Side by side

Etar Calendar vs Lifestack

Both stand on calendar apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Lifestack combines energy-focused planning with calendar, task, and health connections across web, desktop, mobile, and Chrome. The annual plan is the only listed option with a 7-day trial, while the monthly and lifetime options have none.

Visit Lifestack

The facts

	Etar Calendar	Lifestack
Free plan	Yes	A free trial
Open source	Not published	Not published
Runs on	Android	Android, Extension, iPhone, Mac, Web
Lowest paid plan	Free or on request	Annual plan: $50 a year
Plans published	1	3
Maker	Etar Calendar	Not published
Website	github.com	lifestack.ai
On calendar apps	#151 of 194	#147 of 194

Etar Calendar: what it does well

Lifestack: what it does well

Plans around sleep, recovery, and focus
Supports time blocking
Connects Google and Outlook calendars
Works with many health services
Manual health entry is possible

What to know first

No free plan is available
Monthly plan has no free trial
Lifetime listing says $120.00 per month
Google Workspace admin approval may be needed

Alternatives to Etar Calendar Alternatives to Lifestack The whole list