Side by side
Sumu vs Tempus
Both stand on daily planner apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneWeb
Sumu combines AI planning, calendar coordination, and guided focus sessions in apps and a web version. Local-first storage and a free plan lower the barrier, while account-based sync and undisclosed Pro pricing require consideration.
Visit Sumu Free plan iPhoneMac
Choose Tempus if time blocking, calendar sync, and ADHD-focused planning tools match how you organize your day. Look elsewhere if you need more than three habits without paying, or if you do not use its Apple-device platforms.
Visit TempusThe facts
| Sumu | Tempus | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Web | iPhone, Mac |
| Lowest paid plan | Free or on request | Yearly: $19.99 a year |
| Plans published | 4 | 4 |
| Maker | Sumu | Not published |
| Website | getsumuapp.com | gettempus.app |
| On daily planner apps | #24 of 137 | #20 of 137 |
Sumu: what it does well
- Turns voice or text into scheduled tasks
- Reads and writes supported calendars
- Focus timer with adjustable sessions
- Unfinished tasks can be replanned
- Free plan available
What to know first
- Cloud sync requires an account
- Voice audio is sent for transcription
- Specific free-plan limits are unstated
Tempus: what it does well
- Combines tasks, routines, and calendar events on a visual timeline.
- Accept, edit, or discard AI-proposed schedules.
- Syncs Google, iCloud, and Outlook calendars.
- Supports offline timeline viewing and editing.
- No account is required, and iCloud sync is optional.
What to know first
- The free plan is limited to three habits.
- Focus Mode and unlimited habits require a paid plan.
- Tempus Pro requires iOS 26.2 or later.