KORA vs Threadline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KORA
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KORA is a subway guide for anyone visiting Korea. Choose your starting station and destination, and KORA shows the transfers, number of stops, estimated time, and which direction to board, exactly as the train's destination sign reads. While you ride, it follows your current station and tells you when to get off. YOUR STATION, FOUND FOR YOU Find the nearest station with GPS or pick one yourself. KORA remembers it the next time you open the app. ROUTE AND BOARDING DIRECTION See transfers, stops and estimated travel time, plus the train to take, shown just like its destination sign. CHECK THE DIRECTION WITH YOUR CAMERA Point your camera at the platform sign or the train's destination display and KORA tells you right away whether it's the right way. Text recognition happens entirely on your iPhone. KNOW WHERE YOU ARE KORA combines Seoul's real-time arrival data, GPS, the accelerometer (to sense departures and stops) and on-device recognition of the in-train announcements to track your current station. It even tells you which side the doors will open. STOP ALERTS As your stop approaches you get "Prepare to get off", then "Get off now", with haptics. A progress diagram shows the train and a pin on your destination. LOCK SCREEN AND DYNAMIC ISLAND A Live Activity keeps your ride progress visible without unlocking your phone. APPLE WATCH While you ride, the stops left to your station show large on your wrist, and your watch taps you one stop before you get off. It keeps counting on its own even with your iPhone in your pocket. You can also put the stops left on your watch face. 23 LANGUAGES Use the whole app in 23 languages, including English, Japanese, Chinese, German, French, Spanish, Thai and Vietnamese. It starts in your phone's language. Station names always show the Korean original next to katakana, Chinese characters or the romanized spelling printed on Korean station signs, so you can match them on the platform. COVERAGE About 930 stations in the Seoul metropolitan area (Seoul, Gyeonggi and Incheon, including GTX-A, AREX, the Shinbundang Line and light rail lines), Busan, Daegu, Gwangju and Daejeon. Switch cities with the region chips in the station picker. WORKS OFFLINE Routes are calculated on your device, so route search works without internet. Only real-time arrivals need a connection. KORA PRO Route search, boarding direction, real-time arrivals and the camera direction check are always free. Lock Screen tracking, announcement recognition and get-off vibration alerts are free for your first three journeys. After that, a one-time KORA Pro purchase keeps them on. KORA Pro also adds an exit guide that shows what's near each exit on Seoul Subway Lines 1 to 8. It also includes last train alerts for Lines 1 to 9, and a luggage mode that shows the car closest to the elevator on Lines 1 to 8. No subscription. PRIVATE BY DESIGN No account, no ads. Location, camera and announcement recognition are processed on your device and are never stored or sent anywhere. We only collect anonymous usage statistics to improve the app. Camera, microphone, speech recognition and motion access are all optional. Without them you can still pick stations yourself and get full route guidance. Contact: leeo@kakao.com
Threadline
A private journal for tracking relationships, conversations, and important moments. Create profiles, log dates, and save details to prepare for future interactions. Analyze patterns without judgment.
- Private profiles and timelines
- Date and conversation logging
- Customizable reflection prompts
- Private brief for upcoming dates
- Local statistics and pattern analysis
- Relationship Mode
- Data export and deletion controls
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Threadline is a private relationship journal for remembering the people, dates, conversations, and moments that matter to you. Create a personal profile for someone you’re getting to know. Keep a timeline of dates and conversations. Save places, time spent together, milestones, expenses in the currencies you choose, and the details you want to remember next time. REFLECT YOUR WAY Choose from thoughtful prompts or create your own metrics. Record how you felt, whether communication felt easy, what gave you energy, or anything else that matters to you. Threadline keeps each metric separate. It does not rank people or tell you who is “best.” PREPARE WITH A PRIVATE BRIEF Before your next date, quickly revisit the last interaction, pinned details, open questions, current relationship stage, and recent rhythm. Your brief is built locally from information you chose to save. NOTICE PATTERNS, NOT VERDICTS Explore clear, local statistics about interaction rhythm, time together, personal reflections, tags, stages, and spending by currency. Every insight shows its date range and sample size. There are no compatibility verdicts, diagnoses, or relationship decisions. BUILT FOR PRIVACY • No account or public profile • Journal data stays on this device unless you choose to export it • App Lock with Face ID or Touch ID • Privacy cover when the app leaves the foreground • Sensitive private text encrypted on device • No third-party advertising or behavioral tracking SDKs FLEXIBLE FROM DATING TO RELATIONSHIP Use custom stages, tags, milestones, and reminders while dating. When a relationship becomes your focus, switch to Relationship Mode without losing the history that brought you there. CORE FEATURES • Private profiles and timelines • Fast Quick Log for dates and conversations • Custom stages, milestones, tags, and reflections • Time, place, duration, and multi-currency expenses • Private Brief before the next interaction • Local charts and transparent statistics • Relationship Mode and local reminders • Readable data export and deletion controls • Password-encrypted backup, verification, and replace-only restore Threadline is a private journal and personal organization tool. It is not a dating, matching, messaging, surveillance, medical, or therapy service. Some features require Threadline Pro. Available plans and prices are shown in the app before purchase. Annual subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your App Store account settings. A one-time Lifetime option is also available. Readable JSON/CSV exports are plaintext. Password-encrypted backups can be verified and restored; restore replaces the destination journal and is not automatic sync. Photo attachments are not included. Restoring an App Store purchase restores Pro access only, not journal content. Privacy Policy: https://app-legal-pages.vercel.app/threadline/privacy Terms of Use: https://app-legal-pages.vercel.app/threadline/terms Support: https://app-legal-pages.vercel.app/threadline
Screenshots
Verdict
The clearest difference is iOS requirement: Threadline at 18.0 against KORA's 26.2. On price, ads, 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
Both are free to download. KORA sells 4 one-off in-app purchases and Threadline sells 2 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.
| Parameter | KORA | Threadline |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 26.2 | 18.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | hyunho lee | 慧慧 高 |
In-app purchases
KORA
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$9.99
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- kora pro$9.99
Threadline
- Pro Annual$24.991 Year
- Pro Lifetime$44.99




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