WordPress theme comparison
Index Of vs Twenty Twenty-One

Index Of
by Kobayashi Sharyo Co., Ltd.
Fewer than 10 installs

Twenty Twenty-One
by WordPress.org
200K+ installs4.2
At a glance
- Twenty Twenty-One has more active installs: 200K+, against fewer than 10 for Index Of.
- On a typical day, Twenty Twenty-One is downloaded about 10,717 times, Index Of about 1.
- Index Of has no reviews yet.
- Twenty Twenty-One was updated more recently: Aug 19, 2026, against Aug 18, 2026 for Index Of.
- Twenty Twenty-One has been around longer: since 2020, against 2026 for Index Of.
Line by line
Twenty Twenty-One leads on 4 of 4 comparable lines.
| Metric | Index Of | Twenty Twenty-One |
|---|---|---|
| Popular rank | #8,739 | #12 |
| Active installs | Fewer than 10 | 200K+ |
| Downloads, last 30 days | 16 | 303.4K |
| Rating | No ratings | 4.2(44) |
| Last release | 2 months ago | 2 months ago |
| Requires PHP | 7.4 | 5.6 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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