Convex vs Whalesync: Pricing Comparison (2026)
Convex starts at $25/mo. Whalesync starts at $5/mo. Whalesync is $20/mo cheaper on the entry tier than Convex.
Reactive backend platform positioned as the alternative to Firebase for TypeScript developers who want end-to-end type safety + real-time subscriptions without configuring WebSockets. Distinctive per-developer pricing ($25/dev/mo Professional) instead of usage-based — predictable bills regardless of data volume or query count. Free tier is generous for solo projects. Popular with venture-backed startups building interactive AI/collaboration apps.
Two-way database sync between no-code tools (Airtable ↔ Webflow ↔ Supabase ↔ HubSpot). Positioned as the alternative to running one-way Zapier automations for keeping two data sources in lockstep. Distinctive for solving the specific pain of "CMS collection needs to match Airtable base but also flow back." Priced $29-$299/mo across four tiers. Popular with no-code agencies building client sites.
All plans compared
| # | Plan | Convex monthly | Convex annual | Whalesync monthly | Whalesync annual |
|---|---|---|---|---|---|
| 1 | Free | 0 | 0 | — | — |
| 2 | Professional | 25 | 25 | — | — |
| 3 | Enterprise | custom | custom | — | — |
What each is best for
Reactive backend platform positioned as the alternative to Firebase for TypeScript developers who want end-to-end type safety + real-time subscriptions without configuring WebSockets. Distinctive per-developer pricing ($25/dev/mo Professional) instead of usage-based — predictable bills regardless of data volume or query count. Free tier is generous for solo projects. Popular with venture-backed startups building interactive AI/collaboration apps.
Two-way database sync between no-code tools (Airtable ↔ Webflow ↔ Supabase ↔ HubSpot). Positioned as the alternative to running one-way Zapier automations for keeping two data sources in lockstep. Distinctive for solving the specific pain of "CMS collection needs to match Airtable base but also flow back." Priced $29-$299/mo across four tiers. Popular with no-code agencies building client sites.
At a glance
| Convex | Whalesync | |
|---|---|---|
| Free plan | Yes | — |
| Entry price | $25/mo | $5/mo |
| Enterprise available | Yes | Yes |
| Pricing model | — | Per Usage |
| Last verified | July 25, 2026 | July 18, 2026 |
| Full pricing | View full pricing | View full pricing |
Pricing last verified July 25, 2026. Tracked daily.