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DouDou Chinese: is it still online? | SaaS Outpost

April 2026 cohort / Education

DouDou Chinese

Online

doudou-chinese.com

Provides Mandarin-learning apps and browser tools for sentence patterns, tones, vocabulary, and pronunciation.

fbngrm/mandarin-sentence-audio
rspeer/wordfreq
Instagram

Status: Onlinesince Nov 5, 2026
First launched: Apr 29, 2026
Category: Education
Type: SaaS

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Education

Pricing

Not tracked yet

Domain

doudou-chinese.com

Last 30 days

100% of checks answered · median response 1,678 ms

Oct 8, 2026: Not checked
Oct 9, 2026: Not checked
Oct 10, 2026: Not checked
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Oct 31, 2026: Not checked
Nov 1, 2026: Not checked
Nov 2, 2026: Not checked
Nov 3, 2026: Not checked
Nov 4, 2026: Not checked
Nov 5, 2026: Online (1 of 1 checks answered)
Nov 6, 2026: Online (1 of 1 checks answered)

Oct 8, 2026

Online
Some checks failed
Down
Not checked

Today

Daily checks started Nov 5, 2026.

Domain and certificate

Registrar: NameCheap, Inc.
Registered: Nov 2, 2025 · 6 months before launch
Renewal due: Nov 2, 2027 · in 12 months
DNS: DigitalOcean
HTTPS certificate: valid to Dec 5, 2026 · 29 days left

Registration data for doudou-chinese.com from the registry's public RDAP service, looked up Nov 5, 2026.

History

Launched
Apr 29, 2026 · Launch announcement
Online
Nov 5, 2026 · online
Last checked Nov 6, 2026

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The April 2026 cohort

87%still running

of 1,168 checked products first launched that month (1,203 in all, the rest not checked yet).

Online: 1,016
Moved: 0
Having trouble: 145
Gone: 7

Education, same month: 88% of 75
Every product we track: 88% of 18,268

See the whole cohort →

Pricing history

We will record this product's plans and prices over time. Coming soon.

Oct 31, 2026

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Online

Provides free browser-based classical cipher tools and guides for learners and people exploring cryptography.

EducationOct 14, 2026

Guitoroguitoro.com

Online

A browser-based virtual guitar for playing songs, practicing chords, and learning strumming patterns.

EducationOct 13, 2026

BC

Binary Code Translatorbinarycodetranslator.org

Online

Converts text and binary in a browser, with options for number bases, QR codes, dot-matrix images, and signal tones.

EducationSep 29, 2026

Zhenzhuzhenzhu.app

Online

A macOS app that helps Chinese readers look up words, translate sentences, and save flashcards.

EducationSep 16, 2026