Verifiedlast checked 2 Nov 2026 · re-checked every 3 days

SANDBOX by Fe/male Switch

Browser-based startup validation game with AI co-founder mentoring for entrepreneurs testing business ideas

Pricing (as verified): €27/year
Free plan / trial: Free plan · trial: 14-day trial on Play tier
Works in: Worldwide
Best for: Solo, Small teams
Does: Writing a business plan or pitch, Validating a business idea
Connects with: Not stated
Company: not stated
Billing and payment: Bills in EUR; payment methods not publicly specified on pricing page

Worth knowing: Women-first focus but open to all users. Non-profit platform with limited third-party reviews. Missing privacy and terms pages.

Is this the right tool for your business?

The directory tells you what exists. The audit tells you what to use, with the prompts, a setup playbook and a 90-day plan.

Start my audit, from $29

“Verified” means: real company, live product, priced as stated on its own site, evidence of real users, checked on the date shown and re-checked every 3 days. It is not a recommendation for your business; the audit does that. We take no commission and have no sponsored listings. How we verify, with live numbers.