Terms of Use
Last updated: August 15, 2026
These terms cover your use of the Rondo mobile app (“Rondo”, “the app”), published by Mickael Lecoq (“we”, “us”, “the developer”). By downloading or using Rondo, you agree to them. If you don't agree, please don't use the app.
What Rondo is
Rondo turns an audio track into a scene-reactive visualizer video — a vertical teaser, a square or widescreen video, or a silent looping Spotify Canvas — entirely on your device. It has no server component beyond, optionally, your own iCloud account.
License
We grant you a personal, non-exclusive, non-transferable, revocable license to use Rondo on Apple devices you own or control, for your own personal or professional purposes, subject to Apple's Usage Rules in the App Store Terms of Service and to these Terms.
You may not:
- copy, decompile, reverse-engineer, or create derivative works of the app, except as permitted by applicable law;
- circumvent or attempt to circumvent the in-app purchase or the capabilities it unlocks;
- use the app to infringe anyone's intellectual property, privacy, or other rights;
- resell, rent, or sublicense the app itself.
Your content
You keep all rights to the audio you import and the videos, images, and text you create with Rondo. We claim no ownership over any of it — which follows naturally from the fact that it never reaches us. You're solely responsible for having the rights needed to use the tracks, artwork, and lyrics you import, and for how you use, publish, or distribute what you export.
In-app purchase
“Rondo Pro” is a one-time purchase, not a subscription: it unlocks the app's full set of scenes, backgrounds, formats, brand color, artwork placement, typefaces, and presets permanently, on the App Store account that purchased it. All billing is handled by Apple; purchases, and any refund, are governed by Apple's own terms and policies, not by us — we don't process payments and can't issue refunds directly.
No warranty
Rondo is provided “as is” and “as available”. We don't guarantee it will be error-free, uninterrupted, or fit for a particular purpose; results (rendering speed, memory use, transcription accuracy) depend on your device and the tracks you import. To the extent permitted by law, we disclaim all contractual warranties, express or implied.
This exclusion does not affect statutory warranties. If you are a consumer in the European Union, you benefit from the legal guarantee of conformity for digital content (Directive (EU) 2019/770, enacted in France at Articles L217-1 et seq. of the Consumer Code) and, under French law, from the warranty against hidden defects (Articles 1641 et seq. of the Civil Code). Those rights cannot be waived or limited by these Terms. As the app is sold by Apple through the App Store, they are owed by the seller.
Limitation of liability
To the maximum extent permitted by applicable law, the developer will not be liable for any indirect, incidental, or consequential damages — including lost data or lost profits — arising from your use of, or inability to use, the app. Nothing in these Terms limits liability that cannot be limited under applicable law.
Open-source components
Rondo is built in part on open-source software, each under its own license. The full list, with the complete text of every license, is available inside the app itself: home screen, “Open-source licenses” link.
Changes
We may update the app and these Terms from time to time. If we make a material change, we'll note it in the app's release notes. Continuing to use Rondo after an update means you accept the revised Terms.
Termination
You may stop using Rondo and delete it at any time. We may discontinue the app; if we do, it will keep working on your device as already installed, since it does not depend on an ongoing server connection to run.
Governing law
These Terms are governed by French law. If you are a consumer, that choice does not deprive you of the mandatory provisions of the law of your country of residence, and you may bring a dispute either before the French courts or before the courts of your own place of domicile. For disputes not involving a consumer, the competent French courts have exclusive jurisdiction.