Comparison

Readibu vs Modu

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

Head to head
About

Readibu

Access a vast library of Chinese web novels, short stories, and children's tales. Enhance your learning with integrated dictionary lookups, text-to-speech, and pinyin display. Premium features offer advanced tools like sentence translation and offline reading for an immersive language learning experience.

Highlights
  • Explore Chinese web novels
  • Tap for character definitions
  • Reader mode for web pages
  • Pinyin/zhuyin display
  • Text-to-speech
  • Offline reading (Premium)
  • Sentence translation (Premium)
Features
Read full description

Discover new stories and worlds in Chinese! Ready to move beyond flashcards and graded readers? Readibu is your portal to the world of popular Chinese web novels, short stories and children stories enjoyed by native readers — or bring your own books and read them the same way. From historical to sci-fi or romance to horror, there's always something good to read. Readibu is a Chinese reading app where you can: 1. Explore popular web novels, short stories, and children stories from native Chinese sites — browse by ranking, category, or search 2. Import your own EPUB, PDF, or TXT files and read them alongside your web library 3. Tap on characters for definitions 4. Open web pages in a reader for immersive reading 5. Absorb the language while you're immersed in gripping adventures Supported features: • Tap for dictionary • Text-to-speech • Simplified and traditional conversion • Pinyin/zhuyin display over words • Add custom url to display in reader • Import EPUB, PDF, and TXT files into your library • Organize your reading with collections, bookmarks, and history • Check the difficulty of any text with HSK-level breakdowns • Look up words in Pleco, MDBG, Yellow Bridge, Baidu Translate, and more • Export saved vocabularies • Auto-detect next chapter • Auto-save last page you were on • Back up and restore your library and vocabulary ================================ ENHANCE YOUR READING EXPERIENCE WITH READIBU PREMIUM • Cloud sync - Sync subscription, library, bookmarks, vocabs and reading progress between devices • Sentence Translation - Unlimited translation by Google Translate • Image Search - Display image search results for selected text • Offline Reading - Download pages for reading offline • Quiz Mode - Quiz your pinyin, tones, and definitions of words you looked up before • Smart Name Recognition - Detect names of people, orgs and places in content • Syntax Analysis - Analyze syntax of sentence Free trials included with all plans! 1-month subscription: $4.99 per month 3-month subscription: $9.99 per month 12-month subscription: $47.99 per year Payment will be charged to iTunes Account at the end of your free trial period. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current billing period or trial. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel subscriptions in your Itunes Account settings. Privacy Policy: https://www.readibu.com/privacy Terms & Conditions: https://www.readibu.com/terms Have questions? Feel free to contact us at support@readibu.com.

About

Modu

Features
Read full description

Read Chinese stories, understand unfamiliar words, and build vocabulary from what you read. Modu combines graded reading, a tap-to-lookup dictionary, and spaced-repetition review in one app. Choose a graded story or import your own EPUB and TXT books. Tap unfamiliar words for pinyin and meanings, save vocabulary in context, and review it later. READ WHAT INTERESTS YOU • Explore a library of graded retellings of public-domain stories. • Import EPUB and TXT books to read with built-in learning tools. • Generate AI stories based on your selected topic and level, with vocabulary you are due to review. • Follow RSS feeds. Available article text depends on the source; some feeds provide summaries only. UNDERSTAND AS YOU READ • Tap words for pinyin, meanings, and measure words. • Use AI explanations to explore a word in the context of a sentence. • Translate sentences and paragraphs into English on your device, or read with a bilingual chapter view. • Listen to text with read-aloud tools. REMEMBER WORDS IN CONTEXT • Save vocabulary from your reading and review it with spaced-repetition flashcards. • Mark words as known to focus highlighting on unfamiliar vocabulary. • Track your reading and vocabulary progress, and export your vocabulary. OFFLINE READING AND YOUR ACCOUNT Read and save books on your device as a guest, without creating an account. Books already on your device and core reading tools work offline. On-device translation requires an initial language-model download. AI features and natural online voices require an internet connection. Sign in to back up your vocabulary. Modu Plus also syncs reading progress and other learning data across devices. Imported book files remain on your device; import the same books on another device to continue reading there. FREE + MODU PLUS Free features include reading, dictionary lookup, on-device translation, bilingual reading, vocabulary review, book imports, RSS, the story library, and basic read-aloud. Limited AI explanations and story generation are included. Modu Plus adds higher AI usage allowances, natural multi-voice read-aloud, and additional learning-data sync. AI and natural-voice usage limits apply. See the in-app purchase screen for available plans and current allowances. Start with a story, and build your Chinese one reading session at a time. Terms of Use (EULA): https://modu-ai-proxy.zhouxuehan101.workers.dev/terms Privacy Policy: https://modu-ai-proxy.zhouxuehan101.workers.dev/privacy

Screenshots

Readibu4 screens
Modu4 screens

Verdict

The call

The clearest difference is in-app purchases: Modu at none against Readibu's 3. Readibu's advantage is iOS requirement (13.0 vs 15.5). On price, update cadence, ads and device support 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. Readibu sells 3 in-app purchases, starting at $4.99 per month. Modu asks for nothing beyond the download.

UpkeepUpdate frequency

Readibu ships an update every 8 days, Modu weekly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Readibu versus Modu: the parameters behind the verdict, then further details
ParameterReadibuModu
PriceFreeFree
Rating4.8 (159 ratings) — better—
Positive reviews91.9% of reviews—
Number of ratings159 — better—
Update frequencyEvery 8 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size88 MB153 MB
Age rating17+4+
DeveloperLingyi Chen雪寒 周

In-app purchases

3 purchases

Readibu

Subscriptions3
  • Readibu Monthly Premium14 Days trial$4.991 Month
  • Readibu 3-Month Premium14 Days trial$9.993 Months
  • Readibu Yearly Premium14 Days trial$47.991 Year
None

Modu

No in-app purchases

Questions

Is Readibu free?
Readibu is free to download, with in-app purchases available.
Is Modu free?
Modu is free to download, with no in-app purchases.
Do Readibu or Modu have ads?
Neither Readibu nor Modu shows ads.
Which is updated more often, Readibu or Modu?
Readibu ships an update every 8 days, and Modu weekly. Most recently, Readibu was updated on October 29, 2026 and Modu on October 31, 2026.

Other comparisons