Start for free. Upgrade when you are ready.
🔒 GDPR · 📱 On-Device · 🇦🇹 Made in Austria · 💳 No payment method for app trial
In 12 seconds
No slideshow — this is the real app, recorded on the device.
We recommend an iPad or a tablet with a large screen if you want to take notes during sessions.
💎 Lifetime
One-time 499 € — yours for good
All Premium features without a subscription: pay once, use forever. You'll find the Lifetime purchase directly in the app (Google Play).
⭐ Founder's Price
Praxis Premium: 99 € first year
Only 100 spots. Applies to the first year, then regular 249 €/year. (Not to be confused with Praxis Plus — its 99 €/year is the permanent price.)
Only 100 seats · until 31 Dec 2026
A transparent comparison with the most popular billing tools in Austria.
| Feature | TimeInvoicer Praxis Premium | synaptos | appointmed | ZEIPSY |
|---|---|---|---|---|
| Price/month | from €9.90 | €15 – 30 | from €7.50 | ~€21 |
| System Calendar | ✔ Unique | ✘ | ✘ | ✘ |
| Native App | ✔ Android | ✘ Web | ✘ Web | ✘ Web |
| Works Offline | ✔ | ✘ | ✘ | ✘ |
| Smart Features | ✔ | ✘ | ✘ | ⚠ Limited |
| GDPR (local) | ✔ | ⚠ Cloud | ⚠ Cloud | ⚠ Cloud |
| Insurance Export | ✔ XML | ✔ Direct | ✔ WAHonline | ✘ |
| Free Version | ✔ | ✘ | ✘ | ✘ |
Yes, anytime. Cancel directly through Google Play — in just a few taps. No hidden cancellation deadlines, no fine print.
Your data stays fully intact. You automatically switch to the Starter version and can continue creating invoices — just without the Plus/Praxis Premium features.
Yes! You get 14 days in the app for free — no payment method needed. After that, you can decide whether to upgrade or keep using the Starter version.
Through Google Play Billing — that means credit card, PayPal, Google Pay or gift cards. Your payment details are securely managed by Google, not by us.
TimeInvoicer runs locally on your device — no expensive server operations, no cloud infrastructure. We pass that advantage directly to you. Less overhead, same (or better) feature set.
You automatically switch to the then-current Praxis Premium price. Right now the limited market-launch intro price applies: €19.90 instead of €24.90 per month. You can cancel beforehand or switch to Lifetime.
Yes. Cancel your subscription, pay €499 once — your data stays intact. In reverse: Lifetime remains active; you can add a subscription alongside it (not required).
Your data stays fully intact. Starter only limits new entries (10 clients). Existing data remains readable and exportable.
Yes. All patient data stays on your device (on-device). DPA available on request at support@insglueck.at — we send it on working days within 24 hours.
Yes (EU consumer law). Withdraw by email, full refund within 14 days. Applies to consumers only, not businesses.
All prices include VAT: 20% (AT), 19% (DE), 8.1% (CH). For businesses with a VAT ID we can issue a net invoice with reverse charge.
Create your first invoice in under 2 minutes — 14 days in-app trial, no payment method.
Try free on Google Play →Available on Google Play from mid-April 2026