Evelyn AIAI products that genuinely help people

AI products that
make life better.

We build intelligent tools for personal guidance, real estate, pilgrimage, brain training, and legal-prep — products that genuinely help people make better decisions.

Designed in Taiwan. Built for the world.

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Guides & Insights

In-depth, research-backed guides written alongside our products — legal self-help, pilgrimage planning, Japanese real estate, and cognitive health.

LegalTravelReal EstateBrain TrainingTechnology
Legal2026-07-11·8 min read

Before You Sign a Severance Agreement: What You’re Giving Up, and How to Negotiate

A severance agreement is a contract that trades money for your legal claims. What the release actually covers, the deadlines that protect workers over 40, which terms are negotiable, and when to walk it past a lawyer first.

Legal2026-07-10·9 min read

Wrongful Termination in the U.S.: What Actually Counts, and What to Do About It

Most firings are legal under at-will employment — but discrimination, retaliation, contract breaches, and public-policy violations are not. How to tell the difference, gather evidence, and act before the deadlines run out.

Legal2026-07-08·9 min read

Workers' Comp Settlements: How They Work, What Your Case Is Worth, and When Not to Settle

Most contested workers-compensation claims end in a settlement. How lump-sum and structured settlements differ, what goes into the number, the Medicare trap, and the questions to answer before you sign anything.

Real Estate2026-07-06·9 min read

The Real Cost of Buying and Owning Property in Japan: Every Tax and Fee, Itemized

The purchase price is only the beginning. A complete breakdown of Japanese property transaction costs — acquisition tax, registration, stamp duty, agent fees — plus the annual taxes and running costs foreign owners routinely underestimate.

Legal2026-07-05·8 min read

Small Claims Court, Explained: When It Works, What It Costs, and How to Win

For disputes worth a few hundred to several thousand dollars, small claims court is the legal system’s self-service lane — no lawyer required. Claim limits by design, the filing process step by step, and how to actually collect after you win.

Legal2026-07-03·9 min read

How to Apply for Unemployment Benefits: Eligibility, Weekly Amounts, and Winning an Appeal

A practical walkthrough of U.S. unemployment insurance — who qualifies, how weekly benefits are calculated, the biggest reasons claims get denied, and how the appeal process actually works.

Browse all 31 articles →
5
Live products
18
Pilgrimage routes
21
Brain games
47
Japan prefectures

Latest Projects

Five live products.

Tsukisumi Card, Sumika, Sacred Trails, NeuraCraft, and CaseCraft Prep Kits are live and independently useful, each built to solve a specific real-world problem.

Live
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Tsukisumi Card 月澄みカード

Japanese Oracle & Tarot Companion

A calm Japanese oracle-card experience for love, work, naming, and yearly questions. Start anonymously, draw a card, save the case, and unlock deeper readings when store review is ready.

Web liveiOS uploadedPWA
Open Tsukisumi Card→
Live
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Sumika スミカ

Japan Real Estate Intelligence

Professional due diligence reports for Japanese properties. Flood risk, legal checks, price history, and yield analysis — delivered in 7 pages, in 5 languages.

¥14,800 / report47 prefectures5 languages
Explore Sumika→
Live
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Sacred Trails セイクリッドトレイルズ

Pilgrimage Route Companion

Offline guide for Camino de Santiago, Kumano Kodo, Shikoku Henro, and 15 more routes. Stage-by-stage navigation, route stories, and sacred-site context with no internet required.

18 routes10 languagesOffline
Visit Sacred Trails→
Live
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NeuraCraft 脳活革命

Classic Brain Games

21 classic mini-games including Sudoku, 2048, Memory, Chess, Xiangqi, Huarong, Crossword, and Haiku. Offline, ad-free, and designed for a calm daily training routine.

21 games8 languagesApp Store
Visit NeuraCraft→
Live
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CaseCraft Prep Kits 法務準備キット

Free Legal Prep Tools

Free public organizers for wage, layoff, debt, medical bill, and renter housing facts. People can prepare clearer summaries before talking to a lawyer, agency, legal aid, or qualified reviewer.

4 free kitsAd-supportedLaw firm handoff
Open Prep Kits→

Our Philosophy

We build things
worth building.

Each Evelyn AI product is independently useful — not a bundle, not a platform play. We focus on one question: does this make someone's day better?

If yes, we ship it. If not, we kill it. No attachment, just results.

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Real problems only
Every product starts with a genuine pain point. Not a technology looking for a use case — a problem looking for a solution.
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Built for many languages
Great tools should work for everyone. We build with internationalization from day one — Japanese, English, Chinese, Vietnamese, and more.
⚡
AI as infrastructure
AI is the engine, not the feature. We use it to process more data, move faster, and deliver quality that would otherwise take a large team.
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Quality that earns trust
We'd rather ship fewer products done right than many products done carelessly. Our users pay with their time and trust — we take that seriously.