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- Tidepool ABC Remove Tidepool ABC from the comparison
- Northwind Notes Remove Northwind Notes from the comparison
| Attribute | Tidepool ABC Tidepool Kids | Northwind Notes Northwind Labs |
|---|---|---|
| Rating | 2.38 | 3.18 Best |
| Ratings | 69K | 4.34M Best |
| Written reviews | 11.3K | 1.06M Best |
| Installs (estimated) | 4.2M | 42M Best |
| Installs, last 30 days | 50.6K | 10.4M Best |
| Recent growth | +23.3% Best | +2.5% |
| Best chart position | #3 | #1 Best |
| Download size | 139.4 MB | 32.1 MB Best |
| Price | Free | Free |
| Category | Education | Productivity |
| Developer | Tidepool Kids | Northwind Labs |
| Contains ads | No | No |
| In-app purchases | No | Yes |
| Content rating | Everyone | Everyone |
| Requires Android | 9.0 | 11 |
| Released | September 3, 2025 | March 8, 2018 |
| Last update | September 21, 2026 | September 6, 2026 |