Comparison

Readibu vs Math Bubble Pop

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

Math Bubble Pop

Features
Read full description

Math Bubble Pop makes learning math fun. Children practice math by popping bubbles with the correct numbers. Each round challenges players to think quickly while improving their number skills. Designed especially for children, the game combines colorful visuals, simple controls, and engaging gameplay to create a positive learning experience. Instead of traditional worksheets, kids learn through play. Every correct answer pops a bubble and helps them progress further in the game. Key Features • Fun bubble-popping gameplay • Practice basic math skills • Colorful and child-friendly design • Quick rounds that keep kids engaged • Encourages confidence with numbers Math Bubble Pop is perfect for short play sessions at home, during travel, or whenever children want a fun learning activity. The game is designed to be simple, safe, and focused on learning. Pop the bubbles, solve the math, and watch your skills grow!

Screenshots

Readibu4 screens
Math Bubble Pop4 screens

Verdict

The call

The clearest difference is price: Readibu at Free against Math Bubble Pop's $1.99. Readibu also leads on iOS requirement (13.0 vs 15.0). Math Bubble Pop's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 8 days). On 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

Readibu is free to download; Math Bubble Pop costs $1.99 up front. Readibu sells 3 in-app purchases, starting at $4.99 per month. Math Bubble Pop asks for nothing beyond the download.

UpkeepUpdate frequency

Readibu ships an update every 8 days, Math Bubble Pop every 3 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Readibu versus Math Bubble Pop: the parameters behind the verdict, then further details
ParameterReadibuMath Bubble Pop
PriceFree — better$1.99
Rating4.8 (158 ratings) — better—
Positive reviews91.9% of reviews—
Number of ratings158 — better—
Update frequencyEvery 8 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size88 MB140 MB
Age rating17+4+
DeveloperLingyi ChenCarl Magnus Swahn

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

Math Bubble Pop

No in-app purchases

Questions

Is Readibu free?
Readibu is free to download, with in-app purchases available.
Is Math Bubble Pop free?
Math Bubble Pop costs $1.99, with no in-app purchases.
Do Readibu or Math Bubble Pop have ads?
Neither Readibu nor Math Bubble Pop shows ads.
Which is updated more often, Readibu or Math Bubble Pop?
Readibu ships an update every 8 days, and Math Bubble Pop every 3 days. Most recently, Readibu was updated on October 23, 2026 and Math Bubble Pop on October 7, 2026.

Other comparisons