Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · AI Calendar Assistants

Sunsama vs Trevor AI

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Sunsama #5 in AI Calendar Assistants 8.8/10 14-day trial Free trial✓ 0 of 4 features Visit Sunsama
Trevor AI #8 in AI Calendar Assistants 8.5/10 Free plan · 7-day trial Free planFree trial✓ 0 of 4 features Visit Trevor AI

Sunsama leads on 0 checks, Trevor AI on 2, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSunsama · 8.8/10
  • Lowest starting priceTrevor AI · $5/mo
  • Free planonly Trevor AI
  • Free trialboth

Sunsama scores higher on our rubric for ai calendar assistants: 8.8 against 8.5 out of 10; our editors rank them #5 and #8.

Trevor AI offers free plan; Sunsama doesn't. Trevor AI is cheaper to start at $5/user/mo against $17/user/mo.

Sunsama is the better fit for structured daily planners who value maturity. Trevor AI is the better fit for free users wanting simple AI day planning.

  • Sunsama fits best

    Structured daily planners who value maturity

  • Trevor AI fits best

    Free users wanting simple AI day planning

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Sunsama 8.8/10 Visit ↗ Trevor AI 8.5/10 Visit ↗
At a glance
Editor score 8.8 8.5
Ranking #5 in AI Calendar Assistants #8 in AI Calendar Assistants
Best for Structured daily planners who value maturity Free users wanting simple AI day planning
Pricing model Paid Free plan + paid
Starting price $17/user/mo $5/mo (best)
Free plan — ✓ (best)
Free trial 14 days 7 days
Free trial length 14 days · no card needed 7 days
Deployment Cloud, Desktop, Mobile Cloud
Platforms Web, Windows, macOS, Linux, iOS, Android Web
Support Email, Live chat, Community, Docs Email, Docs
Integrations 20 integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Sunsama 0/4 · Trevor AI 0/4
Automatic scheduling Not checked yet Not checked yet
Task management Not checked yet Not checked yet
Priority replanning Not checked yet Not checked yet
Multiple calendars Not checked yet Not checked yet
Specs
Planning input Not checked yet Not checked yet
Supported platforms Not checked yet Not checked yet
Our review
Pros
  • Guided planning combines prioritization, workload review, and timeboxing.
  • Syncs with Google, Outlook, and Apple iCloud calendars.
  • Supports AI estimates, recurring tasks, Focus Mode, and workload tracking.
  • Free plan includes core task-planning features
  • Two-way, real-time sync across supported calendars
  • AI planning, time blocking, focus mode, and task breakdowns
Cons
  • There is no free plan; access requires a paid subscription.
  • Mobile apps are companion apps, not standalone replacements for desktop.
  • Enterprise features require custom arrangements for security, compliance, and billing.
  • Free plan supports only one calendar account
  • Platform coverage is limited to web and Android
  • Recurring scheduled tasks and smart scheduling require Pro
Our verdict

Sunsama is a daily planning workspace for busy professionals who want tasks, calendars, and work-management tools organized around a guided workflow. Users can review previous work, choose priorities, estimate workload, decide what can…

Read the review →

Trevor AI combines task management, calendar timelines, and time blocking for individuals and professionals who want help organizing daily or weekly work. Users can add tasks with colors and notes, drag them onto a calendar, review…

Read the review →
  1. SunsamaAI Calendar Assistants 8.814-day trial
  2. Trevor AIAI Calendar Assistants 8.5Free plan · 7-day trial

Strengths and trade-offs

  • Sunsama — where it wins

    • Guided planning combines prioritization, workload review, and timeboxing.
    • Syncs with Google, Outlook, and Apple iCloud calendars.
    • Supports AI estimates, recurring tasks, Focus Mode, and workload tracking.

    Where it doesn't

    • There is no free plan; access requires a paid subscription.
    • Mobile apps are companion apps, not standalone replacements for desktop.
    • Enterprise features require custom arrangements for security, compliance, and billing.

  • Trevor AI — where it wins

    • Free plan includes core task-planning features
    • Two-way, real-time sync across supported calendars
    • AI planning, time blocking, focus mode, and task breakdowns

    Where it doesn't

    • Free plan supports only one calendar account
    • Platform coverage is limited to web and Android
    • Recurring scheduled tasks and smart scheduling require Pro
  • Sunsama8.8/10 · 14-day trial

    A structured daily planner that combines calendars, tasks, timeboxing, and AI assistance.

    Visit SunsamaFull verdict →
  • Trevor AI8.5/10 · Free plan · 7-day trial

    A focused AI day planner with real-time calendar sync and a useful free tier.

    Visit Trevor AIFull verdict →

More comparisons

All AI calendar assistants comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update