Polyamory — Kindle Category Opportunity
Competition snapshot for the Romance best-seller list, ease-of-entry score 0.0/100.
Category metrics
Score
0.0
Median reviews
1,275.5
Weak share (top 20)
0%
Median price
$4.99
Median star rating
4.3
Books scanned
50
Worth writing in?
Polyamory 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 |
|---|---|---|
| reverse harem | 11 | 347 |
| choose romance | 8 | 221 |
| academy romance | 7 | 210 |
| dark why choose romance | 5 | 127 |
| harem shifter academy romance | 3 | 124 |
| reverse harem shifter academy | 3 | 124 |
| omegaverse romance | 4 | 121 |
| mafia reverse harem | 3 | 91 |
| fantasy fated mates academy | 3 | 77 |
| fated mates academy romance | 3 | 77 |
| contemporary reverse harem romance | 2 | 75 |
| fantasy romance | 2 | 54 |
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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.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.