Religious Studies & Reference — Kindle Category Opportunity
Competition snapshot for the Religion & Spirituality best-seller list, ease-of-entry score 37.5/100.
Category metrics
Score
37.5
Median reviews
1,208
Weak share (top 20)
15%
Median price
$2.99
Median star rating
4.7
Books scanned
50
Worth writing in?
Religious Studies & Reference is between the extremes: 15% of the top 20 is under 100 reviews against a median of 1208, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Ease-of-entry score 37.5/100.
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 |
|---|---|---|
| everyday life | 2 | 83 |
| ethiopian bible | 2 | 62 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Religion & Spirituality categories
23 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 75.0 | 26.5 |
| █████ | 65.0 | 49.5 |
| █████ | 59.5 | 36 |
| █████ | 58.0 | 163 |
| █████ | 55.0 | 27.5 |
| █████ | 53.5 | 58 |
| █████ | 46.0 | 152 |
| █████ | 44.5 | 396 |
| █████ | 44.5 | 53.5 |
| █████ | 43.5 | 189 |
| █████ | 42.5 | 409 |
| █████ | 42.5 | 71.5 |
| █████ | 41.0 | 96.5 |
| █████ | 40.0 | 794 |
| █████ | 37.5 | 440 |
| █████ | 37.5 | 748 |
| █████ | 37.5 | 529.5 |
| █████ | 35.0 | 378.5 |
| █████ | 16.0 | 384 |
| █████ | 8.5 | 171 |
| █████ | 7.0 | 462.5 |
| █████ | 2.5 | 634 |
| █████ | 0.0 | 678.5 |
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.