Home Tools
Free tools
that actually help.
Practical, no-signup tools for launching apps and taming SaaS — built by the studio behind them.
Free Email Verifier — Check 20 Addresses, No Signup
paste up to 20 addresses and get an honest verdict on each
Open the tool →App Launch Checklist — Free Interactive Tool
Interactive App Launch Checklist
Open the tool →SaaS Consolidation Calculator — Free Waste Estimator
SaaS Consolidation Calculator
Open the tool →Free vs Paid App: Monetization Decision Tool | Code Smith
Free vs Paid App Model Chooser
Open the tool →Single-Tenant vs Multi-Tenant: SaaS Tool | Code Smith
Single vs Multi-Tenant Chooser
Open the tool →How to get the most out of them
Every tool here came out of real client work. The app launch checklist is the list we actually run before a build goes live — the one that catches the store listing nobody proofread and the analytics event nobody wired up. The SaaS consolidation calculator came from watching businesses pay for four tools that each did a fifth of the job.
They need no signup and store nothing. Work through one in a browser tab, export or screenshot the result, and bring it to your team. If the answer you get raises a bigger question — whether to build at all, single-tenant or multi-tenant, free or paid — the pillar guides below go deeper than a calculator can.
Go deeper
- SaaS for business: the practical guide — what to buy, what to build, and how to tell the difference.
- Mobile app development for business — scoping, cost drivers and the decisions that set your budget.
- All articles — plain-language notes on AI, automation and shipping software.