Privacy Policy

LemonScope's core features (engagement rate, save ratio, hashtag summaries, follower tracking) run entirely in your browser with no server involved. Pro subscription status is the one exception — that requires a small backend to work at all, described below.

What stays local, always

• Tracked accounts and their follower-history snapshots are stored only in your browser via chrome.storage.local and never transmitted anywhere.
• On lemon8-app.com post and profile pages, the extension reads publicly visible figures already rendered on the page (likes, saves, comments, follower counts, hashtags) to compute engagement rate, save ratio, and trending-hashtag summaries. This happens locally and is not sent anywhere.
• LemonScope does not scrape in the background. It only reads pages you are already, organically, browsing — there is no automated crawling of Lemon8 on your behalf.

What the Pro subscription system sends, and where

LemonScope has no user accounts and no login. Instead, on install the extension generates a random, anonymous install ID (not tied to your name, email, or any Lemon8 data) stored locally.

• To check whether you have an active Pro subscription, the extension sends only this install ID to our backend (Supabase Edge Functions). The backend returns whether you're Pro and on which plan — nothing else is sent or returned.
• When you upgrade, a checkout page (hosted separately from the extension, via Paddle) associates your purchase with that install ID. Paddle, our payment provider, processes your payment details directly — LemonScope never sees your card information.
• If you use "Restore purchase" after reinstalling or switching browsers, the email address you enter is sent to our backend, which looks it up against Paddle's records to reconnect your subscription to the new install ID. This is the only feature that transmits an email address, and only when you explicitly use it.
• Our backend (Supabase) stores: install ID, subscription status/plan, and (only if you've used Restore Purchase) the associated email. This data is access-controlled — the extension itself has no direct database access; every request goes through a narrow, purpose-built function.

Trending hashtags

The "Trending on Lemon8" list in the popup is public, non-personal data — hashtag frequency aggregated from Lemon8's own public category feeds by a scheduled job we run, refreshed periodically. Loading it fetches that aggregate list from our Supabase project; it does not send anything about you or your Lemon8 activity.

Permissions

• storage — save your tracked accounts, history, and cached Pro status locally.
• activeTab — standard extension permission.
• Host access to lemon8-app.com — read post/profile data already visible on the page and show the stats panel.
• Host access to our Supabase project — check/restore Pro subscription status and load the public trending-hashtags list (see above).

Data sharing

Your install ID and (if applicable) email are shared with Paddle (payment processing) and stored in our Supabase backend as described above. No data is sold, and none of it is used for advertising, analytics, or any purpose beyond operating the Pro subscription.

Contact

Questions: getalysis@gmail.com