Portfolio
Every product below was designed, built and is operated by Tovanin. They earn or lose money on their own merits, which keeps our advice honest.
8200 University Pro
Preparation for IDF unit selection: practice tests, explanations and a cash affiliate program.
- Market
- Israel, Hebrew
- Stack
- Next.js (static), Cloud Functions, Stripe
- One concrete fact
- Static Next.js front end with Cloud Functions behind Stripe; a cash affiliate program pays referrers per sale.
PsychometryBest
Psychometric and Amirnet exam practice with an AI essay checker that scores and comments on written answers.
- Market
- Israel, Hebrew
- Stack
- Next.js, Firebase, Gemini
- One concrete fact
- Exam answers never reach the browser: they are checked server-side, so the question bank cannot be extracted.
RumboVisa
US visa interview simulator with voice interviews run by Gemini AI, in Spanish and Portuguese.
- Market
- 19 Latin American countries plus Brazil
- Stack
- Next.js, Firebase, Gemini voice
- One concrete fact
- Voice interviews run end to end on Gemini AI, with feedback after each answer.
Bound in Words
AI biographer that turns weekly conversations into a printed memoir, sold as a gift.
- Market
- English, plus German, Spanish, Portuguese, Russian and Chinese
- Stack
- Next.js, Firebase, Stripe, Gemini
- One concrete fact
- Six languages on one codebase; Stripe checkout with separate live and test modes.
Four AI copilots
Four AI copilots: severance calculator, job application helper, used-car scam check and public tender eligibility.
- Market
- Colombia, Mexico and Brazil
- Stack
- Next.js, Firebase, Gemini
- One concrete fact
- Four products on one shared codebase and one deploy pipeline.
InmoAtlas
Property price transparency built on scraped listing data, with city and neighbourhood pages.
- Market
- Seven countries in Latin America
- Stack
- Next.js, Firebase, Scrapers
- One concrete fact
- Listing data collected by scheduled scrapers with retries and alerts; no manual data entry.
ZenPoliza
Insurance comparison site with guides and quote requests.
- Market
- Brazil, Mexico and Colombia
- Stack
- Next.js, Firebase
- One concrete fact
- Three markets served from one site, with content in Portuguese and Spanish.
Relovida
Guide to residency visas in Latin America for foreigners, with country by country requirements.
- Market
- International, English
- Stack
- Next.js, Static content
- One concrete fact
- Country by country requirements as static pages, so every guide is indexable.
Tellus Agua
Site for a water engineering consultancy: services, projects and contact.
- Market
- Colombia, Spanish
- Stack
- Next.js, Firebase
- One concrete fact
- A real consultancy the studio also runs, so the site is kept current with its projects.