Blog · AI app builders
Scheduled tasks for Lovable, Bolt.new, base44, v0 and friends
Most AI app builders scaffold your app and skip the scheduler. The two that ship one come with credit-burn or plan-lock strings. These posts cover the external cron pattern.
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AI app builders
Lovable, Bolt.new, v0, Tempo, and Create.xyz all generate a working app from a prompt and ship a public function URL. None of them ship a scheduler. base44 launched Automations on December 31, 2025, but each run costs one integration credit and the Builder plan ($40/mo) has a 5-minute floor. A single 5-minute schedule eats roughly 86% of the Builder plan's monthly credit cap before the function does anything. Replit Scheduled Deployments work, but they bill compute time per run. Either way, the math gets uncomfortable fast.
The pattern that works across all seven builders is the same. Ask the builder's chat to expose a public function URL with a shared-secret header check, set the secret as an environment variable in the project, and point Crontap at the URL on the cadence you actually need. 1-minute floor on Pro, per-IANA timezones for region-specific work, custom headers for the secret, retries on 5xx, and failure alerts to Slack, Discord, Telegram, email, or a webhook. The posts below walk each builder's specifics plus a comparison of what every builder ships natively.
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FAQ
Common questions on AI app builders
- base44 Automations already exist. Why pay for an external cron?
- The native Automations work fine for a single nightly cleanup. For anything more frequent, the per-run credit cost compounds: a 5-minute schedule is 8,640 credits/month, which is 86% of the Builder plan's allowance on bookkeeping alone. Crontap fires the same function URL without touching the credit budget.
- Will my Lovable, Bolt or v0 app survive a redeploy with this pattern?
- Yes. The schedule lives outside the builder, so reprompting, redeploying, or rebuilding the app doesn't affect the cron itself. As long as the public function URL keeps the same path, Crontap keeps firing.
- How do I stop random visitors from invoking my scheduled function?
- Add an X-CRON-TOKEN (or similar) header check inside the handler. Crontap sends custom headers per schedule, so a long random string set as both an env var on the app side and a header on the schedule side locks the endpoint to your scheduler.
- My builder has a 5-minute floor natively. Crontap's floor is 1 minute, right?
- Right, on Pro. The free tier is 1 hour. For every-minute work (real-time syncs, polling, reminders), Pro is the floor and matches what most AI builders won't give you natively.
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