Side by side
Helium vs TIO
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 AndroidAPIiPhone+2
Helium combines academic planning, grade calculations, calendar syncing, and notes in a free student planner. Its single-active-token limit and lack of maintained integrations are worth considering for API-based workflows.
Visit Helium Free plan Web
TIO offers broad personal planning tools with offline use, calendar connections, and detailed task options. Its local storage model requires care with browser data and device changes, and it does not provide team-management features.
Visit TIOThe facts
| Helium | TIO | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Self-hosted, Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | heliumedu.com | tio.do |
| On daily planner apps | #68 of 137 | #72 of 137 |
Helium: what it does well
- Grade calculations include hypothetical scores and target-grade planning.
- Five schedule views include search and drag-and-drop.
- Two-way syncing supports Google, Apple, and iCal sources.
- Full schedules can be exported as JSON.
- Open-source code and a public REST API are available.
What to know first
- Only one API token can be active per account.
- No official integrations or pre-built tooling are maintained.
- User data is stored and processed in the United States.
TIO: what it does well
- Day, week, month, and year planning views
- Detailed tasks with subtasks and recurring schedules
- Works offline with local browser storage
- Supports Google Calendar and Microsoft 365
- Includes reminders, focus timer, and statistics
What to know first
- Clearing browser data can remove tasks
- Tasks need transfer or sync for new devices
- Google Drive and OneDrive sync are experimental
- No shared team boards or assignments