AI Credits — 500
One-time purchase · No subscription required
Top up your Coach with 500 AI Credits. Never expire monthly · roll over across Arcs · work anywhere on DigitalExpo, including the free books.
Unlocks instantly in the OSB Reader after checkout
AI Credits power your DigitalExpo Coach — coaching sessions, deeper Q&A, and read-alongs across every book in your library, including the free ones. They never expire on a monthly cycle and roll over across Arcs.
This pack adds 500 AI Credits to your account instantly after checkout.
Choose your pack: 500 · $5.99 | 1,200 · $11.99 | 2,750 · $24.99
Try the Coach free — no signup required
Every visitor gets 100 free Coach tokens in their browser to try the OSB Coach on this Arc. That covers roughly 20 Coach interactions on the Fast tier — plenty to get a real feel for how the Coach guides you, captures your commitments, and follows up.
- Fast tier (free, default) — 5 tokens per signal. ~20 interactions on the starter allowance.
- Balanced tier — 4× cost, deeper context. Best when you're working through tough moments.
- Deep tier — 8× cost, fullest reasoning. Reserved for genuinely hard calls.
What you get when you buy
Reader access included — Classic and Sprint modes, yours with this purchase. OSB Coach is available as a premium upgrade: Coach tokens meter the premium Coach and can be added to your account at any time. Tokens never expire and roll over across Arcs.
The Coach is delivered by OSB Coach, our digitally-created coaching system. AI is the engine; the Coach is the product.
Take the Coach anywhere — free browser extension (beta)
The DigitalExpo Coach is a browser side-panel that rides any tab. It watches what you're working on, coaches you through it one step at a time, writes the exact command into your DigiPad, and checks your result — the same Coach from your Arc, now beside you on the real web.
- Works on Chrome & Edge — 2-minute install, no store needed
- Voice or text — hands-free, and you can talk over it to interrupt
- Sign in to teach straight from the books you own
- Free while in beta.
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