Last updated: 13 September 2026
This policy covers two products:
They behave differently in a few ways, so where it matters I've said which one I'm talking about.
Neither version collects your name, email address or phone number through the app. There's no login. There's no analytics, no tracking, no advertising identifiers, and no third-party code that gathers information about you. I don't know what presets you make, what audio you run through it, or how you use it.
These are stored on your own device, in a container shared between the app and its plug-ins so they all see the same presets. Nothing is uploaded.
If you export presets, the file is written wherever you choose to put it. If you import presets, the file is read from wherever you choose. That file is yours — it doesn't pass through me.
The iOS app makes no network connections of its own. There's nothing in it that reaches out to me or to anyone else — it doesn't even check for updates, because on iPhone and iPad the App Store does that for you. That check is Apple's, made by the system rather than by the app, and it's covered by Apple's privacy policy, not this one.
Tapping a link — to the App Store or to this website — hands off to Safari or the App Store app, and from that point their privacy policies apply, not mine.
The Mac version can check whether a newer version exists. This happens only when you open Settings, or when you choose "Check for Updates…" from the menu. There's no background or scheduled checking. The Audio Unit and VST3 plug-ins do the same when you open their Settings panel.
A check has two steps. First, the app sends your licence ID — a 16-character identifier, not your licence key — and the product name to my licence server on Cloudflare, which replies whether that licence is eligible for updates. It doesn't send your email address, your licence key, the app version, or anything about how you use the app. Because the ID belongs to your licence, this step isn't anonymous: it tells the server which licence is asking.
If the licence is eligible, the app then reads one small file from this website that lists the current version number.
Like any request to any website, Cloudflare and my web host record the usual things in their logs: your IP address, and the app and macOS version in the request. I don't use that to identify you, build a profile, or contact you.
Purchases are handled by Paddle, who act as the merchant of record. Your name, payment details and billing information go to Paddle, not to me — see Paddle's privacy policy for how they handle that.
Paddle passes me your email address so I can send you a licence key. I use it to send that key, to help you if you write to me, and to let you know about LP-33 Sim updates, such as new versions and features. I don't sell it, share it, or use it for anything else, and every announcement email has an unsubscribe link.
Your licence email and key are stored only on your own Mac, in a file the app shares with its Audio Unit and VST3 plug-ins, so entering your licence once unlocks all three. The app checks your licence without going online, and never sends your email address or licence key anywhere. The only licence detail that leaves your Mac is the licence ID used in update checks, described above.
Your email address and licence key are also kept in a small database I run on Cloudflare, so the licence retrieval page on this site can send your key back to you if you lose it. That record holds your email address, your licence key and which product it belongs to — nothing else. No presets, no usage, no payment details.
When you use that page, the address you type is sent to Cloudflare to be looked up, and the key is emailed to that address. The page never displays a key, and it gives the same answer whether or not a licence exists, so it can't be used to find out who has bought the app. See Cloudflare's privacy policy for how they handle data passing through their service.
If you've turned on sharing analytics and crash data in your device settings, Apple may send me crash reports. These come through Apple, are anonymous, and contain nothing that identifies you. They tell me a bug happened and roughly where in the code — nothing else. If you'd rather not send them, turn that setting off; the app works exactly the same.
There's no account. The only thing I hold is the licence record described above — your email address and key. Write to me and I'll delete it, though after that the retrieval page won't be able to send you your key.
To remove your presets and settings, delete the app. For anything relating to your payment, contact Paddle, or write to me and I'll help.
LP-33 Sim isn't aimed at children under 13, and I don't knowingly collect information from anyone.
The app and this site link out to places I don't run — the App Store, Paddle, my own site's other pages. Once you follow a link, that site's policy applies.
If this changes I'll update this page and change the date at the top.