Focus Dive vs Jeolmi
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Focus Dive
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Your brain already knows how to dive deep. Focus Dive just helps you aim it. Stay longer. Go deeper. Collect what you find. - Depth-based focus timer - Ocean treasures as rewards - Built for brains that work differently - Gentle insights, no pressure For hyperfocusers, ADHD minds, and anyone who's tired of fighting their own brain. Dive in.
Jeolmi
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Jeolmi is a focus timer and to-do list with a small paper seal that copies whatever you write. Type "read chapter 4" and the seal picks up a book. Type "pay rent" and it brings a wallet (empty, it apologizes). Tap start, lock your phone, and the seal is on your Lock Screen and in the Dynamic Island, holding the prop next to your task while the timer runs. Every real 25 minutes of focus inks one grape on today's bunch. Checked-off tasks add grapes too, drawn dotted so you can tell them apart. Fill the day's grape slots and the seal sits up and claps. Once a day. What the seal does Ā· Copies your task with a paper prop, live as you type. There are 32 props to find, and the ones you find stay on your prop shelf. Ā· Stays on your Lock Screen and in the Dynamic Island while you focus. Done, Pause and +5 work without opening the app. Ā· Says one dry line per state. It never coaches and never guilts. Ā· Wears what you give it: outfits, body colors, a four-slot desk. Outfits, desk items and two of the body colors cost Jelly, which you earn by focusing and finishing tasks. Nothing is random. Ā· Goes for a swim once today's grapes are filled and comes back with one line. If you take a few days off, it folds you a paper crane. It never counts the days you missed. Everything below is free Ā· Timer: count up with no cap, a 25-minute countdown, or any length from 5 to 240 minutes. Keeps running if the app is closed Ā· Tasks: tap to check one off, or make it timed and see today's minutes on it. Today, tomorrow, weekday routines, subjects with colors Ā· D-day: finals, SAT, ACT, custom dates, D+ after the day Ā· Widgets: Home Screen and Lock Screen, with today's tasks, grapes and your D-day. Check tasks off right on the widget Ā· Live Activity with the seal and your task, also in the Dynamic Island on iPhones that have one Ā· Stats: a month of grapes, hours per subject, days showed up, lifetime hours Share, if you want A card of today's grapes, a mirror card with your task and the prop, a transparent sticker of your seal for notes apps and Stories, and a three-second clip of the flop or the clap. Nothing is posted anywhere by itself. Quiet by design One note a day at most, in the seal's voice, at a time you pick (8 p.m. unless you change it). A heads-up when a countdown ends. Quiet Mode is one tap. Days showed up are counted, never used against you: two freezes refill on their own, and no message ever says something is at risk. Stays on your phone Everything stays on your phone. There is no sign-up and no email, and your tasks and records never leave the device unless you share a card yourself. The app sends only anonymous usage statistics, never what you write, to help improve it. Your records are part of your iPhone's own backup (iCloud Backup or a computer backup), so restoring or moving to a new iPhone brings them along. In English, Korean and Japanese: it follows your iPhone, and you can switch any time in Settings ā Language. Jeolmi is a spotted seal pup named after injeolmi, the Korean rice cake it resembles. It insists it is a seal, not a sea lion. This matters to it.
Screenshots
Verdict
The clearest difference is iOS requirement: Focus Dive at 18.2 against Jeolmi's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Focus Dive ships an update every 11 days, Jeolmi weekly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.
| Parameter | Focus Dive | Jeolmi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days | Weekly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 18.2 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 62 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Seung Ah Shin | Jaewook Jung |
In-app purchases
Focus Dive
No in-app purchases
Jeolmi
No in-app purchases








