TimeRex vs SailLab | A thorough comparison of features, pricing, and usability [2026 edition]

Two leading Japan-built scheduling tools compared head-to-head: pricing, features, and real-world usability.

"TimeRex or SailLab — which one should I pick?" When you're shortlisting scheduling tools for the Japanese market, this pair often ends up on the table. In this article, we compare both tools across features, pricing, strengths, weaknesses, and recommended user profiles, with a candid take. By the end, you'll know which one fits your operational needs.

The short answer: TimeRex is strong for "simple 1-on-1 scheduling and interview booking," while SailLab is strong for "professional bookings that require service-menu selection plus designated-staff assignment." That's the dividing line. Let's look at the details.

What is TimeRex | Japan's homegrown scheduling tool with 500K+ cumulative users

TimeRex is a Japan-built scheduling tool from Mixtend Inc. (the same company that runs Chouseisan). It launched in 2018 and has surpassed 500,000 cumulative users (as of 2025), with top-tier brand recognition and case studies in the Japanese market.

Key features:

• Two-way sync with Google Calendar, Outlook, and iCloud
• Automated reminders (email; SMS on paid plans)
• Auto-generated meeting URLs for Zoom, Google Meet, and Microsoft Teams
• Team-shared scheduling and round-robin (paid plans)
• Strong fit for recruiting interview coordination (UI optimized for candidates)
• Simple, no-frills UI

What is SailLab | A new-generation scheduling tool with menu selection and staff designation

SailLab is a Japan-built scheduling tool launched in 2026. It pairs Calendly-grade lightweight UI with built-in "service-menu selection," "staff designation," and a "branded booking page (cover image + color customization)" — purpose-built for coaches, consultants, professional services, and businesses that operate with multiple staff members.

Key features:

• Multiple service menus (30-min discovery / 60-min session / 3-month package, etc.)
• Customer-driven staff designation at booking time
• Free-form customization of cover image and color scheme
• Two-way sync with Google Calendar and Outlook
• Automated reminders, auto-issued Zoom URLs
• Stripe and Square payment integration (plan-dependent)

TimeRex vs SailLab: feature comparison

Comparison item	TimeRex	SailLab
Launch year	2018	2026
1-on-1 scheduling	◎	◎
Service-menu selection	△ (multiple Event Types)	◎ (single integrated page)
Staff designation	△ (Team plan and above)	◎ (built-in)
Brand customization	△ (logo only)	◎ (cover image + color)
Google Calendar sync	◎	◎
Payment integration	×	○ (Solo plan and above)
Recruiting interview scheduling	◎	○
Free plan	Yes (up to 20 bookings/month)	Yes
Paid plan starting price	¥750/seat/month	¥800/seat/month
Japanese-language support	◎	◎

Pricing comparison

TimeRex pricing

• Free: ¥0/month, unlimited 1-on-1 bookings
• Basic: ¥750/seat/month (annual billing), multiple event types, branding removal
• Premium: ¥1,500/seat/month, round-robin, team features, SSO

SailLab pricing (planned as of April 2026)

• Free: ¥0/month, up to 20 bookings/month
• Light: ¥800/month, unlimited bookings, custom branding
• Standard: ¥2,980/month (3 users), staff designation, team management

Pricing is roughly comparable. Solo professionals who want to manage multiple service menus under a single user get the best value from SailLab Solo at ¥980; teams of 5+ focused on recruiting coordination should consider TimeRex Premium (¥1,500/seat).

TimeRex strengths and weaknesses

Strengths

• Operator credibility (Mixtend Inc., 500K+ cumulative users)
• UI optimized for recruiting interview coordination (candidate-friendly)
• Simple, no-quirks design — easier to clear enterprise IT reviews
• Rich case studies and support resources

Weaknesses

• Service-menu selection is handled by splitting into Event Types, scattering URLs
• Brand customization is limited to logo and color — no visual differentiation like cover images
• No payment integration (you'll need a separate payment system)
• Insufficient for businesses where "menu + designation" is mandatory (coaching, salons)

SailLab strengths and weaknesses

Strengths

• Service menus, staff designation, and branding integrated into one flow
• Booking flow optimized for coaches, consultants, professional services, and salons
• Cover image + color customization deliver "a booking page that feels on-brand"

Weaknesses

• Beta stage; operating track record is still short
• Third-party integrations (Salesforce, HubSpot, etc.) are still limited

Which should you pick: recommendations by use case

Pick TimeRex if — (1) recruiting interview coordination is the core of your work; (2) simple 1-on-1 scheduling is enough and you don't need menu selection; (3) you're at a large company that prioritizes IT review and operating track record; (4) you'll be using it across a team of 5+.

Pick SailLab if — (1) you're a coach, consultant, professional, or counselor offering multiple service menus; (2) you have multiple staff and want customers to choose which one they book with; (3) you want a booking page that feels consistent with your brand; (4) you want to collect payment for paid sessions at the moment of booking; (5) you're a solo operator or small team (1–5 people).

Migration guide: switching from TimeRex to SailLab

1. Export your existing TimeRex booking data as CSV (Settings → Data Management)
2. Sign up for SailLab's free plan (no credit card required)
3. Connect Google Calendar / Outlook
4. Set up service menus (port your TimeRex Event Types over)
5. If you have multiple staff, invite each one and set up their profile
6. Configure branding (cover image, color, logo)
7. Publish the booking page; update your email signature, business cards, and website with the new URL
8. Run TimeRex in parallel for 1 month before cancelling

Summary

TimeRex and SailLab are less "competitors in the same scheduling category" and more "tools optimized for different use cases." Pick TimeRex for simple scheduling and recruiting; pick SailLab when you need menu selection, staff designation, and branding for professional bookings — that framing is the cleanest way to decide.

Both have free plans, so if you're undecided, try both and pick the one that fits more naturally into your business flow.