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Simply Efficient alternatives & similar sites

Simply Efficient - To Do List & Calendar App — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Productivity →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
any.do ↗	69 match 2 shared topics	A simple to do list for you and your team	en	productivity	robotsllmsaihumans	emailphone	none
mccalendar.app ↗	69 match 2 shared topics	MC Calendar	en	software-and-applications	robotsllmsaihumans	emailphone	none
missionready.app ↗	67 match 2 shared topics	Mission Ready — To-Do List & Task Manager App	en	productivity	robotsllmsaihumans	emailphone	none
thinkflownote.com ↗	67 match 2 shared topics	Think Flow - Simple & Efficient Logic Mind Map	en	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
365calendar.app ↗	67 match 2 shared topics	365 Calendar & Tasks - FREE APP	en	software-and-applications	robotsllmsaihumans	emailphone	none
365-calendar-tasks.com ↗	67 match 2 shared topics	365 Calendar & Tasks - FREE APP	en	software-and-applications	robotsllmsaihumans	emailphone	none
dhakira.app ↗	66 match 2 shared topics	Dhakira — Tasks, Notes & Calendar	en	productivity	robotsllmsaihumans	emailphone	partial · 8
agenda.com ↗	66 match 2 shared topics	Agenda - Notes meets Calendar	en	software-and-applications	robotsllmsaihumans	emailphone	none
appigo.com ↗	66 match 2 shared topics	TaskFire by Appigo - The Original To-do List App & Task Manager	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
mintlist.app ↗	65 match 2 shared topics	Mintlist - Simple Task Management	en	software-and-applications	robotsllmsaihumans	emailphone	none
missingsync.app ↗	65 match 2 shared topics	MissingSync - Notion Calendar Synchronization	en	software-and-applications Gumroad	robotsllmsaihumans	emailphone	none
throwlist.com ↗	65 match 2 shared topics	ThrowList - Free Online Todo List \| No Sign-up Required	en	software-and-applications	robotsllmsaihumans	emailphone	none
milk.app ↗	65 match 2 shared topics	Remember The Milk: Online to-do list and task management	en	productivity	robotsllmsaihumans	emailphone	none
slackalendar.com ↗	65 match 2 shared topics	Slackalendar - Team Task Management	en	productivity	robotsllmsaihumans	emailphone	none
2beesy.com ↗	65 match 2 shared topics	2beesy - Make your free calendar look busier.	en	software-and-applications	robotsllmsaihumans	emailphone	none
thetela.com ↗	65 match 2 shared topics	TELA - Trusted Efficiency Liaison Assistant	en	productivity	robotsllmsaihumans	emailphone	none
smarttodolist.com ↗	65 match 2 shared topics	Smart To-Do List - Task Management • Checkify	en	productivity WordPress	robotsllmsaihumans	emailphone	none
scanlists.com ↗	65 match 2 shared topics	ScanLists - Create QR Codes for To-Do Lists and Inventory Checklists	en	productivity	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.