# Ермолай vs vSysteme

The clearest difference is update cadence: vSysteme at every 2 days against Ермолай's every 5 days. vSysteme also leads on iOS requirement (15.0 vs 17.0). 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.

Ермолай ships an update every 5 days, vSysteme every 2 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Ермолай | vSysteme |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 24 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Sergei Nikulin](https://appshunter.io/developer/1895554328) | [Vitalii Sheremet](https://appshunter.io/developer/1241482758) |

## What reviewers say

### Ермолай

[App page](https://appshunter.io/ios/app/ai/id6767999390)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### vSysteme

[App page](https://appshunter.io/ios/app/vsysteme-tasks-and-reminders/id6809566109)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ермолай free?

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

### Is vSysteme free?

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

### Do Ермолай or vSysteme have ads?

Neither Ермолай nor vSysteme shows ads.

### Which is updated more often, Ермолай or vSysteme?

Ермолай ships an update every 5 days, and vSysteme every 2 days. Most recently, Ермолай was updated on October 24, 2026 and vSysteme 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.*