Effortlessly pay your restaurant bills without waiting. Scan a QR code, pay with a swipe, and receive your receipt instantly. Earn rewards through the loyalty program just for using the app.
Qerko Service by Piano Payments s.r.o.



201+ iOS apps curated and reviewed
With an average user rating of 4.4★, the qerko service category is one of the App Store's strongest. Browse all 201+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | |
| 2 | Free | 4.7★ (96) | No | No | Jul 2026 | |
| 3 | Free | 4.6★ (28K) | No | Yes | Jul 2026 | |
| 4 | Free | 2.7★ (153) | No | Yes | May 2026 | |
| 5 | Free | 3.4★ (4.2K) | No | No | Jul 2026 | |
| 6 | Free | 4.7★ (15K) | Yes | No | Jul 2026 | |
| 7 | Free | 4.7★ (28K) | No | No | Jul 2026 | |
| 8 | Free | 4.5★ (12K) | Yes | Yes | Jul 2026 |









Effortlessly pay your restaurant bills without waiting. Scan a QR code, pay with a swipe, and receive your receipt instantly. Earn rewards through the loyalty program just for using the app.






Manage your home services business efficiently with this field service management platform. Streamline scheduling, customer communication, invoicing, and payments to save time and grow your business.


Avoid long customer service hold times with this app. It navigates phone menus for you and connects you to a live agent, ringing your phone when they're ready. Access support for thousands of companies across various industries.


Empower field technicians with comprehensive job details, customer history, and communication logs. Streamline service delivery by creating estimates, recording work with photos, and accepting payments directly in the field. This app ensures seamless, real-time synchronization with office operations, eliminating the need for manual paperwork.


Book easy rides to any destination worldwide, including airports. Track your driver's distance, receive information about your driver and car, and monitor your trip progress. Enjoy fast, reliable, and affordable taxi services with certified drivers.


This app serves as a digital lifestyle super app, allowing users to manage various transactions like buying digital gift cards, recharging mobile lines, paying bills, and booking travel. It offers exclusive deals and saving bundles for a more convenient and cost-effective digital experience.


Learn and play piano anytime, anywhere with a full 88-key virtual keyboard. Record your musical creations, save them, and share them with friends. Offers a metronome and adjustable keyboard size for a personalized experience.


Learn to read music and play piano with a vast library of songs and guided lessons. Offers instant feedback, practice tools, and challenges for all skill levels. Suitable for self-learners and classroom environments.


Learn to play the piano with a vast songbook of popular hits and classics. Practice at your own pace, challenge friends, and improve your skills through engaging game levels. Offers a unique duet mode where the app accompanies your playing.


Learn to play piano with interactive lessons and a vast song library. Get instant feedback on your playing, practice specific sections, and master songs at your own pace. Suitable for beginners and experienced players alike.


Learn to play popular and classical songs on the piano with interactive tutorials. Features include customizable learning options like hand practice, speed adjustment, and beginner/pro song versions. Build a personal songbook of your favorite pieces.


Easily access and install organization-approved apps, books, and updates for your iOS or iPadOS device. This app streamlines device management, allowing you to stay productive and self-sufficient without contacting IT.


Learn to play a vast library of songs on a realistic virtual piano. Enjoy interactive band accompaniment and choose from various instruments and playing styles. Ideal for all skill levels, it offers a comprehensive music learning experience.


Manage your home loan finances with ease. This app allows you to make payments, review statements, set up autopay, and track your loan details. Access your mortgage information and agent assistance 24/7 for convenient account management.


Manage your prepaid card finances with this mobile app. Easily check balances, review transactions, lock your card, and transfer funds. Customize alerts and security settings for enhanced control over your spending.


Manage your mobile services, pay bills, and access exclusive offers. This app provides a quick and secure way to handle all your account needs, from checking balances to activating new services. Enjoy personalized deals and gifts, all within a user-friendly interface.


Engage in fun virtual piano games and explore a musical keyboard with diverse instrument sounds. Learn to play songs from a vast library, suitable for all ages without prior experience. Enjoy realistic sound effects and share your musical creations.


Manage your finances on the go with this secure and free mobile banking app. Review account balances, transfer funds, pay bills, deposit checks, and track your spending. It offers advanced encryption for your security and allows you to manage alerts and apply for loans.


Shop anywhere with flexible payment options, including interest-free installments and pay-in-30-days. Earn cashback, compare prices, track deliveries, and manage returns easily. Also offers mobile phone service.