Erotica — Kindle Category Opportunity
Competition snapshot for the Literature & Fiction best-seller list, ease-of-entry score 2.5/100.
Category metrics
Score
2.5
Median reviews
13,113.5
Weak share (top 20)
5%
Median price
$3.99
Median star rating
4.3
Books scanned
50
Worth writing in?
Erotica is heavily defended: incumbents are deep-reviewed and the top 20 rarely cracks. New releases can still chart with ads or a launch push, but expect to climb over established authors rather than around them. Ease-of-entry score 2.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on AmazonNo breakout books in this category.
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| dark taboo romance | 2 | 88 |
| dark college | 2 | 85 |
| hockey romance | 2 | 72 |
| kinky abc anthology | 2 | 68 |
| erotica short | 4 | 54 |
| free use | 2 | 50 |
| dark revenge romance | 2 | 39 |
| age gap | 2 | 30 |
| omegaverse reverse harem romance | 2 | 21 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Literature & Fiction categories
17 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 79.0 | 16 |
| █████ | 63.0 | 61 |
| █████ | 60.5 | 121 |
| █████ | 57.5 | 100 |
| █████ | 54.0 | 105 |
| █████ | 54.0 | 209.5 |
| █████ | 46.5 | 103.5 |
| █████ | 44.5 | 838.5 |
| █████ | 44.0 | 1192 |
| █████ | 42.0 | 436.5 |
| █████ | 41.0 | 2570.5 |
| █████ | 22.5 | 265 |
| █████ | 16.5 | 456.5 |
| █████ | 6.0 | 1280.5 |
| █████ | 5.0 | 1021 |
| █████ | 2.5 | 5510.5 |
| █████ | 0.0 | 5648.5 |
Subcategory names are visible after sign-in — a free account unlocks every subcategory score.
Sign up free to unlockCheck the keywords before you write
Category scores show where entry is easiest; keyword lookups show whether readers actually reach for it. A free account includes keyword competition lookups plus unlimited category scans.
After you publish: why aren't readers buying?
Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.
Keep researching with the free tools
Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.