Get a browser notification when blackstar releases a new app.
| App | Style | Rating | Installs | Released |
|---|---|---|---|---|
Clipboard - Copy & Paste
|
Tools | ★ 3.3 | 100,000+ | Jan 3, 2023 |
Decision Roulette - Random
|
Tools | — | 100,000+ | Jan 20, 2023 |
Ladder - Random, Penalty
|
Tools | — | 50,000+ | Jun 27, 2022 |
Football Tactic Board
|
Sports | — | 50,000+ | Jan 9, 2024 |
Stock Calculator
|
Finance | — | 50,000+ | May 10, 2022 |
Sepak Takraw Tactic Board
|
Sports | — | 50,000+ | Aug 15, 2024 |
Spin Arrow - Random
|
Tools | ★ 3.2 | 10,000+ | May 2, 2023 |
Basketball Tactic Board
|
Sports | — | 10,000+ | Jan 16, 2024 |
예금 적금 계산기- 예금, 적금 이자계산, 기록, 공유
|
Finance | — | 10,000+ | — |
Volleyball Tactic Board
|
Sports | — | 10,000+ | Jan 18, 2024 |
List Sum Calculator
|
Tools | — | 10,000+ | Mar 23, 2024 |
Futsal Tactic Board
|
Sports | — | 10,000+ | Jan 11, 2024 |
Draw lots - Random, Penalty
|
Tools | — | 10,000+ | Jan 11, 2023 |
Word Counter
|
Tools | — | 10,000+ | Aug 2, 2024 |
Color Mixer Calculator
|
Tools | — | 10,000+ | Apr 4, 2024 |
Scoreboard - Counters
|
Sports | — | 10,000+ | Dec 17, 2022 |
Team Manager - Team Selection
|
Tools | — | 10,000+ | May 10, 2022 |
Time Timer - Countdown
|
Productivity | ★ 3.4 | 5,000+ | Feb 8, 2023 |
Rugby Tactic Board
|
Sports | — | 5,000+ | Feb 8, 2024 |
로또매니저 - 로또 번호 생성, 관리, 통계, 분석
|
Finance | — | 5,000+ | — |
Special characters - emoticons
|
Tools | — | 5,000+ | Dec 12, 2022 |
Large Text - Banner Creator
|
Tools | — | 5,000+ | Dec 29, 2022 |
LED Display - Cheering tool
|
Tools | — | 5,000+ | Jun 11, 2022 |
Stock Calculator
|
Finance | — | 5,000+ | Apr 9, 2024 |
Pressure Calculator
|
Tools | — | 1,000+ | Dec 8, 2023 |
TableClock - LED Theme Clock
|
Tools | — | 1,000+ | Oct 4, 2021 |
Random number generator
|
Tools | — | 1,000+ | Mar 19, 2024 |
Speed Calculator
|
Tools | — | 1,000+ | Dec 7, 2023 |
대출 이자 계산기 - 대출 이자 계산, 기록, 공유
|
Finance | — | 1,000+ | — |
Badminton Tactic Board
|
Sports | — | 1,000+ | Feb 3, 2024 |
Field Hockey Tactic Board
|
Sports | — | 1,000+ | Aug 21, 2024 |
Random Numbers
|
Tools | — | 1,000+ | May 16, 2024 |
Handball Tactic Board
|
Sports | — | 1,000+ | Jan 18, 2024 |
Floorball Tactic Board
|
Sports | — | 1,000+ | Aug 22, 2024 |
윷놀이판 - 윷놀이, 복불복, 랜덤, 내기, 벌칙
|
Tools | — | 1,000+ | — |
HUD GPS Speedometer
|
Maps & