Side by side
Helium vs Power Planner
Both stand on study 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 Open source AndroidAPIiPhone+3
Power Planner combines homework reminders, weekly schedules, and grade tracking, with Google Calendar support. Students with custom non-A/B schedules or who need more than one semester should review the stated limitations and plan details.
Visit Power PlannerThe facts
| Helium | Power Planner | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Android, API, iPhone, Self-hosted, Web | Android, API, iPhone, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Premium (Lifetime): $4.99, paid once |
| Plans published | 1 | 3 |
| Maker | Not published | Power Planner |
| Website | heliumedu.com | powerplanner.net |
| On study planner apps | #4 of 38 | #1 of 38 |
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.
Power Planner: what it does well
- Tracks assignments and exams with reminders.
- Calculates GPA across semesters.
- Can show classes and homework in Google Calendar.
- Online account is optional.
What to know first
- Does not support fully custom non-A/B schedules.
- Web version is marked beta.
- Free plan covers only one semester.
- No Canvas or Blackboard integration.
Alternatives to Helium Alternatives to Power Planner The whole list