# Diby > Diby is an AI coaching platform for solo online fitness coaches. It learns each coach's voice and drafts routine client check-ins and messages from each client's real data, for the coach to review and approve — so one coach can serve a larger roster without hiring. Diby serves solo online fitness coaches in the US, UK, Australia, New Zealand, and the EU. ## Answers - [How many clients can an online coach handle?](https://diby.io/answers/how-many-clients-can-an-online-coach-handle): A solo online coach can personally manage roughly 30–50 clients before check-ins and messaging start eating the week and quality slips. - [How do I automate client check-ins without losing the personal touch?](https://diby.io/answers/automate-check-ins-without-losing-personal-touch): Automate the mechanical layer — scheduling, reminders, collecting responses, pulling last week's data — and keep your judgment on top. - [Can AI write client check-ins that actually sound like me?](https://diby.io/answers/can-ai-write-check-ins-that-sound-like-me): Generic AI replies sound generic because they're fed generic input. - [How do I scale past 50 clients without hiring?](https://diby.io/answers/scale-past-50-clients-without-hiring): You scale past 50 by removing the work that grows with every client — check-ins, replies, progress tracking — not by adding people. - [Should I hire a VA or automate my coaching admin?](https://diby.io/answers/hire-a-va-vs-automate-coaching): A VA costs roughly $500–2,000/month and still needs hiring, training, and managing — and can't reply in your voice. - [How much time do online coaches spend on admin?](https://diby.io/answers/how-much-time-coaches-spend-on-admin): Online coaches typically lose 15–20 hours a week to admin — check-ins, messaging, scheduling, onboarding — often more time than they spend actually coaching. - [How do I keep coaching personal at scale?](https://diby.io/answers/keep-coaching-personal-at-scale): The personal feel survives scale when the system carries the personalization — your voice, the client's history, what changed this week — so every client still gets a reply that's clearly about them, even at a big roster. - [What's the best Trainerize alternative for a solo coach?](https://diby.io/answers/best-trainerize-alternative-solo-coach): The best Trainerize alternative for a solo coach depends on what you're leaving for — per-client pricing, admin load, or the missing AI layer. - [What's the best software for a solo online coach?](https://diby.io/answers/best-software-solo-online-coach): For a solo coach with 30–80 clients, the right platform is the one that kills your biggest bottleneck — usually admin and check-ins, not program delivery. - [How do I switch coaching platforms without losing clients?](https://diby.io/answers/switch-coaching-platforms-without-losing-clients): Most coaches who switch platforms lose 10–20% of their roster — not because clients hate change, but because the coach treats migration like a software task instead of a relationship one. - [How do I stop clients ghosting their check-ins?](https://diby.io/answers/stop-clients-ghosting-check-ins): A missed check-in is the clearest churn signal you'll get. - [Why do coaching clients quit?](https://diby.io/answers/why-coaching-clients-quit): Most online coaching clients quit from a communication and accountability gap, not from bad programming — annual churn averages around 50%, but coaches with strong onboarding and consistent check-ins hold 80%+. - [How do I transition from in-person to online coaching?](https://diby.io/answers/in-person-to-online-coaching-transition): Most clients follow you online if you replace what they actually valued — accountability and feeling seen — before you drop the in-person sessions. - [How much should I charge for online coaching?](https://diby.io/answers/how-much-to-charge-online-coaching): Online coaching typically runs $100–300+ per month depending on touch level and niche. ## About - [About](https://diby.io/about): Company and team.