Scientific calculator plus 991 vs Duolingo: Language & Chess
| Country |  Duolingo: Language & Chess Super Duolingo | |
|---|---|---|
| 🇹🇷Turkey | — | $1.18 |
| 🇪🇬Egypt | — | $1.20 |
| 🇮🇳India | — | $2.14 |
| 🇵🇰Pakistan | — | $2.68 |
| 🇦🇷Argentina | — | $5.49 |
| 🇧🇷Brazil | — | $6.40 |
| 🇲🇽Mexico | — | $8.62 |
| 🇫🇷France | — | $12.36 |
| 🇨🇦Canada | — | $12.78 |
| 🇺🇸United States | — | $12.99 |
| 🇷🇺Russia | — | $13.13 |
| 🇦🇺Australia | — | $15.42 |
| 🇬🇧United Kingdom | — | $16.90 |
