MembershipOne membership.
One membership.
Everything saved.
Every calculator on Synptide is free, forever — that never changes. Insider is for keeping the results: saved vials, dose history, biomarker trends, and the best member codes.
Reader
$0/forever
The full library and every calculator. No account required to compute — an account is free when you want one.
- All articles and guides
- Every tool and calculator, single-use
- The weekly Synptide Report newsletter
Insider
$9.99/mo
or $99/yr — two months free. Join early and your price is locked forever.
- Everything saved, synced across devices
- Full dashboards, history, and trends
- AI insights and compound Q&A
- Best negotiated affiliate codes
- Ad-free, early access to new guides
Side by side
| What you get | Reader | Insider |
|---|---|---|
| Articles & guides | All of them | All + early access |
| Tools & calculators | Every tool, single-use | Every tool, saved + synced |
| Saved data | 1-item teaser | Unlimited, cross-device |
| Dashboards & trends | — | Full history and trend lines |
| AI insights & compound Q&A | — | Included |
| Affiliate codes | Public codes | Best negotiated codes |
| Ads | Present | Ad-free |
| Extras | — | Insider badge · price locked forever |
Calculations are always free. Insider unlocks saving, history, trends, and member codes.
The early-member promise
Join now, and $9.99 is your price forever.
When membership prices rise, early Insiders keep the rate they joined at — for as long as they stay subscribed. No fine print, no grandfather-clause expiry.