# CIM Events vs CNA2026

The clearest difference is update cadence: CNA2026 at every 3 weeks against CIM Events's every 3 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.

CIM Events ships an update every 3 months, CNA2026 every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CIM Events | CNA2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 61 MB | 47 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Canadian Institute of Mining, Metallurgy and Petroleum](https://appshunter.io/developer/1477092249) | [Canadian Nuclear Association](https://appshunter.io/developer/775237894) |

## What reviewers say

### CIM Events

[App page](https://appshunter.io/ios/app/cim-events/id6470238786)

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

**In-app purchases:** none


### CNA2026

[App page](https://appshunter.io/ios/app/cna2026/id6760858332)

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

**In-app purchases:** none


## Frequently asked questions

### Is CIM Events free?

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

### Is CNA2026 free?

CNA2026 is free to download, with no in-app purchases.

### Do CIM Events or CNA2026 have ads?

Neither CIM Events nor CNA2026 shows ads.

### Which is updated more often, CIM Events or CNA2026?

CIM Events ships an update every 3 months, and CNA2026 every 3 weeks. Most recently, CIM Events was updated on November 3, 2026 and CNA2026 on October 31, 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.*