Comparison

BaOui vs ShadowFlow

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

Head to head
About

BaOui

Learn essential words and phrases in over 30 languages through fun, structured exercises. Ideal for travelers and professionals, it offers everyday conversations, vocabulary practice, and pronunciation help. Track your progress easily with this user-friendly tool.

Highlights
  • Learn 30+ languages
  • Everyday conversation dialogues
  • Vocabulary and phrase mastery
  • Pronunciation and grammar exercises
  • Progress tracking
  • Searchable vocabulary
Features
Read full description

Tired of random language lessons with no structure? Or searching endlessly for language exercises that fit practical everyday situations? Well, BaOui is the efficient app for YOU - and it’s free! If you’re an English, French, German, and/or Spanish speaker, you can use BaOui to learn essential words and phrases of over 30 languages through simple, fun, and easily accessible exercises. Its user-friendly and straight-forward approach is perfect for the traveling student or business professional – or anyone interested in learning a new language! Initially a French language learning app only, BaOui has now expanded to even more languages after great feedback and requests from our first users. Start practicing Chinese, Japanese, Portuguese, Tagalog, French, German, English, Spanish, and more today! New Features: For our English to French (and French to English) versions, additional theory exercises are available including verb tenses, articles, general grammar rules, grammatical exceptions, and so on. Each lesson will have its own set of exercises so you can instantly practice and review what you just learned. From audio examples of vowels and consonants to verb conjugation exercises, you will be able to build sentences on your own and pronounce them correctly! For our English, French, Spanish, and German language versions, read and listen to up to 100 everyday life conversations covering 50+ topics! Users will have the ability to instantly access their English, French, Spanish, or German translations while listening to dialogue from either of these four languages. If there are words in the audio that are unfamiliar to you, you can easily reveal their translations with just one click! You can replay the dialogue and click its translations as many times as needed. Users can also master over 4,500 essential words and phrases (including slang expressions) from each of these four languages through various interactive exercises – including high quality AI video exercises! Why BaOui? VOCABULARY AND PRACTICE We’ve gathered the most common words and sentences for all 30+ languages as they will be useful in daily conversations with locals! Whether you're a beginner or expert, BaOui was designed to ensure your learning experience continues to evolve and is always up to date with current lingo. All vocabulary and translations are also easily organized and searchable via our new search bar tool! Our fun and quick matching exercises are a hit with users! Learners must correctly match images to corresponding sounds and text, helping learners retain what they’ve practiced even further. Not only are BaOui exercises fun and intuitive, but they include high quality images and audio which significantly enhance the learning experience! Whether you practice daily or go at your own pace, you can easily track your progress with BaOui. All vocabulary is conveniently arranged by topic and level of importance. Whether you are at the airport, restaurant, gym, club, or hospital, BaOui will make sure you are prepared! Going on a date? No problem. You can easily access our “Romance, Dating” topic which includes the most common sentences and expressions used for these situations. With BaOui, you will have the most practical, concise words and phrases (even "taboo" terms) readily available at your fingertips! REVIEW Finally, the best part - review everything you've learned so far through one or all three of the following methods: Guess, Write, or Listen! This is easily BaOui's most fun and helpful section. Anytime, anywhere, you can practice everything you’ve learned so far from the app as often as you’d like or until you know it all by heart! You can also review any words and phrases you may have missed during exercises. Start your language learning journey with our free app today! Everything you learn from our free version will be accessible forever, whether you choose or not choose to unlock our full “BaOui Premium" membership. Happy learning!

About

ShadowFlow

Features
Read full description

ShadowFlow turns YouTube videos into living language lessons. ■ Watch with karaoke subtitles Subtitles highlight word by word in sync with the video, so you never lose your place. Tap any line to jump to that scene. ■ Tap any word you don't know The dictionary opens instantly. Save words with one tap — review them as flashcards, hear the pronunciation, and jump back to the exact scene where each word appeared. ■ Practice speaking with shadowing (MAX) Record your own voice line by line and compare with the original. With headphones, your voice plays in the right ear and the original in the left. Pronunciation scoring shows exactly which words didn't come through, and rhythm bars compare your timing with the original. ■ A shared pool of subtitles (Pro) Subtitles created by users are shared in a pool — once someone transcribes and fixes a video, everyone can learn from it. New subtitles are created on the desktop web version (kotomori.app/shadowflow). ■ Plans - Free: watch subtitles you created, word list - Pro: unlimited access to the shared subtitle pool + folders - MAX: everything in Pro + shadowing practice Available in English, Japanese, Spanish, Simplified Chinese, Korean, French, and German. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://kotomori.app/terms Privacy Policy: https://kotomori.app/privacy

Screenshots

BaOui4 screens
ShadowFlow4 screens

Verdict

The call

The clearest difference is ads: ShadowFlow at none against BaOui's shown. ShadowFlow also leads on update cadence (every 5 days vs fortnightly). BaOui's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases 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. BaOui sells 2 in-app purchases, starting at $4.99 per month and ShadowFlow sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

BaOui ships an update fortnightly, ShadowFlow every 5 days. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
BaOui versus ShadowFlow: the parameters behind the verdict, then further details
ParameterBaOuiShadowFlow
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size111 MB6 MB
Age rating12+17+
DeveloperBAOUI LLCDaichi Tanabe

In-app purchases

2 purchases

BaOui

Subscriptions2
  • 1 Month$4.991 Month
  • 1 Year$19.991 Year
4 purchases

ShadowFlow

Subscriptions4
  • ShadowFlow Pro (Monthly)7 Days trial$6.991 Month
  • ShadowFlow MAX (Monthly)7 Days trial$14.991 Month
  • ShadowFlow Pro (Yearly)7 Days trial$59.991 Year
Show 1 more
  • ShadowFlow MAX (Yearly)7 Days trial$129.991 Year

Questions

Is BaOui free?
BaOui is free to download, with in-app purchases available.
Is ShadowFlow free?
ShadowFlow is free to download, with in-app purchases available.
Do BaOui or ShadowFlow have ads?
BaOui shows ads; ShadowFlow does not.
Which is updated more often, BaOui or ShadowFlow?
BaOui ships an update fortnightly, and ShadowFlow every 5 days. Most recently, BaOui was updated on October 13, 2026 and ShadowFlow on September 28, 2026.

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