Kujun vs Sit Buddy
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Kujun
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See your consistency at a glance β and keep it completely to yourself. Kujun is a private, fully native habit tracker. No account. No subscription. No cloud. Everything lives on your device, and the app collects zero data. Named after the Korean word κΎΈμ€ (kkujun) β "steady, consistent" β Kujun is built around one idea: show up daily, and watch that consistency build. PRIVATE BY DESIGN β’ No account or sign-up β open the app and start β’ No subscription required β’ All your data stays in a local database on your device β’ No analytics, no tracking, no third-party SDKs YOUR CONSISTENCY AT A GLANCE β’ A GitHub-style heat map for every habit β’ Current streak, best streak, and completion rate β’ The longer you show up, the better it looks CHECK OFF WITHOUT OPENING THE APP β’ Home Screen widgets (small and medium) show your last 7β14 days and streaks β’ Complete habits straight from reminder notifications β’ Tap the widget to jump right into the app MADE FOR DAILY USE β’ Create habits with a name, icon, color, and weekly schedule β daily or any set of weekdays β’ Sort, reorder, and edit habits any time β’ Gentle reminders at the time you choose β’ Haptics and a small celebration when your day is complete FAST AND NATIVE β’ Built with native iOS components, SF Symbols, and modern iOS design β’ Light and dark mode, at home on your iPhone YOUR DATA IS YOURS β’ Export a backup file any time and restore it on any device β’ Delete the app and nothing lingers on a server β because there is no server Start small. Stay steady. Watch the heat build.
Sit Buddy
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Sit Buddy is a focus timer with a cat that sits beside you. Pick study, work, reading, writing, exercise, meditation, or type your own. Place the phone face down to begin, or tap the button. HOW TO SIT β’ 1 to 240 minutes, with common presets β’ A 5- or 10-minute rest when the session ends β’ Quiet, rain, or fireplace sound β’ Remaining time on the Lock Screen β’ If you pick the phone up, it counts, and the cat looks back THE CAT Tap to say hello. Hold and stroke along the fur. A short line at the start of a session. JOURNAL AND STAMPS Sessions over a minute land in a diary. You can add a line after you finish. Totals, a seven-day trend, and a calendar. Sit enough and you earn a stamp. PRIVATE No account, no ads, no in-app purchases. Records stay on this iPhone or iPad. Timer-end notifications are optional. Privacy: https://paste.rs/GrFAe
Screenshots
Verdict
The clearest difference is price: Kujun at Free against Sit Buddy's $0.99. Kujun also leads on iOS requirement (16.4 vs 26.5). Sit Buddy's advantage is update cadence (monthly vs every 3 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Kujun is free to download; Sit Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Kujun ships an update every 3 months, Sit Buddy monthly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.
| Parameter | Kujun | Sit Buddy |
|---|---|---|
| Price | Free β better | $0.99 |
| Update frequency | Every 3 months | Monthly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 16.4 β better | 26.5 |
| Further details β not scored | ||
| Size | 49 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Code with Beto | δΏη½ ζ |
In-app purchases
Kujun
No in-app purchases
Sit Buddy
No in-app purchases






