Comparison

Kujun vs Sit Buddy

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Kujun

Features
Read full description

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 7–14 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.

About

Sit Buddy

Features
Read full description

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

Kujun4 screens
Sit Buddy4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

Kujun ships an update every 3 months, Sit Buddy monthly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

Scorecard3 real differences Β· 3 level
Kujun versus Sit Buddy: the parameters behind the verdict, then further details
ParameterKujunSit Buddy
PriceFree β€” better$0.99
Update frequencyEvery 3 monthsMonthly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad β€” better
Requires iOS16.4 β€” better26.5
Further details β€” not scored
Size49 MB48 MB
Age rating4+4+
DeveloperCode with BetoδΏŠηƒ½ 李

In-app purchases

None

Kujun

No in-app purchases

None

Sit Buddy

No in-app purchases

Questions

Is Kujun free?
Kujun is free to download, with no in-app purchases.
Is Sit Buddy free?
Sit Buddy costs $0.99, with no in-app purchases.
Do Kujun or Sit Buddy have ads?
Neither Kujun nor Sit Buddy shows ads.
Which is updated more often, Kujun or Sit Buddy?
Kujun ships an update every 3 months, and Sit Buddy monthly. Most recently, Kujun was updated on October 28, 2026 and Sit Buddy on October 26, 2026.

Other comparisons