You can start free with Gemini (iPhone), Gemini (Galaxy), Claude (iPhone), Claude (Galaxy), ChatGPT (iPhone), ChatGPT (Galaxy), and Kanana. Free limits (usage caps, features, commercial use) differ by tool, so check the pricing section on each tool page.
AI Basics · Picks by Category
AI Apps (Mobile): Recommendations & Comparison
Snapping a photo to ask about it, recording and summarizing a meeting, or talking by voice is easier in a phone app. Even for the same AI, the features and install paths differ a little between iPhone and Galaxy.
7 tools7 free to start7 strong in Korean
COMPARE
At a Glance
Free availability, Korean support, and difficulty are based on each tool’s official information.
| Tool | Verdict | Free | Korean | Level |
|---|---|---|---|---|
| Gemini (iPhone) | Google AI on iPhone | Free tier | Excellent | Beginner |
| Gemini (Galaxy) | Google AI on Galaxy | Free tier | Excellent | Beginner |
| Claude (iPhone) | Claude on iPhone | Free tier | Excellent | Beginner |
| Claude (Galaxy) | Claude on Galaxy | Free tier | Excellent | Beginner |
| ChatGPT (iPhone) | ChatGPT on iPhone | Free tier | Excellent | Beginner |
| ChatGPT (Galaxy) | ChatGPT on Galaxy | Free tier | Excellent | Beginner |
| Kanana | AI assistant inside KakaoTalk | Free tier | Excellent | Beginner |
TOOLS
Browse by tool
Gemini (iPhone)Google's AI on iPhone
Tools we recommend first in coursesThe Gemini iPhone app puts Google’s AI assistant on your home screen and connects Gmail, Calendar, and Google Photos, so you can find and organize things on the go, all from your phone.
Best forPeople who use Google for work email and calendar
Free planStrong KoreanLearn more →
Gemini (Galaxy)Google AI on Galaxy
Tools we recommend first in coursesThe Gemini Galaxy app brings Google’s AI assistant to Android phones. If you agree during setup, it takes over as the phone’s default assistant, so a conversation starts the moment you press the home button.
Best forSales and field roles that use a Galaxy as their work phone
Free planStrong KoreanLearn more →
Claude (iPhone)Claude on iPhone
Tools we recommend first in coursesThe Claude iPhone app lets you keep reading, writing, and thinking on the go, with the same account you use on desktop. Speak to it and it transcribes and organizes what you say.
Best forPeople who like to capture their thoughts by voice on the go
Free planStrong KoreanLearn more →
Claude (Galaxy)Claude on Galaxy
Tools we recommend first in coursesThe Claude Galaxy app lets you pick up your reading and writing on your phone with the same account you use on desktop. Its Play Store disclosure says the app requires no permissions, which stands out.
Best forPeople who have hesitated to install work apps because of permissions
Free planStrong KoreanLearn more →
ChatGPT (iPhone)ChatGPT on iPhone
The ChatGPT iPhone app combines photo questions and voice conversation in one app, making it the most familiar way to ask about whatever is in front of you when you are away from your desk.
Best forField and store roles that often snap a photo and ask about what’s in front of them
Free planStrong KoreanLearn more →
ChatGPT (Galaxy)ChatGPT on Galaxy
The ChatGPT Galaxy app packs photo and voice questions into one app and is the most widely installed AI app here, though its Play Store listing carries a “Contains ads” label.
Best forPeople who want to start right away with an app already on their phone
Free planStrong KoreanLearn more →
KananaAI that helps inside KakaoTalk
Tools we recommend first in coursesKanana is Kakao’s AI inside KakaoTalk. It keeps track of schedules mentioned in your chats without being asked, speaks up first when it’s useful, and Kakao says the original chat text is processed on your device.
Best forPeople whose work communication happens in messaging apps
Free planStrong KoreanLearn more →
CRITERIA
How we chose
We looked at install paths by device, voice and camera features, and whether chat history syncs with desktop. Yellow marks tools we recommend first in Nanum Consulting courses.
CATEGORY
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FAQ
Korean support was rated “Excellent” for Gemini (iPhone), Gemini (Galaxy), Claude (iPhone), Claude (Galaxy), ChatGPT (iPhone), ChatGPT (Galaxy), and Kanana.
The tools we recommend first in Nanum Consulting courses are Gemini (iPhone), Gemini (Galaxy), Claude (iPhone), Claude (Galaxy), and Kanana. It’s faster to pick one, use it on real work for about two weeks, and then compare it with the others.
Tools differ in whether your input is used for training and in what changes on business plans. Check the “Is it safe to use at work?” section on each tool’s page, and as a rule don’t enter data such as customer personal information or contract amounts.
Last updated 22 Sep 2026 · Free-plan availability, pricing, and terms are the values confirmed on each tool’s official page. Ratings are based on John Kim, CEO of Nanum Consulting, using these tools firsthand in training sessions and real work.
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