Demand Category | Indicators | A | O | M | I | R | Q | Better Index | Worse Index |
Interactivity | 1. Friends PK Learning | 17 | 5 | 4 | 131 | 7 | 1 | 14.01% | −5.73% |
2. Checking-in Learning | 29 | 20 | 8 | 103 | 3 | 2 | 30.63% | −17.50% | |
3. Study in Teams | 24 | 5 | 7 | 119 | 7 | 3 | 18.71% | −7.74% | |
4. Note Sharing | 26 | 9 | 7 | 120 | 2 | 1 | 21.60% | −9.88% | |
Functionality | 5. Definition of Words | 29 | 47 | 15 | 69 | 2 | 3 | 47.50% | −38.75% |
6. Change of Word Meaning | 27 | 11 | 6 | 114 | 5 | 2 | 24.05% | −10.76% | |
7. Notes | 41 | 21 | 6 | 93 | 2 | 2 | 38.51% | −16.77% | |
8. Example Sentences | 35 | 41 | 10 | 74 | 2 | 3 | 47.50% | −31.87% | |
9. Root Affix Association | 37 | 29 | 12 | 80 | 4 | 3 | 41.77% | −25.95% | |
10. Picture Aided Memory | 37 | 13 | 5 | 103 | 4 | 3 | 31.65% | −11.39% | |
11. Video Aided Memory | 25 | 7 | 6 | 118 | 5 | 4 | 20.51% | −8.33% | |
12. Original Movie Sound | 36 | 12 | 5 | 106 | 5 | 1 | 30.19% | −10.69% | |
13. Write Words by Memory | 36 | 19 | 5 | 101 | 3 | 1 | 34.16% | −14.91% | |
14. British Pronunciation | 28 | 24 | 8 | 103 | 1 | 1 | 31.90% | −19.63% | |
15. American Pronunciation | 29 | 22 | 10 | 100 | 3 | 1 | 31.68% | −19.88% | |
16. Forgetting Curve | 47 | 26 | 8 | 80 | 3 | 1 | 45.34% | −21.12% | |
17. Derivative | 44 | 21 | 9 | 89 | 0 | 2 | 39.88% | −18.40% | |
18. Phrase | 46 | 21 | 9 | 84 | 3 | 2 | 41.88% | −18.75% | |
19. Word Group | 43 | 23 | 10 | 88 | 0 | 1 | 40.24% | −20.12% | |
20. Meaning Discrimination | 41 | 21 | 11 | 90 | 1 | 1 | 38.04% | −19.63% | |
21.Words Downloaded Offline | 42 | 22 | 13 | 85 | 2 | 1 | 39.51% | −21.60% | |
22. English Listening | 36 | 20 | 8 | 96 | 2 | 3 | 35.00% | −17.50% | |
23. Vocabulary Words for Free | 41 | 47 | 7 | 66 | 1 | 3 | 54.66% | −33.54% | |
24. Search for New Words | 35 | 37 | 13 | 78 | 1 | 1 | 44.17% | −30.67% | |
25. Listening Exercises | 42 | 30 | 11 | 81 | 0 | 1 | 43.90% | −25.00% | |
26. Text Translation | 44 | 32 | 13 | 74 | 1 | 1 | 46.63% | −27.61% | |
27. English Articles Reading | 36 | 22 | 9 | 95 | 1 | 2 | 35.80% | −19.14% | |
28. English Learning Videos | 27 | 17 | 7 | 110 | 3 | 1 | 27.33% | −14.91% | |
29. Past Exam Papers | 51 | 30 | 8 | 74 | 1 | 1 | 49.69% | −23.31% | |
Designability | 30. Simple Interface | 47 | 32 | 11 | 72 | 2 | 1 | 48.77% | −26.54% |
31. Word Lock Screen Wallpaper | 29 | 8 | 9 | 114 | 4 | 1 | 23.13% | −10.63% | |
32. APP Background Image | 26 | 6 | 8 | 119 | 5 | 1 | 20.13% | −8.81% | |
Motility | 33. Calendar Reminders | 33 | 18 | 8 | 103 | 1 | 2 | 31.48% | −16.05% |
34. Gold/Points Rewards | 27 | 10 | 7 | 115 | 4 | 2 | 23.27% | −10.69% | |
Personalization | 35. Import/Export Vocabulary Books | 42 | 20 | 8 | 93 | 1 | 1 | 38.04% | −17.18% |
36. Payment for Vocabulary | 3 | 2 | 0 | 95 | 62 | 3 | 5.00% | −2.00% | |
37. Membership System | 5 | 5 | 5 | 118 | 31 | 1 | 7.52% | −7.52% | |
38. Word Book | 36 | 39 | 9 | 77 | 2 | 2 | 46.58% | −29.81% | |
39. Dictionary | 45 | 25 | 9 | 83 | 2 | 1 | 43.21% | −20.99% |