# flykk vs Optim System app

The clearest difference is update cadence: Optim System app at every 9 days against flykk's monthly. 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.

flykk ships an update monthly, Optim System app every 9 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | flykk | Optim System app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/flykk/id1502362456/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 27.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 236 MB | 44 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ISX Financial EU Ltd](https://appshunter.io/developer/1502362455) | [Optim Systems, Ltd.](https://appshunter.io/developer/1713704866) |

## What reviewers say

### flykk

[App page](https://appshunter.io/ios/app/flykk/id1502362456)

This digital wallet allows instant IBAN-based payments and money transfers to friends and family without complex bank details or hidden fees. It offers a unique EU IBAN, multiple top-up methods, and instant transfers up to €100,000.

**Highlights:** IBAN-based digital wallet, Instant payments and transfers, Unique EU IBAN, Multiple top-up methods, Physical & virtual cards, 24/7 live support

**In-app purchases:** none


### Optim System app

[App page](https://appshunter.io/ios/app/optim-system-app-weopsy/id6470450913)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is flykk free?

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

### Is Optim System app free?

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

### Do flykk or Optim System app have ads?

Neither flykk nor Optim System app shows ads.

### Which is updated more often, flykk or Optim System app?

flykk ships an update monthly, and Optim System app every 9 days. Most recently, flykk was updated on October 24, 2026 and Optim System app on October 30, 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.*