Ben Koonse

I build small, useful software.

I'm the founder of TrySpree. I like finding an annoying problem and shipping a product that makes it go away. Here is what I've made.

Live products

TrySpree

Free samples from real brands, found and checked every day. On the web, iOS and Android.

Consumer · Web + mobiletryspree.com ↗

FreebieAgent

An AI agent that finds free samples and fills out the claim forms for you. One click, no forms.

Consumer · AI agentfreebieagent.com ↗

VentMode

Cracks your Tesla's windows on hot, dry days and closes them before rain or night. Nothing to open, nothing to remember.

Consumer · Teslaventmode.app ↗

RevealBid

Photo the opening, swap the product, price the job. On-site bidding for window and door replacement, built for an iPad in a customer's living room.

B2B · Home servicesrevealbid.com ↗

Keelsure

Inspection-ready 21 CFR 123.12 verification for US seafood importers, with a free HACCP plan-drafting portal for their foreign processors.

B2B · Food safety compliancekeelsure.com ↗

In the works

Halden

A free, 5-step guide that checks your coverage, prices your IVF treatment path, and shows the decisions that change the number.

Consumer · FertilityIn progress

SuperStork

A surrogacy journey tracker. Milestones, shared tasks, documents and an AI assistant for surrogates and intended parents.

Consumer · FamilyIn progress

Open source & older work