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9und1.de: 12 Best Alternatives
If 9und1.de isn't a perfect fit — too pricey, hard to reach from mainland China, or you just want to compare — here are the top-rated Education alternatives, each annotated with how it differs from 9und1.de.
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9und1.de
9und1.de — top competitors AI-identified
Real competitors identified from our in-depth analysis of 9und1.de (those in our directory are clickable):
Khan Academy Kids Anton App IXL 国内小学数学练习册/校内同步练习平台
1
I
imgmath.com
小学数学 · South Korea
Better accessibility from mainland China
Better CNHigher rated
2
3blue1brown.com
数学教育视频 · United States
Better accessibility from mainland China
Better CNHigher rated
3
eloquentjavascript.net
Programming Book · United States
Better accessibility from mainland China
Better CNHigher rated
4
C
cs61a.org
编程公开课 · United States
Better accessibility from mainland China
Better CNHigher rated
5
pragprog.com
编程书籍 · United States
Better accessibility from mainland China
Better CNHigher rated
6
P
pragmaticbookshelf.com
程序员技术书籍 · United States
Better accessibility from mainland China
Better CNHigher rated
7
P
pragmaticbookshelf.info
程序员电子书 · United States
Better accessibility from mainland China
Better CNHigher rated
8
P
pragmaticbookshelf.org
程序员电子书 · United States
Better accessibility from mainland China
Better CNHigher rated
9
P
pragmaticprogrammer.com
程序员电子书 · United States
Better accessibility from mainland China
Better CNHigher rated
10
P
pragmaticprogrammers.com
程序员电子书 · United States
Better accessibility from mainland China
Better CNHigher rated
11
rareskills.io
Web3 Bootcamp · United States
Better accessibility from mainland China
Better CNHigher rated
At-a-glance comparison
9und1.de vs alternatives| Provider | Rating | From | CN | Refund | Region |
|---|---|---|---|---|---|
|
9 9und1.de Your pick |
5.0 | Price N/A | — | Germany | |
|
I imgmath.com |
6.0 | Price N/A | — | South Korea | |
|
3blue1brown.com |
9.9 | Price N/A | — | United States | |
|
eloquentjavascript.net |
9.9 | Price N/A | — | United States | |
|
C cs61a.org |
9.9 | Price N/A | — | United States | |
|
pragprog.com |
9.0 | $22.95/mo | — | United States | |
|
P pragmaticbookshelf.com |
9.0 | $31.95/mo | — | United States | |
|
P pragmaticbookshelf.info |
9.0 | $31.95/mo | — | United States | |
|
P pragmaticbookshelf.org |
9.0 | $31.95/mo | — | United States | |
|
P pragmaticprogrammer.com |
9.0 | $31.95/mo | — | United States | |
|
P pragmaticprogrammers.com |
9.0 | $31.95/mo | — | United States | |
|
rareskills.io |
9.0 | $1,950.00/mo | — | United States | |
 ostep.org |
9.0 | Price N/A | — | United States |
Recommendations are based on public ratings and field comparisons, not purchase advice; prices per the official site. Some links are affiliate (rel="sponsored"). For side-by-side comparison see the comparison tool; the full Education list is in the directory.