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Vollstart POS Desk

Vollstart POS Desk

De Vollstart
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Turn any tablet or iPad into a cash register. Vollstart POS Desk is a free, self-hosted Point of Sale plugin for WordPress — no WooCommerce, no cloud subscription, no monthly fees. All your data stays in your WordPress database.

Selling

  • iPad & tablet POS terminal — touch-optimized interface, 3 themes (dark, light, high contrast)
  • Products & categories — prices, SKU, EAN barcodes, images, flex pricing, unit-based (weight/volume)
  • Action sheets — quick-access product lists for promotions, seasonal items, or inventory checks
  • Customer management — customer records with optional self-onboarding portal (/join/), purchase history and customer lists
  • Barcode scanning — camera-based and hardware wedge scanner, EAN-13/EAN-8 with checksum
  • Weigh tickets — scale products with decimal amounts, printed ticket with QR code

Payments

  • Cash — with change calculation and optional cash drawer (WebUSB)
  • Card — manual entry or Stripe/SumUp card reader (Pro)
  • QR payment (SEPA/EPC) — customer scans QR with banking app, zero transaction fees
  • Invoice — registered customers can buy on account (Pro)

Receipts & Reports

  • Receipt printing — thermal printer compatible, auto-print option, configurable header/footer
  • X-Report & Z-Report — daily close-out with cash count, opening float, cash difference
  • Report delivery — Z-reports via email and/or webhook (JSON with HMAC) to accounting tools
  • Transaction history — filterable DataTable with CSV export
  • Dashboard — today’s revenue, sales count, average ticket, terminal status

Setup & Hardware

  • Terminal management — auth token URLs, open/close register, session tracking
  • Customer display — live cart view on second screen facing the customer
  • PWA / App — installable on tablet or phone, works like a native POS app
  • Multilingual — 11 languages included (DE, EN, ES, FR, IT, NL, PT, HU, JA, ZH)

Why Vollstart POS Desk?

  • No monthly SaaS fees — Cloud POS systems charge 30-100 EUR/month. Vollstart is free, Pro is 49 EUR/year.
  • No transaction fees — QR payment lets customers pay directly to your bank. Zero processing fees.
  • No vendor lock-in — your data lives in your WordPress database. Export anytime.
  • No WooCommerce required — no shop setup, no e-commerce overhead. Just install, add products, start selling.

Built for

  • Small retail stores — ring up sales without a bulky POS system
  • Event box offices — sell tickets at the door, scan barcodes, close out the night
  • Repair shops — check out completed repairs and print receipts
  • Pop-up shops & markets — set up in minutes on any tablet
  • Food trucks, cafes & bakeries — fast checkout with favorites and quick numpad
  • Butcher shops & delis — weigh products, print tickets, scan at checkout

The free version is fully functional — unlimited terminals, unlimited products, and all core POS features listed above. The Pro add-on adds the features listed below for businesses that want more.

Pro Features (49 EUR/year)

Scale your business:

  • Staff PIN login (individual accountability per receipt)
  • Customer purchase history in the customer portal
  • Customer loyalty points

Sell smarter:

  • Discounts, coupons, and loyalty points
  • Custom receipt templates (Twig editor with live preview)
  • Monthly and yearly analytics with charts
  • Receipt via email (with optional PDF attachment)

Accept more payments:

  • Stripe card reader (tap, chip, Apple Pay, Google Pay)
  • SumUp card reader
  • Invoice-on-account for registered customers

Advanced features:

  • Inventory scanner with stock management
  • Price check kiosk
  • Self-service kiosk (self-checkout terminal mode)
  • Scan & Go (customer scans products with phone, pays at register)
  • Online orders with pickup & delivery
  • Product catalog with QR codes for online shopping
  • Dynamic receipt ads (rule-based promotions on receipts)
  • WooCommerce POS gateway (pay WooCommerce orders at the register)
  • Vollstart Wallet integration (customers save receipts digitally)
  • NFC tag support
  • Cash drawer (WebUSB ESC/POS)
  • TSE/KassenSichV compliance (Fiskaly cloud TSE, DSFinV-K export)
  • DATEV accounting export

That’s less than 5 EUR/month — a fraction of what cloud POS systems charge.

