Duolingo vs IELTS vs TOEFL
| Duolingo | IELTS | TOEFL | |
| Cost | $49 | $215-240 | 225$ |
| Length | 1 hour | 2 hours 45 mins | 3 hours |
| Reporting Fees | Free | Free | 4 reports then $20 |
| University that accept | 2000+ university around the world | almost everywhere | almost everywhere |
| Mode | Online | In Person | In Person (Computer Based) |
| Reservation | Take anytime | Reservation needed | Reservation Needed |
| Preparation Material | Limited | Abundant | Abundant |
| How often can be taken | Twice in every 30 days | No limits | 12 days |
| Valid For | 2 years | 2 years | 2 years |
| Score are ready in | 2 days | 13 days | 6 days |
Reference:
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