Portuguese — Kindle Category Opportunity
Competition snapshot for the Foreign Languages best-seller list, ease-of-entry score 39.5/100.
Category metrics
Score
39.5
Median reviews
2,331
Weak share (top 20)
15%
Median price
$2.99
Median star rating
4.7
Books scanned
50
Worth writing in?
Portuguese is between the extremes: 15% of the top 20 is under 100 reviews against a median of 2331, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Ease-of-entry score 39.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 1 | Dele por Dever: Prometida por Contrato ao Médico Sombrio (Magnatas Irresistíveis Livro 2) (Portuguese Edition) | 5.0 | 3 | $0.99 |
| 7 | STELLA: A Conselheira da Máfia (Herdeiros Zampieri Livro 5) (Portuguese Edition) | 4.8 | 82 | $2.99 |
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 |
|---|---|---|
| vers original | 2 | 57 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Foreign Languages categories
30 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 85.5 | 1 |
| █████ | 77.5 | 0 |
| █████ | 75.5 | 29.5 |
| █████ | 75.0 | 0 |
| █████ | 70.0 | 0.5 |
| █████ | 68.0 | 14.5 |
| █████ | 65.5 | 11.5 |
| █████ | 65.0 | 10.5 |
| █████ | 64.0 | 26 |
| █████ | 61.5 | 85 |
| █████ | 60.5 | 120 |
| █████ | 57.0 | 1009 |
| █████ | 55.5 | 199.5 |
| █████ | 54.0 | 23.5 |
| █████ | 53.5 | 99 |
| █████ | 50.5 | 248 |
| █████ | 50.0 | 189 |
| █████ | 49.5 | 322 |
| █████ | 49.0 | 1724.5 |
| █████ | 47.0 | 742 |
| █████ | 47.0 | 718 |
| █████ | 46.0 | 275 |
| █████ | 46.0 | 213 |
| █████ | 46.0 | 212.5 |
| █████ | 45.5 | 226.5 |
| █████ | 42.0 | 794.5 |
| █████ | 37.5 | 1461.5 |
| █████ | 37.5 | 198.5 |
| █████ | 32.5 | 1962.5 |
| █████ | 5.0 | 1818 |
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.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.