Premium features require the separate Pro add-on plugin.

Third-Party Services

This plugin optionally connects to the following external services:

Open Food Facts (EAN product lookup)

When the “EAN product lookup” option is enabled in Settings, this plugin sends the scanned EAN barcode to the Open Food Facts API (openfoodfacts.org) to retrieve product name, ingredients, and image. No personal data is transmitted. This feature is disabled by default and must be explicitly enabled by the site administrator.

Stripe (Pro add-on only)

The Pro add-on plugin integrates Stripe for card-reader payments (tap, chip, Apple Pay, Google Pay). The Stripe.js SDK (js.stripe.com) is loaded by the Pro add-on when a Stripe card reader is connected at the terminal. The SDK collects payment data directly in the browser and submits it to Stripe — no payment data passes through your WordPress server. Stripe handles all payment data under their own terms.

Stripe Terminal (Pro add-on only)

The Pro add-on uses Stripe Terminal’s SDK (js.stripe.com/terminal/) to control physical Stripe card readers connected to the terminal computer (Wise Pad 3, etc.). The SDK runs locally in the browser and communicates directly with the card reader hardware. No card data is stored on your WordPress server.

SumUp (Pro add-on only)

The Pro add-on integrates SumUp for card-reader payments. The SumUp SDK (gateway.sumup.com) is loaded by the Pro add-on when a SumUp card reader is connected at the terminal. The SDK collects payment data directly in the browser and submits it to SumUp — no payment data passes through your WordPress server. SumUp handles all payment data under their own terms.

Vollstart Wallet (optional, free)

When the “Vollstart Wallet” option is enabled, receipts include a QR code that customers can scan with the Vollstart Wallet app. The receipt data is exposed via a public REST endpoint (only the data the merchant has chosen to publish — receipt number, items, total). The endpoint is open by design so the mobile app can read it without auth.

Third-Party Libraries

This plugin bundles the following libraries:

Ekrankopioj

POS Terminal — sell from any tablet with the touch-optimized dark theme
POS Terminal — sell from any tablet with the touch-optimized dark theme
Product management — add items in seconds with price, SKU, barcode, and image
Product management — add items in seconds with price, SKU, barcode, and image
Daily close-out — reconcile cash, generate Z-report, email to accountant
Daily close-out — reconcile cash, generate Z-report, email to accountant
Dashboard — today's revenue at a glance, terminal status, recent sales
Dashboard — today’s revenue at a glance, terminal status, recent sales
Weigh ticket — scale products, print QR ticket, scan at checkout
Weigh ticket — scale products, print QR ticket, scan at checkout
Receipt — professional receipt with business info, items, totals, QR code
Receipt — professional receipt with business info, items, totals, QR code

Instalo

  1. Upload the plugin folder to /wp-content/plugins/ or install via the WordPress plugin search.
  2. Activate through the “Plugins” menu.
  3. Go to POS Desk > Options and set your currency, tax rate, and business name.
  4. Add your products under POS Desk > Products.
  5. Create a terminal under POS Desk > Terminals and open the link on your tablet.

That’s it — you’re ready to ring up your first sale.

OD

Do I need WooCommerce?

No. Vollstart POS Desk works completely independent of WooCommerce.

Who can access the terminal?

By default, WordPress users with the manage_options capability (administrators). The terminal URL uses an auth token — staff opens the link on a tablet and logs in with their WordPress account. With the Pro add-on, staff can log in with a personal PIN instead.

What printers are supported?

Any printer your browser can print to. For thermal receipt printers, configure your OS default printer and enable “Auto-print receipt” in the options. Direct ESC/POS printing is planned for Pro.

Is my data stored externally?

