# СЭД vs Event.A

The clearest difference is update cadence: СЭД at every 10 days against Event.A's monthly. СЭД also leads on iOS requirement (11.0 vs 15.0). 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.

СЭД ships an update every 10 days, Event.A monthly. The most recent releases landed on August 21, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | СЭД | Event.A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 136 MB | 69 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Popolitov Evgenyi](https://appshunter.io/developer/1541860378) | [Mercury Development, LLC](https://appshunter.io/developer/305978040) |

## What reviewers say

### СЭД

[App page](https://appshunter.io/ios/app/id1564584363)

**Features:** macOS Compatibility

**In-app purchases:** none


### Event.A

[App page](https://appshunter.io/ios/app/eventa/id6475043371)

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

**In-app purchases:** none


## Frequently asked questions

### Is СЭД free?

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

### Is Event.A free?

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

### Do СЭД or Event.A have ads?

Neither СЭД nor Event.A shows ads.

### Which is updated more often, СЭД or Event.A?

СЭД ships an update every 10 days, and Event.A monthly. Most recently, СЭД was updated on August 21, 2026 and Event.A on September 7, 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.*