Horror — Kindle Category Opportunity
Competition snapshot for the Literature & Fiction best-seller list, ease-of-entry score 0.0/100.
Category metrics
Score
0.0
Median reviews
22,397.5
Weak share (top 20)
0%
Median price
$6.99
Median star rating
4.4
Books scanned
50
Worth writing in?
Horror 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 0.0/100.
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 |
|---|---|---|
| dungeon crawler carl | 2 | 97 |
| dark romantasy | 2 | 73 |
| spicy dark | 2 | 71 |
| dark academia | 2 | 38 |
| fantasy fated mates academy | 3 | 13 |
| fated mates academy romance | 3 | 13 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Literature & Fiction categories
12 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 71.5 | 64.5 |
| █████ | 43.0 | 243.5 |
| █████ | 42.0 | 709 |
| █████ | 41.0 | 1022 |
| █████ | 36.0 | 88 |
| █████ | 2.5 | 1770 |
| █████ | 2.5 | 1295.5 |
| █████ | 0.0 | 13845 |
| █████ | 0.0 | 5730 |
| █████ | 0.0 | 6185.5 |
| █████ | 0.0 | 3196.5 |
| █████ | 0.0 | 7584 |
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.