OneLine: Korean Grammar

Name: OneLine: Korean Grammar
Author: Frata Ltd

LiveFrata Ltd1 app · 10 installsEducationFreeIn-app purchases: $2.99 - $14.99 per itemapp.oneline.daily

Practise Korean grammar through writing, AI text chats and vocabulary exercises.

Alert me ★ Watch Open in Play ↗

Total installs: 10
Installs / day: 0
Rating: —★
Released: 24 Aug 2026
Last update: 14 Sept 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
Collects data Financial info
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

13 in 4 groups

5 Sensitive2 Notable6 Routine

What this app can do with your phone

Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage
Show its own windows or bubbles on top of other apps you are using

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE

OtherSensitive8

Access to miscellaneous device features that don't fit other categories

Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Put your Korean into practice. Learn useful Korean grammar, build vocabulary and use what you learn in your own writing and text conversations. OneLine brings lessons, examples and AI feedback together to help you express what you mean. LEARN A PATTERN, THEN USE IT Explore Korean grammar lessons with explanations and examples. Practise using patterns with sentence transformations, then try them in your own writing. WRITE ABOUT YOUR LIFE Start with a daily prompt and find useful words, patterns and example answers before you write. Express your own thoughts in Korean. AI coaching suggests more natural phrasing and explains grammar in English. PRACTISE REAL BACK-AND-FORTH Reply in Korean in a text conversation with Buddy, your AI coach. Get help as you chat, then review feedback from your conversation. BUILD VOCABULARY YOU CAN USE Save useful words and grammar patterns to revisit. Practise with fill-in-the-blank exercises and writing activities. Listen to Korean lesson examples as you learn. KEEP YOUR PRACTICE GOING See your completed writing and conversation practice on your calendar. Return to saved writing, words and patterns whenever you want to review. START FREE Explore lessons, examples, vocabulary and free practice activities. Writing, saving and your streak stay free. New accounts include 7 AI corrections for freeform writing and one introductory text conversation. ONELINE PRO Continue with AI corrections and text conversations, listen to your corrected writing, and get AI feedback on your own word and grammar practice. Pro is available as a monthly or annual subscription. Prices and any eligible offers are shown in the app. Subscriptions renew automatically unless cancelled through Google Play settings. Questions? [email protected] Terms: https://one-line.app/terms Privacy: https://one-line.app/privacy

What's new

More ways to put your Korean into practice. • Chat with Buddy, your AI coach, and get feedback during and after your text conversations. • Choose writing or conversation for your daily practice, including catch-up days. • Explore vocabulary, grammar and examples from a redesigned lesson hub before you practise.

Growing in Education

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