Happy Numbers vs Principia
Happy Numbers
happynumbers.comPrincipia
getprincipia.comSide by side
| Figure | Happy Numbers | Principia |
|---|---|---|
| Price from | Free | $4.17/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | — |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 13 | 4 |
| Spec score · Math Learning Apps | 8.8 (#12) | 8.1 (#42) |
| Free plan | Yes | Yes |
| Guided lessons | Yes | Yes |
| Customer support | Paid offerings include dedicated support, with some licenses naming a support specialist or team. | The site lists [email protected] for customer questions and technical assistance. |
| Supported platforms | It is web-based and works on modern PCs, tablets, Smart Boards, any device, and any browser. | ios,macos |
Plans
Happy Numbers
- Basic ClassroomPrice not published
- Classroom License$370 a year
- School-wide License$4,950 a year
- District LicensePriced on request
- Homeschool License$99 a year
- Happy Letters Classroom License$290, paid once
- Happy Numbers Classroom License$370, paid once
- Bundle Classroom License$600, paid once
- Happy Letters K-2 School-wide License$2,000, paid once
- Happy Numbers School-wide License$4,450, paid once
Principia
- ExplorerFree
- Principia Pro$49.99 a year
- Principia Pro Monthly$6.99 a month
- Principia Pro Annual$49.99 a year
In their own words
Happy Numbers
Happy Numbers has no write-up on Specifiction yet; its figures are above.
Principia
Principia has no write-up on Specifiction yet; its figures are above.