Offline-Online Card Access
The Sole Akbil Bus Validator keeps reading cards without interruption even during internet outages. NFC phone access and QR ticket access keep working online through the software.
PUBLIC TRANSPORT FARE COLLECTION · CITY CARD · Credit Card · NFC · QR
Sole Akbil System offers Contactless Card Access, City Card, Smart Validator and Central SaaS Software Management solutions for Municipalities and Transport Operators. Bus Vehicle Validator, Automated Fare Collection System, Mifare Card Access / NFC Phone Access, QR Ticket Access, Credit Card Access and ticketing come together in one Cloud-Based platform.
The Sole Akbil Bus Validator keeps reading cards without interruption even during internet outages. NFC phone access and QR ticket access keep working online through the software.
The Validator APK runs Online-Offline, and Credit Card, Phone NFC, QR Ticket and Standard Card all work on the same validator.
Full, Student, Free, Discounted, Retiree, Teacher, Monthly Pass, Limited-Use Ticket, Phone NFC Card, Family Support Card and 2 Custom Card Types.
Cloud-based Central Panel Software featuring Vehicle Definition, Card Tariffs, Card Balance Top-up, Driver Shift Management and many more capabilities.
Sends the requested reports automatically to the requested email addresses, on the requested days and times of the week.
Public transport fleet, multi-branch management, municipal social card integration and bank reconciliation.
Let's Discuss Your Project →Vehicle/plate-based tracking, driver shift system and revenue control with daily Z reports.
Get a Quote →Contactless payment, card top-up / dealer management and automatic tariff-based fare calculation.
Get a Quote →Student/staff card types, monthly passes and limited-use ticket options.
Request Technical Info →PROCESS
From the passenger tapping their City Card, Phone NFC or QR Ticket on the Bus Validator, to the Z Report reconciliation process — the whole process is managed on a single web-based cloud server architecture, through an immutable transaction ledger.
A touchscreen in-vehicle validator. Mifare card, phone NFC, QR ticket and Credit Card support; a custom Android 12-based POS operating system, 16 GB storage.
A dual-SIM public transport card reader. For buses, minibuses and shuttle vehicles; existing T10 fleets can be migrated to SoleAkbil.
The application that turns the device into a system: offline fare collection, fare calculation by card type, an immutable transaction ledger and customer-specific card-key isolation.
Sole Akbil Cloud Software: card type/fare, device-vehicle-route records, driver shifts, top-up/dealers, reporting and bank reconciliation.
Sole Akbil is an integrated system developed in-house end to end, from the device to the cloud. Our validators now run on our own SaaS validator software, built on an offline-resilient, cryptographically secure fare collection platform.
Offline-first architecture: card reading, fare collection and balance top-up continue even if the connection drops; transactions sync automatically once it returns.
Every transaction is written to an unerasable transaction ledger. Revenue reconciliation and audit are closed to manipulation.
Every business has its own card key; a foreign/cloned card returns an "Unrecognized Card" error. Unauthorized use is blocked cryptographically.
In the user definition, you can allow login to the Sole Cloud Software from anywhere in the world, or activate the Company PC Lock so that login is only possible from within your company.
The Sole Cloud Software and Validator APK screens have been developed to be available in Turkish, English and French.
Devices sync automatically over SIM; manage fleets in different cities from a single panel.
The system automatically flags physically impossible situations — like the same card being used on different devices within 120 seconds — so fraud is caught before it hits the books.
Even if the device firmware is reverse-engineered, the fare is always calculated on the server — the device's own claim is never accepted as revenue.
An automatic, GDPR/KVKK-aware discount engine for social municipal policy — only day-month is stored on the card, never the birth year.
Mifare Card, NFC Phone, QR Ticket and EMV Credit Card on the same terminal — freedom of choice for riders, one platform for the operator.
Collections, passages and offline-device alerts update in the panel within seconds, with no page refresh required.
A wide range of developed reports can be pulled instantly from the Sole Cloud Software, or sent automatically to the requested email addresses on the specified days and times.
The comparison below reflects the general operating principle of server-dependent fare collection architectures and does not describe any specific vendor's product.
| Capability | Sole Akbil | Traditional / server-dependent systems |
|---|---|---|
| Full offline operation (card taps + balance top-up) | ✅ Local and instant, retroactive correction at sync | ✖ Usually stops or cannot be validated |
| 4 Different Access Types (Mf Card / NFC / QR / Credit Card) | ✅ A single validator | ✖ Usually requires separate devices |
| Clone card detection (120-second rule) | ✅ Automatic report (R16) | ✖ Generally absent |
| Immutable transaction ledger | ✅ Records cannot be deleted or edited | ✖ Direct balance updates are common |
| Birthday and Public Holiday discount | ✅ KVKK-aware | ✖ Usually not available |
| Number of ready-made reports | ✅ More than 22 | ◐ Partial, mostly left to spreadsheets |
| Working-Hours, Office PC Authorization Restriction | ✅ Menu-level detailed authorization | ✖ Usually a single admin role |
| Multi-language interface (TR / EN / FR) | ✅ Panel and device screens | ◐ Usually single language |
Our AFC buyer's guide lists the 10 questions to ask when requesting proposals, plus a tender specification checklist.
Live transaction tracking, Card Type / Fare Management, Validator and Vehicle records, Driver shifts, Z Report and 22 different report types — all in one software management panel.
The passenger taps a card, phone NFC, QR ticket or bank card on the terminal; the terminal reads the identity, instantly gets the fare from the server based on card type, updates the balance and stores the transaction as an immutable ledger record.
Yes. The Sole Akbil Bus Validator continues reading Mifare cards and topping up card balances without interruption even when the internet is down; the transaction is processed locally and instantly, queued, and synced automatically once connectivity returns. To prevent the fare being manipulated on the device, the server recalculates the transaction at sync and writes the correct amount to the immutable ledger. NFC phone and QR ticket access run online because they require server validation.
12 card types are supported in total — 10 fixed types (Full, Student, Free, Discounted, Retiree, Teacher, Monthly Pass, Limited-Use Ticket, Phone NFC Card, Family Support Card) plus 2 free-form custom types — each with its own fare defined separately.
A passenger can tap the terminal with their phone's NFC feature without needing a physical card. This identity is registered in the system as a separate record tied to the same balance/fare logic as a physical card.
Yes, single-use QR tickets can be issued in bulk; once a QR ticket is used it is automatically invalidated by the system and cannot be reused.
The terminal hardware is ready for bank card / contactless payment acceptance; bringing this flow live requires a separate payment acquirer integration and is evaluated on a per-project basis.
The system is designed with an architecture that respects data protection requirements; hosting region and data retention terms are finalized on a per-project basis with the customer's (especially municipal/public institution) legal counsel.
Yes, the system is multi-branch and multi-tenant; each branch/vehicle only sees its own data, while the central administrator can monitor the entire fleet from a single panel.
A card is marked lost/stolen/cancelled from the panel and instantly becomes invalid on all terminals; the card's last balance can be viewed and transferred to a new card.
The panel includes daily top-up/passage/refund summaries, per-device Z reports, and bank reconciliation tracking (deposited/pending); reports can be printed or exported to Excel.
Get a SoleAkbil city card and public transport fare collection quote for your municipality, private bus cooperative, minibus/shuttle operation or campus. Fill out the form and our technical team will get back to you shortly.
Direct contact:
☎ +90 212 221 11 09
✉ bilgi@solesystem.com.tr