# Vivio Pro vs RES Serbia

The clearest difference is update cadence: RES Serbia at fortnightly against Vivio Pro's every 2 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.

Vivio Pro ships an update every 2 months, RES Serbia fortnightly. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Vivio Pro | RES Serbia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 22 MB | 102 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Vivio DOO](https://appshunter.io/developer/1745489393) | [Dusan Trpkovic](https://appshunter.io/developer/1676811547) |

## What reviewers say

### Vivio Pro

[App page](https://appshunter.io/ios/app/vivio-pro/id6502442521)

**Features:** macOS Compatibility

**In-app purchases:** none


### RES Serbia

[App page](https://appshunter.io/ios/app/res-serbia/id6749229398)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vivio Pro free?

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

### Is RES Serbia free?

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

### Do Vivio Pro or RES Serbia have ads?

Neither Vivio Pro nor RES Serbia shows ads.

### Which is updated more often, Vivio Pro or RES Serbia?

Vivio Pro ships an update every 2 months, and RES Serbia fortnightly. Most recently, Vivio Pro was updated on September 13, 2026 and RES Serbia on September 10, 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.*