Side-by-side comparison
| Metric | Custom HTML Block Extension | Spectra Legacy – Gutenberg Blocks |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.7 ★ |
| Total reviews | 13 | ★ 1.9k |
| Active installs | 7,000+ | 1,000,000+ |
| Free plan | — | — |
Custom HTML Block Extension and Spectra Legacy each lead on different measured dimensions — pick by the one that matters most to you.
Built only from the WordPress Plugin Directory listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: Custom HTML Block Extension audit • Spectra Legacy – Gutenberg Blocks audit
| Field | Custom HTML Block Extension | Spectra Legacy – Gutenberg Blocks |
|---|---|---|
| Platforms | ||
| Developer |
| Keyword | Custom HTML Block Extension | Spectra Legacy – Gutenberg Blocks |
|---|---|---|
| online form | Not ranked | #18 |
| online forms | Not ranked | #21 |
| faq | Not ranked | #34 |
Custom HTML Block Extension has the higher average rating (5.0★ from 13 reviews) compared to Spectra Legacy – Gutenberg Blocks (4.7★ from 1,872 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Custom HTML Block Extension holds the higher average rating (5.0★ vs 4.7★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the WordPress Plugin Directory. AppRanks doesn't measure setup time directly; Spectra Legacy – Gutenberg Blocks has more published reviews to read for user-reported install experience (1,872 vs 13).
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the WordPress Plugin Directory data. What it can show: Custom HTML Block Extension has 13 published reviews; Spectra Legacy – Gutenberg Blocks has 1,872 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. Custom HTML Block Extension and Spectra Legacy – Gutenberg Blocks both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Custom HTML Block Extension" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.