Digital tool decision guide

Better tools.
Clearer decisions.

We organize official information on pricing, features, and constraints so you can compare AI, SaaS, and web services with confidence.

240published articles
7core categories
JA / ENJapanese and English
Official sourcesprovider pages prioritized
Topic guides

Browse by the decision you need to make

Move directly to comparisons and reviews aligned with your buying, setup, or operating goal.

Comparisons

Compare popular services side by side

Compare pricing, features, operating effort, and constraints on the same page.

ComparisonCashless Payment Services

AirPAY vs Square: Fees, Hardware, Settlement, and POS Fit

Compare AirPAY and Square across in-person fees, fixed costs, hardware, settlement, POS integration, and online payment expansion.

Last checked: 2026-07-20Read →
ComparisonPOS and Payment Integration

AirREGI vs Square POS: Which Free POS Fits Your Store?

Compare AirREGI and Square POS across free features, hardware, payments, inventory, customer management, and expansion options.

Last checked: 2026-07-20Read →
ComparisonPOS and Payment Integration

POS vs Payment Service: What Does a Store Actually Need?

Understand the different roles, costs, integration points, duplicate-entry risks, and implementation order for POS and payment services.

Last checked: 2026-07-20Read →
ComparisonRestaurant POS & Ordering

funfo vs Kantan Chumon vs EMEAO!: Three Ways to Source a Restaurant POS

Compare self-service testing with funfo, provider consultation with Kantan Chumon, and multi-vendor matching through EMEAO! for restaurant POS sourcing in Japan.

Last checked: 2026-07-20Read →
ComparisonWeb & WordPress Hosting

XServer vs ConoHa WING: Pricing, Contracts, and WordPress Workflows

Compare XServer and ConoHa WING by normal pricing, long and short terms, storage, WordPress, domains, backups, and support.

Last checked: 2026-07-20Read →
GuideManaged WordPress

Kinsta Discounts and Coupon Codes: Annual Savings, First Month Free, and Eligibility

Review Kinsta coupon claims, first-month-free plans, annual savings, and 15% discounts for eligible nonprofits and open-source projects using official sources.

Last checked: 2026-07-24Read →
GuideManaged WordPress

How to Migrate WordPress to Kinsta: Free Migration, DNS Cutover, and Launch Checklist

Plan a WordPress migration to Kinsta with official free-migration details, credentials, dynamic data, DNS cutover, launch checks, and rollback preparation.

Last checked: 2026-07-24Read →
Product reviews

Explore individual product reviews

Review the features, caveats, and best-fit use cases to check before adopting each product.

ReviewPOS and Payment Integration

AirREGI Review: Free POS Features, Costs, and Limitations

Review AirREGI's free POS scope, required hardware, inventory, customer and sales functions, AirPAY integration, and implementation caveats.

Last checked: 2026-07-20Read →
ReviewCashless Payment Services

AirPAY Review: Fees, Settlement, Payment Methods, and Caveats

Review AirPAY's standard fees, 2.48% discount program, supported methods, settlement frequency, AirREGI integration, and caveats.

Last checked: 2026-07-20Read →
ReviewPOS and Payment Integration

Square POS Review: Pricing, Hardware, Features, and Limits

Review Square POS pricing, hardware, payment fees, inventory and customer tools, online integration, and implementation limits.

Last checked: 2026-07-20Read →
ReviewCashless Payment Services

PayCAS Mobile Review: Features, Pricing, and Operational Caveats

Review PayCAS Mobile's built-in printer and SIM, payment coverage, quoted pricing, twice-monthly settlement, and POS integration checks.

Last checked: 2026-07-20Read →
ReviewRestaurant POS & Ordering

Kantan Chumon Review: Mobile Ordering, Restaurant POS Features, and Caveats

Review Kantan Chumon using official information on published pricing, POS and mobile ordering, multilingual operation, payment integration, subsidies

Last checked: 2026-07-20Read →
ReviewWeb & WordPress Hosting

XServer Japan Hosting Review 2026: Pricing, WordPress and Email

An official-source XServer review covering pricing, storage, WordPress, domains, backups, email, support, and contract constraints.

Last checked: 2026-07-20Read →
Transparency

Official sources and verification dates

Articles prioritize official pricing, product, and help pages, with verification dates for details that can change.

  • Affiliate-link status disclosed in every article
  • Evaluation criteria stated up front
  • Sources linked at the end of each article