero100 Events was updated on October 24, 2026 and o9 Events on October 6, 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.*