밑줄긋기 vs Etched
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
밑줄긋기
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Found a sentence you love while reading a paper book? Take a photo and draw a line with your finger — done. Underline records the sentence as text for you. [Snap, Draw, Save] Take a photo of the page, then draw a highlight on the screen with your finger. OCR precisely recognizes only the sentence you highlighted. Library books, borrowed books — mark them without leaving a trace. [Your Personal Reading Notes] Highlighted sentences, your thoughts, and book memos — all in one reading note. Build your own library as your books stack up. [Tag Your Emotions] #goosebumps #todaysdiscovery #wanttoreadagain Add emotion tags to your highlights and see your reading emotion map in a tag cloud. [Share Cards] (NEW) Select your favorite highlights and create beautiful card images. Colors are automatically extracted from the book cover for a matching background. Share on Instagram, KakaoTalk, Twitter, and more. [Find It Anytime] That sentence on the tip of your tongue — find it instantly with search. [Key Features] • Photo capture → draw highlight with finger → OCR text recognition • 5 highlighter colors & thickness control • Direct text input • Emotion hashtags (28 default + custom tags) • Tag cloud overview • Book memos • Share card creator (gallery save & SNS share) • Naver book search & barcode scan • Genre classification & filter • Highlight text search • Email / Google / Apple sign-in
Etched
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Etched is a reading journal for paper books: photograph a line that moves you, write it out by hand later, and reflect on it briefly at night. No account, no subscription — every record stays on your device. Don't stop reading. On the bus, or in bed before sleep, you meet a line that stays with you. Stop to underline it or copy it out, and you lose the thread of what you were reading. Etched lets you keep the line as a single photo and push transcribing and reflecting to a quiet moment. Keep → Write it out → Reflect: a ritual for reading slowly, one line a day. ■ A day with Etched · Keep — Snap the line and it files itself under the book you're reading. Focus stays centered, and you can pick the book before or after you shoot. Press the shutter and go back to the page. Quiet enough for the library or the bus. · Write it out — A little later, a single reminder. Read the line in the photo and type it yourself, character by character. No autocomplete, no auto-fill. The time it takes is the point. · Reflect — At the end of the day, a short note on how the line landed today. One reminder, only if you've transcribed a line in the last two days. Every step can wait, or be skipped. Lines you never get to are set aside quietly — no nagging. ■ A book, recorded Note what you hope for when you add a book, and leave an afterword when you finish. Then export the finished book as up to 20 images: cover and expectations, chosen lines with reflections, and your afterword (Premium). ■ Straight from your iPhone Lock Screen (iOS 18 and later) Add "Etch a Line" to the Lock Screen, Control Center, or the Action Button, and the camera opens without unlocking. It's silent and saves exactly what you saw. Lines you capture there are waiting the next time you open Etched. On iOS 16 and 17, a circular Lock Screen widget opens the camera directly. ■ Where your lines live · Your library — Lines gather under each book. Unlimited books; see the ones you're reading and the ones you've finished separately. · Three views — Gallery, list, and calendar. The days you etched a line show as dots on the calendar. · Highlight — Mark the line on the photo with a highlighter. When you transcribe, only that part is shown, enlarged. ■ When you'd like to share Turn a line into a single image card — square, portrait, or story. Include your reflection, and a long one simply spans several cards. Not to show off; just a quiet way to pass something on. ■ What Etched doesn't have · No streaks, badges, points, or rankings. · No statistics dashboard, no social feed, no endless timeline. · No notifications designed to pull you back in. It's not about how many lines you've gathered, but how deeply one line is etched. The goal isn't time spent in the app — it's getting you back to the book. ■ Your records stay with you No account, no login. Everything is stored only on this device and never sent anywhere. No ads, no tracking. Export and restore a backup file, or let Etched back up automatically on a schedule you choose. ■ Premium Free to keep unlimited books and up to 12 lines at a time. One purchase unlocks unlimited lines and book export — not a subscription. ■ Questions people ask Q. Do I need an account? — No. Install and start; records stay on your device. Q. Is it a subscription? — No. Premium is a single non-consumable purchase, with Restore Purchases. Q. Does it turn the photo into text for me? — No. You type the line yourself. That slowness is the point of Etched. Q. Does it work with e-books? — It's made for paper books, but you can pick a screenshot from your photos. Q. What if I change phones? — Export a backup file from Settings > Data, then restore it on the new device. Q. Who is it for? — People who read paper books and want to keep the lines they love, without statistics or social features. Read slowly, keep deeply — Etched.
Screenshots
Verdict
The clearest difference is in-app purchases: 밑줄긋기 at none against Etched's 1. 밑줄긋기 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads 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. Etched sells 1 one-off in-app purchase. 밑줄긋기 asks for nothing beyond the download.
밑줄긋기 ships an update fortnightly, Etched every 3 weeks. Both last shipped on October 31, 2026.
| Parameter | 밑줄긋기 | Etched |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 53 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Bo-eun Je | JiHyeong Lee |
In-app purchases
밑줄긋기
No in-app purchases
Etched
- Etched Premium$6.99







