Comparison

EchoRead vs 什么?

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EchoRead

This app transforms reading highlights into visual mind maps and uses AI with the Feynman learning method to deepen understanding. It helps organize notes from various sources, connect ideas, and create personalized learning experiences like reading podcasts and summaries.

Highlights
  • Convert highlights to mind maps
  • AI-powered Q&A and note linking
  • Automatic idea connections
  • Feynman learning modes
  • Generate reading podcasts
  • Create structured summaries
  • Card notes with cross-linking
Read full description

Turn your book highlights into visual mind maps — powered by AI. EchoRead transforms how you read, think, and remember. Import highlights from Kindle, WeRead, and PDFs, then watch AI organize them into beautiful mind maps. With the Feynman learning method built in, you don’t just collect notes — you truly understand them. Rated 4.88 on the App Store --- HIGHLIGHTS TO MIND MAPS, INSTANTLY Import reading highlights from Kindle, WeRead (微信读书), and PDFs. EchoRead’s AI automatically structures them into clear, visual mind maps — no manual organizing needed. See the big picture of any book at a glance. LEARN DEEPER WITH THE FEYNMAN METHOD Go beyond passive highlighting with three AI-powered learning modes: - Concept Learning — Break down complex ideas into simple explanations - Reading Partner — Discuss books with an AI companion - Quiz Me — Test your understanding and strengthen recall DISCOVER HIDDEN CONNECTIONS EchoRead automatically finds related notes across all your books using deep learning. See how ideas from different authors connect — without lifting a finger. TURN YOUR NOTES INTO PODCASTS Transform your book highlights and reflections into engaging, conversational podcasts. Listen to your reading insights on the go — a feature no other reading app offers. CAPTURE EVERY INSIGHT - Sentence Analysis — Annotate any highlight with AI-powered Q&A - Card Notes — Record quick ideas with automatic cross-book linking - Personal Summaries — Write chapter-level and book-level reflections - Full Book Notes — Generate complete mind map or document summaries --- IMPORT FROM YOUR FAVORITE PLATFORMS - Amazon Kindle highlights - WeRead (微信读书) - PDF highlights & annotations - XMIND mind maps - Manual input --- BUILT FOR READERS WHO WANT TO REMEMBER Most reading apps help you collect highlights. EchoRead helps you understand them. From highlight to mind map to deep learning — EchoRead closes the loop between reading and true knowledge. Start for free. Download EchoRead and import your first book today. --- Subscription Information: - Payment: Your iTunes account will be charged after purchase confirmation. - Cancellation: Turn off auto-renewal at least 24 hours before the current period ends to avoid being charged. - Renewal: Your account will be charged within 24 hours before the period ends for renewal.

About

什么?

This app offers a minimalist card-based interface for exploring knowledge. It uses AI to generate personalized content based on your interactions, allowing for seamless follow-up questions and a unique learning journey.

Highlights
  • Minimalist card interface
  • Personalized AI content generation
  • Swipe to switch topics
  • Highlight text for AI follow-up questions
  • Frictionless exploration
Read full description

【极简卡片流】内容以极简卡片形式展现,左右滑动即可切换主题,界面清爽专注,探索更纯粹。 【专属内容生成】根据你的行为、偏好和每一次划取、滑动,实时为你生成独一无二的文章和图文,让每一次探索都贴合你的真实好奇。 【无摩擦探索】首创“划取追问”,在阅读时只需划取文字,AI即为你延展解答,无需中断,无需跳转,思维自然延伸。 在“什么?”,你永远是探索的主角。AI,是你的隐形助手,为每一次提问和思考提供即时、精准的内容支持。告别信息茧房,让好奇心得到最大释放,开启专属于你的内容世界!体验全新知识探索之旅! 【找我们玩】 小红书: @什么APP-唯识无境

Screenshots

EchoRead4 screens
什么?4 screens

Verdict

The call

The clearest difference is in-app purchases: 什么? at none against EchoRead's 8. EchoRead's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On price and rating there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. EchoRead sells 8 in-app purchases, starting at $4.99 per month. 什么? asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for EchoRead against 5.0 for 什么?. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

EchoRead ships an update weekly, 什么? fortnightly. The most recent releases landed on July 6, 2026 and September 14, 2026 respectively.

Scorecard7 real differences · 3 level
EchoRead versus 什么?: the parameters behind the verdict, then further details
ParameterEchoRead什么?
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyWeekly — betterFortnightly
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size68 MB8 MB
Age rating4+12+
DeveloperWei Lai Zhi Tu Tech Inc唯识无境科技(深圳)有限责任公司/Weishi Wujing Technology (shenzhen) Co., Ltd

Customer experience

EchoRead

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

什么?

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

8 purchases

EchoRead

Subscriptions6
  • 1 Month Membership$4.991 Month
  • 1 Month Pro Member$8.991 Month
  • 3 Month Membership$12.993 Months
Show 3 more
  • 3 Month Pro Membership$25.993 Months
  • 1 Year Memebership$49.991 Year
  • 1 year Pro Member$89.991 Year
One-time2
  • Quota package$2.99
  • 100 Import Quota$8.99
None

什么?

No in-app purchases

Questions

Is EchoRead free?
EchoRead is free to download, with in-app purchases available.
Is 什么? free?
什么? is free to download, with no in-app purchases.
Which has better reviews, EchoRead or 什么??
EchoRead and 什么? are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do EchoRead or 什么? have ads?
什么? shows ads; EchoRead does not.
Which is updated more often, EchoRead or 什么??
EchoRead ships an update weekly, and 什么? fortnightly. Most recently, EchoRead was updated on July 6, 2026 and 什么? on September 14, 2026.

Other comparisons