# Rotary Events vs Dotzza

The clearest difference is in-app purchases: Rotary Events at none against Dotzza's 4. Dotzza's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dotzza sells 4 in-app purchases, starting at $2.99 per month. Rotary Events asks for nothing beyond the download.

Rotary Events ships an update every 4 months, Dotzza fortnightly. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rotary Events | Dotzza |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/rotary-events/id1441229554/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 48 MB | 92 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ROTARY INTERNATIONAL](https://appshunter.io/developer/406614605) | [Dotzza](https://appshunter.io/developer/1871725828) |

## What reviewers say

### Rotary Events

[App page](https://appshunter.io/ios/app/rotary-events/id1441229554)

This official event app helps users personalize their schedule, access session resources, and connect with other attendees. It provides maps, speaker information, real-time updates, and interactive features like polls and surveys.

**Highlights:** Personalized schedule builder, Downloadable session resources, Participant networking, Transportation and venue maps, Speaker profiles, Real-time updates, Photo sharing, Polls and surveys

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

**In-app purchases:** none


### Dotzza

[App page](https://appshunter.io/ios/app/dotzza/id6758245020)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dotzza Lite Monthly | $2.99 | per month |
| Dotzza Pro – Monthly | $2.99 | per month |
| Dotzza Lite – Yearly | $19.99 | per year |
| Dotzza Pro – Yearly | $29.99 | per year |


## Frequently asked questions

### Is Rotary Events free?

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

### Is Dotzza free?

Dotzza is free to download, with in-app purchases available.

### Do Rotary Events or Dotzza have ads?

Neither Rotary Events nor Dotzza shows ads.

### Which is updated more often, Rotary Events or Dotzza?

Rotary Events ships an update every 4 months, and Dotzza fortnightly. Most recently, Rotary Events was updated on October 23, 2026 and Dotzza on October 14, 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.*