Scheduling app with real-time device sync
Built for Professionals and small business owners who manage appointments across multiple devices and need reliable multi-device calendar synchronization..
“Schedules are not syncing across devices causing schedule conflicts. This has been an off and on problem for three years now, but getting worse all the time. Al…”
The receipts — real demand
“Schedules are not syncing across devices causing schedule conflicts. This has been an off and on problem for three years now, but getting worse all the time. All apps are up to date. it finally crashed on my other phone, so I uninstalled it then tried to reinstall and now it won't reinstall on that phone at all. Very fed up with this app.”
Full dossier
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Every corroborating quote, the source receipts, and the community echo. One email, no payment.
Why this is a gap
Surfaced from a high-intensity complaint with clear willingness to pay and a specific, reachable audience.
The market
Professionals and small business owners managing multi-device calendars are a large market, but no search volume data and competition at 9/10 (Google Calendar, Apple Calendar, Outlook) suggest this is a solved problem for most users.
Competition & the opening
Google Calendar, Apple Calendar, Outlook, and Calendly handle multi-device sync; the pain signal shows sync failures over three years despite updates. The gap is in reliability and conflict resolution, not feature novelty.
What's hard to build
Feasibility is very low (4/10) because sync reliability at scale is genuinely hard: detecting and resolving conflicts, handling offline edits, managing time zones across devices, and competing with entrenched players with more resources. The technical debt in existing apps suggests this is harder than it appears.
Why now
Calendar sync bugs persist across platforms despite three years of reported failures.
How you'd monetize
$6/mo freemium SaaS