flykk vs Optim System app
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
flykk
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.
- IBAN-based digital wallet
- Instant payments and transfers
- Unique EU IBAN
- Multiple top-up methods
- Physical & virtual cards
- 24/7 live support
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flykk® is an IBAN-based digital wallet that lets you execute payments and send money to friends & family instantly! No more hassles with bank details and hidden costs - just simple & easy transfers. With flykk®, you get: - A unique EU IBAN. - Multiple top up methods. - Instant bank transfers of up to €100,000 (where supported by a sender’s bank/institution). - Free flykk® to flykk® transfers. - 24/7 live support. - A fresh user experience in our brand new flykk® app. - Physical & virtual cards from Diner's Club International, with which you receive worldwide card approval, airport lounge access, exclusive deals, highlighted getaways, and you get to give back to your community. Fees may apply for other in-app services. ISX Financial EU Plc is authorised and regulated in the EEA/EU & UK by the CBC & FCA respectively, as an Electronic Money Institution. flykk® Your money, your way... Instant!
Optim System app
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Personal and business online payments with competitive exchange rates, virtual cards, and secure money-management tools — all from one WeOpsy account Bank transfers and payments. Enjoy same-day execution on local transactions with a personalized IBAN, secure global reach through the SWIFT network, and instant access to newly issued virtual cards for seamless online spending
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | flykk | Optim System app |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 27.8% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 236 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | ISX Financial EU Ltd | Optim Systems, Ltd. |
In-app purchases
flykk
No in-app purchases
Optim System app
No in-app purchases