No. All data stays in your WordPress database. The only optional external call is the EAN product lookup (Open Food Facts API), which is disabled by default.

Can I use it on multiple devices?

Yes. Each terminal has its own URL. Open it on as many devices as you like — no terminal limit.

Does it work offline?

The terminal is installable as a PWA and caches its interface for fast loading. Cart data persists across page reloads. Full offline mode with transaction queuing and sync is a Pro feature.

Does it work on an iPad or Android tablet?

Yes. Open the terminal URL in Chrome or Safari on any iPad or Android tablet. You can install it as a PWA for a native app experience — fullscreen, home screen icon, instant loading.

Does it work with thermal receipt printers?

Yes. Set your thermal receipt printer as the default printer in your operating system, then enable “Auto-print receipt” in POS Desk options. The receipt is formatted for 80mm thermal paper. For direct ESC/POS printing without browser dialog: coming in a future update.

Is this a free POS plugin?

Yes. The full POS system — unlimited terminals and products, payments, receipt printing, barcode scanning, X/Z reports — is completely free with no time limit. Optional Pro features (staff PINs, card readers, advanced reports, customer portal, TSE compliance, …) require the separate Pro add-on starting at 49 EUR/year.

Is it GDPR compliant?

Yes. All data is stored in your own WordPress database. Nothing is sent to external servers except the optional EAN product lookup, which transmits only the barcode number — no personal data.

Who builds this?

Vollstart POS Desk is built by the team behind Event Tickets with Ticket Scanner and Vollstart Repair Desk — WordPress plugins trusted by thousands of users. We build tools we use ourselves, every day.

Can I import existing products?

Yes. You can import products via CSV (semicolon-separated) with name, price, SKU, EAN, category, and more.

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Ŝanĝprotokolo

1.0.1 — 2026-05-14

  • Wallet: the wallet receipt REST response (/wp-json/vollstart-pos-desk/v1/wallet/receipt/{number}) now includes the transaction id (transaction_id), so the Vollstart Wallet can render the merchant receipt QR (TXR|<id>) for returns/lookup independent of the on-receipt QR print option.
  • WP.org compliance: removed all hard caps. The free plugin no longer enforces terminal, product, action-sheet or photo-per-product limits — and the freeLimits / currentCounts boot-data exposed to JS is gone, along with every “Upgrade to Premium” CTA in the admin UI (terminal counter button, product counter badge, action-sheet cap tooltip, Staff and Analytics tab teaser cards).
  • Migrated the License-Key field and the silent auto-upgrade-on-license-save logic to the separate Pro add-on. The free plugin no longer contains license code.
  • Migrated the template-override mechanism (per-entity + global custom Twig templates), the three template-editor AJAX cases (getTemplateSource, saveTemplate, resetTemplate) and the CodeMirror enqueue from the free plugin to the Pro add-on. Free now exposes vollstart_pos_template_render filter and vollstart_pos_admin_enqueue_extras action — Pro hooks them.
  • Security: new VollstartPOS::sanitizePostArray() helper sanitizes $_POST at every AJAX entry point (wp_unslash + sanitize_text_field, sanitize_textarea_field for declared textarea fields) before reaching manager methods. 25 callsites across 11 manager files now route through the helper.
  • Security: schema-installation queries in db.php (CREATE TABLE, ALTER TABLE ADD COLUMN, ALTER TABLE DROP INDEX) use %i identifier placeholders in $wpdb->prepare() (WordPress 6.2+). Internal identifier-validator + column-def-validator regex helpers gate every iteration.
  • PIN-login error message in the terminal collapsed to a single line — no more advertising “PIN login coming” in the free build.
  • README: dropped the “1 terminal, 50 products” trialware-doc lines from Description and FAQ; reframed the Pro Features list and Pro upgrade copy accordingly.

1.0.0

  • Initial release — POS terminal, product management, receipt printing, barcode scanning, daily reports, customer display, weigh tickets, promotions, loyalty points, and more.

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