# O!Business vs Optima Kassa

The clearest difference is update cadence: O!Business at monthly against Optima Kassa's every 10 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.

O!Business ships an update monthly, Optima Kassa every 10 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | O!Business | Optima Kassa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obusiness/id6466800716/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free | — |
| Size | 158 MB | 235 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [O!BANK, OAO](https://appshunter.io/developer/1559885106) | [Optima Bank OAO](https://appshunter.io/developer/1575934233) |

## What reviewers say

### O!Business

[App page](https://appshunter.io/ios/app/obusiness/id6466800716)

This mobile application allows individual entrepreneurs to manage their bank accounts and cards. It facilitates payment processing, enables transactions, and offers a range of other financial management tools.

**Highlights:** Account management, Card management, Payment acceptance, Transaction processing, Financial management tools

**In-app purchases:** none


### Optima Kassa

[App page](https://appshunter.io/ios/app/optima-kassa/id6738690244)

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

**In-app purchases:** none


## Frequently asked questions

### Is O!Business free?

O!Business is free to download, with no in-app purchases.

### Is Optima Kassa free?

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

### Do O!Business or Optima Kassa have ads?

Neither O!Business nor Optima Kassa shows ads.

### Which is updated more often, O!Business or Optima Kassa?

O!Business ships an update monthly, and Optima Kassa every 10 months. Most recently, O!Business was updated on October 24, 2026 and Optima Kassa on October 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.*