What Tonaleve Stores About You, and What It Doesn't
Your tone and sound program stay on your device; our servers hold only what's needed to run your account. Here's what's what, and what we don't do with it.
Last reviewed: September 7, 2026

We hear some version of this question a lot: “okay, but what does this thing actually keep about me?” It’s a fair thing to ask before handing an app your tone and your sound routine. Here’s a plain-language rundown of what Tonaleve stores, why each piece exists, and what we flatly don’t do. This is a summary meant to get you oriented fast; what actually governs is the text on our privacy page and our health data page, so if you have a specific concern, those two pages outrank this post.
Two Different Drawers
The simplest way to picture it is two separate drawers. One lives on your own device: your tone in Hz, your volume level, your calibration history, your session logs, and the sound program you built. All of that stays in your browser’s or app’s local storage, never gets uploaded to any server of ours, and we can’t see it or hand it over, because we never had it. If you clear your browser data, uninstall the app, or switch devices, that content is gone for good on our end — which is why it’s worth exporting it first if you want to keep it.
The other drawer does sit on our servers, and it’s small on purpose: your email address, a profile name if you set one, the devices you’ve linked to your account, and your subscription status. That’s the minimum we need to let you in, bill the plan you picked, and send you operational notices, like your trial ending or a charge that failed.
Your Tone Is a Setting Inside the App, Not a File We Keep
It’s worth spelling out why the first drawer — the one on your device — is the one that carries the weight: your tone, your level, and your sound program are internal settings the app uses to build the sound you hear, not a record we hold on you. We don’t ask for or store anything from a health professional, we don’t access your microphone, and we never record audio. If you happen to write something personal into a support request, that does get logged — so we can answer you — but that’s the exception, not the rule: what the app builds during calibration and every session stays right where you made it.
Your Account: Just Enough to Let You In
There’s no password to remember or leak: access works through a one-time code sent to your email, and that code is stored encrypted, with a short expiration and a limit on attempts. We also log the IP address and browser agent behind a code request, solely to slow down brute-force attempts. Devices you link to your account get a readable label — something like “Chrome on macOS” — and a last-contact date, so you can see them and unlink them yourself whenever you want. As for payment, we never see your card: Stripe processes it directly, and all that stays on our end is a customer and subscription identifier, your plan, and the relevant dates.
What We Don’t Do, Plainly
We don’t sell your data, and we don’t hand it to anyone looking to sell you something. There are no Meta, TikTok, or Google Ads pixels anywhere on the site, in calibration, or at checkout. We don’t build commercial profiles from your information, and we don’t use it to train any model. The one first-party cookie that exists just tracks which of our own ads a visit came from — so we can stop paying for the ones that don’t work — and it’s browsing information that carries no name and never gets matched to your account. The handful of providers we work with — Stripe for payment, Cloudflare to host the site, and an email provider to send your code — each get only what they need to do their part, nothing more.
How to Ask Us to Delete What’s There
For anything living on your device, you’re the one who deletes it: from inside the app itself or by clearing your browser’s storage, and that’s the end of it, because we don’t hold a copy on our side. For what does sit on our servers — your account, your email, your linked devices — you can write to us and ask that we delete it, send it to you in a readable format, or fix something that’s wrong. We respond to those requests within a set window, at no cost, and without making the service worse for you because you asked.
If anything here leaves you with a specific question, the short answer is always the same: the legal pages govern over any summary, this post included. And if you haven’t built your profile yet, you can try it right from your browser, no install needed, at my.tonaleve.app.
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