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- Periodic Remove Periodic from the comparison
- Northwind Notes Remove Northwind Notes from the comparison
| Attribute | Periodic Tilde Software | Northwind Notes Northwind Labs |
|---|---|---|
| Rating | 4.46 Best | 3.18 |
| Ratings | 5.45K | 4.34M Best |
| Written reviews | 612 | 1.06M Best |
| Installs (estimated) | 581K | 42M Best |
| Installs, last 30 days | 10.5K | 10.4M Best |
| Recent growth | -2.6% | +2.5% Best |
| Best chart position | #13 | #1 Best |
| Download size | 34.7 MB | 32.1 MB Best |
| Price | $1.99 | Free |
| Category | Education | Productivity |
| Developer | Tilde Software | Northwind Labs |
| Contains ads | No | No |
| In-app purchases | No | Yes |
| Content rating | Everyone | Everyone |
| Requires Android | 7.0 | 11 |
| Released | September 6, 2019 | March 8, 2018 |
| Last update | September 5, 2026 | September 6, 2026 |