LangNote AI vs Aoo
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
LangNote AI
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LangNote AI turns your real language lessons into a complete study set β automatically. Snap a photo of your worksheet, record your class, or upload a PDF or screenshot. LangNote's AI reads it and organizes everything into five ways to study: β’ Today's Dictation β listen and type to train your ear β’ Grammar β key patterns explained with examples β’ Vocabulary β the words that actually came up in your lesson β’ Role-play β practice real conversations, by text or voice β’ Quiz β check what stuck Then LangNote reminds you to review at the perfect moment using spaced repetition, so words and grammar move into long-term memory instead of being forgotten. WHY LANGNOTE β’ Learn from YOUR material β not generic textbook content β’ Photos, voice, PDFs, and screenshots all supported β’ Tap any word to see its meaning instantly β’ Track your streak, vocabulary, and progress β’ Supports studying English, Korean, Japanese, Chinese, Spanish, French, and more Whether you're in a classroom, self-studying, or reviewing on the go, LangNote makes sure nothing you learn slips away. Start free. Upgrade to Pro for unlimited study sets, full grammar and role-play access, pronunciation scoring, and spaced-repetition review. Terms of Use (EULA): https://langnote.app/terms Privacy Policy: https://langnote.app/privacy
Aoo
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Learn languages with content you love. From YouTube videos and podcasts to your own MP3 files, Aoo turns the content you enjoy into your own language-learning material. Use subtitles and translations to understand the meaning, then listen and repeat one sentence at a time. β Shadowing in the language you want to learn Try English shadowing, Korean shadowing or Japanese shadowing with your favorite content. You can also practice listening and speaking with audio in Chinese, Spanish and French. β Turn videos and audio into learning material Start with a topic that interests you or a speaker you enjoy. Use videos, podcasts and MP3 files to practice one sentence at a time, as often as you need. β Follow along with subtitles and translations Check subtitles when you cannot catch a sentence, and translations when an expression is hard to understand. Follow the original text and its meaning together. β Listen and speak at your own pace Listen, repeat aloud and play back your recorded voice. Slow down fast sentences and repeat difficult passages to get familiar with pronunciation and rhythm. β Listen closely with dictation Choose the words you hear to complete a sentence. Notice words you might otherwise miss and give each sentence your full attention. Start with one sentence from content you love. Listen, repeat and make it your own with Aoo. Note: Subtitle and translation availability may vary depending on the content and your setup. β Shadowing, listening and speaking in 6 languages Practice English, Korean, Chinese, Japanese, Spanish and French with content you enjoy. Build a routine with sentence-by-sentence listening, shadowing and speaking practice. Start English shadowing at your own pace. β Official website https://shadowing.aoo.kr/ EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Aoo at none against LangNote AI's 2. Aoo also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.0). LangNote AI's advantage is ads (none vs shown). On price there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. LangNote AI sells 2 in-app purchases, starting at $10.00 per month. Aoo asks for nothing beyond the download.
| Parameter | LangNote AI | Aoo |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 3 days |
| Ads | No β better | Yes |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.5 β better |
| Further details β not scored | ||
| Size | 91 MB | 126 MB |
| Age rating | 4+ | 12+ |
| Developer | JAEYEON JO | BrainCheck |
In-app purchases
LangNote AI
- LangNote Pro7 Days trial$10.001 Month
- LangNote Pro (Yearly)7 Days trial$96.001 Year
Aoo
No in-app purchases





