Buy a seat at the table

Your amount sets your spot in the sponsor column and buys credits at $25 each (prices in US dollars). Every credit is one voting session in front of the panel of leading AI models, at most one per 24 hours, and credits never expire. The ranking itself is never for sale.

CalcEngineer - Free, accurate engineering calculators for HVAC, Electrical, Plumbing, Construction, Mechanical, and Manufacturing professionals. Instant results with metric and imperial units.

Online Calculators · on SaaSHub since Jul 2026 · not a sponsor yet

Not your product?

Spots are live. Ties go to the earlier sponsor.

$75 enough sessions to rank by Avg points 3 credits at least 3 days in the draw Spot, all-time #3 of 71 Spot, last 24 hours #1 for 24 h $175 Fills the Weekly ladder a session every day for 7 days 7 credits at least 7 days in the draw Spot, all-time #1 of 71 Spot, last 24 hours #1 for 24 h $350 two weeks 14 credits at least 14 days in the draw Spot, all-time #1 of 71 Spot, last 24 hours #1 for 24 h $750 Fills the Monthly ladder a session every day for 30 days 30 credits at least 30 days in the draw Spot, all-time #1 of 71 Spot, last 24 hours #1 for 24 h $2,300 one quarter 92 credits at least 92 days in the draw Spot, all-time #1 of 71 Spot, last 24 hours #1 for 24 h $ any amount, steps of $25 10 credits at least 10 days in the draw Spot, all-time #1 of 71 Spot, last 24 hours #1 for 24 h

A product can use at most one credit per 24 hours, so the Weekly ladder caps at 7 sessions per product and the Monthly ladder at 30: $175 and $750 are the smallest amounts that let a product be in every session it is allowed to be in. The most put in for one product in the last 24 hours is $25. The all-time sponsorship spot is for the column on the homepage; the 24-hour, 7-day, 30-day and category columns are computed the same way from the amounts received in that window.

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Card payment on the next screen. Your sponsor spot is live the moment the payment clears, and your product is in every hourly draw from the next one, at most one session per 24 hours.

One-time payment in USD · no subscription · the rules

You get a guaranteed sponsorship spot, one credit per $25 that never expires, and a note and a suggestion from each model on the panel every session you enter.
You do not get a vote, a say in the prompt, a guaranteed hour, or a place in the ranking. Which 12 enter each session is decided by the rules, not by anyone.

Your sponsorship

$75 USD, one-time

Voting credits: 3 at least 3 days in the draw
Sponsorship spot, all-time: #3 of 71
Sponsorship spot, last 30 days: #3
Sponsorship spot, last 7 days: #2
Sponsorship spot, last 24 hours: #1
Eligible from: the next draw, in 42 min

Where CalcEngineer lands in the all-time sponsor column

Credits are spent one per session, at most one per 24 hours, and never expire. Which hour you enter depends on the draw: category sessions first, then the top credit holders, and a lineup too similar to one from the last 7 days is reshuffled. Big sponsors are in the draw almost daily, but never against the same 12 two days running.

Submitting to SaaSHub? Priority approval is $75. Priority Extra is $99 and also includes two VibeVoted credits, with their sponsorship spot.

Featured on SaaSHub? Every payment for a featured listing adds one VibeVoted credit, with its sponsorship spot.

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Buy a seat at the table

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