1. Overview
These Terms and Conditions ("Terms") govern the use of the website the-ultimate-piano.com and the web application The Ultimate Piano (the "App"). The App is operated by The Ultimate Piano (owner: Kay Talmi), Nimrodstr. 11, 13469 Berlin, Germany. For full operator details, see our Imprint.
By using the App, you agree to these Terms. If you do not agree, please do not use the App.
2. Description of Service
The Ultimate Piano is a browser-based web application for piano learning, practice, and visualization. The App offers:
- A virtual piano keyboard with MIDI support
- Music theory tools (scales, chords, progressions)
- Practice exercises and games
- A built-in audio/MIDI player
- Visual customization and screenshot/capture features
The App is provided as a Software-as-a-Service (SaaS) and runs entirely in your web browser. No download or installation is required.
3. Accounts
An account is created when you purchase Premium. With your account:
- You must provide a valid email address
- You are responsible for keeping your login credentials secure
- You may not share your account with others
- You can delete your account at any time in Settings → License → Delete Account
4. Premium
4.1 Premium Plan
Premium unlocks additional features. Premium is available as:
- Monthly Subscription — recurring monthly payment, can be cancelled at any time
- One-Time Purchase — single payment for permanent Premium access
Current prices are displayed on the pricing page at the-ultimate-piano.com/pricing. We reserve the right to change prices. Price changes do not affect active subscriptions until renewal.
4.2 Cloud Storage
Premium includes cloud storage for files you save in the App's Library, such as MIDI files, audio, sheet music and lead sheets.
- Each Premium account includes up to 1 GB of cloud storage in total.
- Individual files are limited in size: up to 10 MB for MIDI files and lead sheets, and up to 50 MB for audio files and sheet music (PDF, MusicXML).
- When your storage is full, your existing files remain available. New files can be saved once you have deleted others.
- You may only upload files you have the right to store and use.
- If we change these limits, files you have already stored will not be deleted.
5. Payments and Paddle
All payments are processed by Paddle.com Market Limited ("Paddle"), which acts as our Merchant of Record. This means:
- Paddle is the seller of record for all purchases
- Paddle handles payment processing, invoicing, sales tax, and VAT
- Your payment relationship is with Paddle, not directly with us
- Paddle's terms apply to all transactions: Paddle Terms of Use
We do not store your credit card or bank details. All payment data is handled by Paddle in accordance with PCI-DSS standards.
Partner referrals. If you reached us through the link of one of our partners, that partner receives a commission from us for your purchase. This does not change your price or your rights under these Terms. The referral is recorded by our partner programme provider Tolt; see section 3.10 of our Privacy Policy.
6. Subscriptions and Cancellation
6.1 Monthly Subscription
- Billed monthly on the date of purchase
- Renews automatically until cancelled
- You can cancel at any time — access continues until the end of the current billing period
- Cancellation is available through your Paddle customer portal or in the App under Settings → License
6.2 One-Time Purchase
- One-time payment, no recurring charges
- Grants permanent access to Premium features
- Tied to your account
7. Refunds
Since Paddle is the Merchant of Record, all refunds are handled by Paddle in accordance with Paddle's Refund Policy:
- You may request a full refund within 14 days of your purchase date — no reason required
- To request a refund, contact Paddle through the link in your purchase confirmation email, or contact us at [email protected] and we will forward your request
- Refunds are processed by Paddle to your original payment method
8. Acceptable Use
You agree not to:
- Reverse-engineer, copy, or redistribute the App or its source code
- Use the App for any illegal purpose
- Attempt to gain unauthorized access to other users' accounts or data
- Use automated tools (bots, scrapers) to access the App
- Resell or sublicense access to the App
9. Intellectual Property
The App, its design, code, and content are the intellectual property of Kay Talmi / The Ultimate Piano. Your purchase grants you a personal, non-transferable license to use the App — it does not transfer ownership of any intellectual property.
Content you create using the App (screenshots, diagrams) is yours to use freely.
10. Availability and Updates
- We aim to keep the App available 24/7, but do not guarantee uninterrupted access
- Maintenance, updates, or technical issues may cause temporary downtime
- We may update, modify, or discontinue features at any time
- We are not liable for any loss resulting from temporary unavailability
11. Limitation of Liability
The App is provided "as is". To the maximum extent permitted by law:
- We do not guarantee that the App is error-free or suitable for any particular purpose
- We are not liable for indirect, incidental, or consequential damages
- Our total liability is limited to the amount you paid in the last 12 months
12. Privacy
We take your privacy seriously. For details on what data we collect and how we use it, please see our Privacy Policy.
13. Changes to These Terms
We may update these Terms from time to time. Changes will be posted on this page with an updated date. For significant changes, we will notify registered users by email. Continued use of the App after changes constitutes acceptance of the updated Terms.
Last updated: October 12, 2026
14. Governing Law
These Terms are governed by the laws of the Federal Republic of Germany. If you are a consumer in the EU, you also retain the protection of mandatory consumer laws in your country of residence.
15. Contact
If you have questions about these Terms, please contact us at [email protected]. For full contact details, see our Imprint.
