Duolingo实验史:从失败到成功的产品进化

18 min

揭秘Duolingo如何通过无数次A/B测试,从差点毁掉自己的功能失误中学习,最终打造出让全球用户上瘾的语言学习应用。

Duolingo实验史:从失败到成功的产品进化

How This Personalized Podcast Was Made

This podcast was created using BeFreed's AI, based on selected books, the creator's learning goals, and their preferred tone.

Hooked
/ B Testing
Product Operations
Build
Start at the End
Fluent forever
star
Input question

duolingo app的演进史,哪些功能被砍掉了?他们测试了什么?哪些留下了

Podcast Style
Niaplay
Milesplay

More like this

podcast cover
10 Language Learning Methods Ranked by Science — LearnablesHow to Study a Foreign Language: Science-Backed Methods That Actually Work – AthenifyLearning techniques for Language Learning as an adult - Cognition TodayThe Best Language Learning Apps in 2026 (Honest Review) — Learnables
7 sources
Language Learning: Beyond the Streak
podcast cover
Fluent In 3 MonthsFluent ForeverThe LinguistThe Language Instinct
14 sources
The Language Learning Truth
podcast cover
Come imparare una lingua straniera da zero: metodi e consigli7 consigli per studiare in autonomia una lingua straniera - Step by Step LingueCome Imparare una Lingua in 90 Giorni: La Roadmap Completa che Funziona Davvero - LegeoChatGPT per Studiare: Come Usarlo Bene Senza Barare (2026) -
8 sources
Imparare le lingue da autodidatti
podcast cover
Fluent forever如何高效学习英语?一套科学方法助你从入门到精通如何高效学英语-百度经验颠覆认知:自学英语的科学路径与AI时代的效率革命
6 sources
英语自学的六个月魔咒
podcast cover
Come imparare una lingua straniera da zero: metodi e consigli7 consigli per studiare in autonomia una lingua straniera - Step by Step LingueCome Imparare una Lingua in 90 Giorni: La Roadmap Completa che Funziona Davvero - LegeoCome migliorare il mio inglese nel 2026: Metodi efficaci
7 sources
Imparare le lingue senza il dono naturale
podcast cover
All about pivoting : YC Startup Library | Y CombinatorYC's Group Partners share their favorite pivot storiesTarpit Ideas: The Sequel  : YC Startup Library | Y CombinatorAvoid These Tempting Startup Ideas | Y Combinator Transcripts
6 sources
创业转型:敢于改变主意
book cover
Productive Failure
Manu Kapur
book cover
Fluent forever
Gabriel Wyner

From Columbia University alumni built in San Francisco

BeFreed Brings Together A Global Community Of 200,000+ Curious Minds

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
star
star
star
star
star

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments
96
likes
4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
star
star
star
star
star

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments
201
thumbsUp
16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
star
star
star
star
star

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments
37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
star
star
star
star
star

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
star
star
star
star
star

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments
96
likes
4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
star
star
star
star
star

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments
201
thumbsUp
16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
star
star
star
star
star

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments
37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
star
star
star
star
star

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
star
star
star
star
star

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments
96
likes
4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
star
star
star
star
star

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments
201
thumbsUp
16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
star
star
star
star
star

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments
37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
star
star
star
star
star
Start your learning journey, now