# Кeysystems Events vs А101 Качество

Кeysystems Events and А101 Качество are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Кeysystems Events ships an update every 5 days, А101 Качество every 3 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Кeysystems Events | А101 Качество |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 76 MB | 46 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Keysystems](https://appshunter.io/developer/648307797) | [A101-DIDZHITAL, OOO](https://appshunter.io/developer/1857609791) |

## What reviewers say

### Кeysystems Events

[App page](https://appshunter.io/ios/app/eysystems-events/id1495803854)

This app connects participants with online and offline events from a group of companies. Users can receive event notifications, register for sessions, participate in live events, interact with organizers, and download event materials.

**Highlights:** Event notifications, Registration for webinars and courses, Online event participation, Interaction with organizers and speakers, Meeting scheduling, Downloadable event materials

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

**In-app purchases:** none


### А101 Качество

[App page](https://appshunter.io/ios/app/101/id6760610406)

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

**In-app purchases:** none


## Frequently asked questions

### Is Кeysystems Events free?

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

### Is А101 Качество free?

А101 Качество is free to download, with no in-app purchases.

### Do Кeysystems Events or А101 Качество have ads?

Neither Кeysystems Events nor А101 Качество shows ads.

### Which is updated more often, Кeysystems Events or А101 Качество?

Кeysystems Events ships an update every 5 days, and А101 Качество every 3 days. Most recently, Кeysystems Events was updated on October 1, 2026 and А101 Качество on October 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.*