cron-ai
AI-powered cron expression generator and validator
Web app Rated 7 Oct 2026Dormant
- Built by
Robi makes stuff
Bloat
84/500Where it landed on the scale
0
300
400
Summary
cron-ai is a one-page tool that is still live, but it was posted once in March 2023 and never updated. It solves a real but minor problem with an AI layer that is easy to copy, and it shows no pricing, accounts, payments or support. It reads as a weekend experiment shared for fun, not a product being built into a business.
Bloat · Not much here works or looks likely to last, yet.
Breakdown
Five measures, 100 points each. Open the receipts under any of them to see the posts and pages behind the points.
Viability
Is there a real problem, someone who would pay, and a market this builder can actually reach?
Cron expressions are a real annoyance, but the tool looks like a toy with no path to payment, no pricing, and no sign it targets local users.
14/100
Rubric 0–20No clear problem or user. A toy, a practice clone, or a solution looking for a problem.
Receipts (2)
The post shares the tool playfully, as a challenge to 'break it', with no mention of users, customers or a business model.
“person : they will use it well me : run every first day of the month excluding wendsdays , friday 13ths , leap years, leap seconds and the 2nd second of public holidays link if you want to break it too https://cron-ai.vercel.app/”
Post · @Robi_makes_stuff · 15 Mar 2023 · open on Telegram (opens in a new tab)
The page has only a text input and a cross-promotion for another project, with no pricing, accounts or payments.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
Moat
What stops someone copying it?
It is a thin wrapper that turns text into cron expressions, and anyone could rebuild it in a weekend with a general-purpose LLM.
6/100
Rubric 0–20A thin wrapper or a clone that anyone here could rebuild in a weekend.
Receipts (2)
The page offers a single 'words to cron expression' box, with no proprietary data, integrations or depth.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
The only showcase is a joke prompt, which shows no differentiation beyond the novelty.
“person : they will use it well me : run every first day of the month excluding wendsdays , friday 13ths , leap years, leap seconds and the 2nd second of public holidays link if you want to break it too https://cron-ai.vercel.app/”
Post · @Robi_makes_stuff · 15 Mar 2023 · open on Telegram (opens in a new tab)
Momentum
Did the updates keep coming?
It was shipped once on 2023-03-15 and never touched again, with no update in over 1,300 days.
0/100
- Sustained shipping0/60
Worked on across 0 days.
- Consistency0/40
Updates in 1 of 1 month.
- Quiet
No update for 1302 days — scaled to 20%.
Receipts (1)
Earliest post about it.
“person : they will use it well me : run every first day of the month excluding wendsdays , friday 13ths , leap years, leap seconds and the 2nd second of public holidays link if you want to break it too https://cron-ai.vercel.app/”
Post · @Robi_makes_stuff · 15 Mar 2023 · open on Telegram (opens in a new tab)
Infrastructure
Does a real, working product exist?
A working single-purpose page is live on HTTPS, but it sits on a free subdomain with no accounts, docs, status page, legal pages or support, so it is thin.
51/100
- It's live20/20
https://cron-ai.vercel.app/ responded when checked.
- HTTPS5/5
Served over HTTPS.
- Real product25/35
The site is live and the tool appears to work as described, but it is a single-function page with no accounts, history or validator beyond the generator.
- Own home0/10
Only on a free subdomain or link-in-bio page.
- Maintained0/15
Last sign of shipping 2023-03-15.
- Operations1/15
There is no backend visible to users, no accounts, no docs, no status page, and it exists on a single platform.
Receipts (4)
https://cron-ai.vercel.app/ responded when checked.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
The page is live and has a working input for generating cron expressions.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
The creator invites people to try to break it, implying it runs and responds to input.
“person : they will use it well me : run every first day of the month excluding wendsdays , friday 13ths , leap years, leap seconds and the 2nd second of public holidays link if you want to break it too https://cron-ai.vercel.app/”
Post · @Robi_makes_stuff · 15 Mar 2023 · open on Telegram (opens in a new tab)
The snapshot shows no docs, accounts, status page or store links.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
Sustainability
Is it being set up to last?
There is no revenue model, pricing, payments or support, and the creator has not returned to the project, so nothing here suggests it can sustain itself.
13/100
- Distribution12/30
A site on a free subdomain.
- Payments0/15
No payment provider found.
- Pricing0/10
No pricing found on the site.
- Revenue0/5
Nothing in the posts or on the site shows paying customers or revenue.
- Privacy policy0/7
No privacy policy found.
- Terms0/5
No terms of service found.
- Support0/8
No support contact found.
- Commitment1/20
There was a single post, no roadmap or dedicated channel, and no activity for over three years. The site does promote the creator's other project.
Receipts (4)
A site on a free subdomain.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
No payment provider or pricing was found.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)
It is the only post about the project, dated 2023-03-15.
“person : they will use it well me : run every first day of the month excluding wendsdays , friday 13ths , leap years, leap seconds and the 2nd second of public holidays link if you want to break it too https://cron-ai.vercel.app/”
Post · @Robi_makes_stuff · 15 Mar 2023 · open on Telegram (opens in a new tab)
The page points to a different project (Screen Mockups), not to a roadmap or community for this tool.
Checked 7 Oct 2026 · cron-ai.vercel.app (opens in a new tab)