Bring your picks.
Build or import your slip. Check the lines and odds before you start.
THE TAIL COMMUNITY
Every pick graded.
Every record verified.
For bettors and cappers.
Follow the picks. Get the receipts.
On a computer? Scan to get the app
Scan with your iPhone camera to open the App Store.
Grade the slip. See what’s behind it. Make your own call.Live Grade Doctor Tail History
10research groups
100research checks
One Grade,with the receipts
FROM A HUNCH TO A GRADE
See what’s behind your slip.
A second opinion that shows its work.
Look beneath the odds.
Read the sourced findings, and see what couldn’t be checked.
Make your own call.
Read your Grade, ask the Doctor, and revisit the saved report.
ONE APP. GRADE, DOCTOR, TAIL, HISTORY.
More than a number.
Grade a slip. Talk it through. Keep the receipts.
Grade
See the evidence behind the letter, how sure it is, and what’s missing.
Doctor
Ask follow-ups. The Doctor already has your report.
Tail
Follow other bettors. Keep the posts you follow in one feed.
History
Reopen any saved Grade. Ask the Doctor from the report.
Captured in the iPhone app, October 1–2, 2026. Saved research examples, not live odds or predictions. Tail shows an account’s empty Following feed.
DOUBLE DOSE · 100% RESEARCH UNIT CREDIT
Double your research for signing up now.
Research units pay for Grades and the Doctor.
The first 1,000 subscribers get a one-time bonus equal to their plan’s monthly research units.
- Starter $9.99/mo+1,000 research units
- Pro $19.99/mo+2,000 research units
- Elite $49.99/mo+4,000 research units
- Any plan. We match its monthly research units, once.
- Lands with your first payment. Use it within 30 days.
- First 1,000 subscribers. A refund takes it back.
Bonus lasts 30 days from your first payment. Research units pay for Grades and the Doctor; they aren’t money and can’t be bet. Double Dose terms
PLANS & PRICING
Plans from $9.99/month.
Your first Grade is free on iPhone. Paid plans add a monthly research allowance and deeper research. Cancel anytime.
Sign up free. Get 1 free Grade.
Grade my slipOn a computer? Scan to get the app
Scan with your iPhone camera to open the App Store.
Starter
$9.99/ month
ends in 1d 3hLocked for life. $29.99 from Sunday.
1,000 research units per month · Smart depth
Start for $9.99Pro
$19.99/ month
ends in 1d 3hLocked for life. $49.99 from Sunday.
2,000 research units per month · Deep depth
Choose ProElite
$49.99/ month
ends in 1d 3hLocked for life. $79.99 from Sunday.
4,000 research units per month · Elite depth
Choose EliteCheckout runs on your BSD app account. New to BSD? Start free on iPhone, then subscribe here. Compare all plans. Prices vary by region.
CAPPERS
Your people already ask what you’d bet. Send them here.
Pick your payout: up to 50% for a year or 30% for life on every bettor you send. Continue with Google or Apple, tap Get my link, and share it. No app account needed first.
Become a Capper
Up to 50% of eligible net subscription revenue for each subscriber’s first 12 months, or 30% for their life, web and App Store. Net of fees, taxes, refunds, and disputes. 21+.
AGENT CONNECT
Connect your AI.
Authorize Claude, ChatGPT, or another MCP client to read your saved BSD research and ask better follow-ups. Pro or Elite.
Claude
ChatGPT
OpenClaw
Meta Muse
Grok Bot
Hermes
Logos identify products, not partnerships or verified BSD connections. Other clients depend on their own MCP support.
EXPLORE BETSLIP DOCTOR
Go deeper with the Doctor.
The appSee how Grade checks a slip and keeps the report.Agent ConnectHook your AI up to your saved BSD research.Plans & pricingPlans from $9.99/month. Compare Free, Starter, Pro, and Elite before you choose.CappersShare BetSlip Doctor with the people who bet with you and pick your payout: up to 50% for a year or 30% for life.
BEFORE YOU LOCK IT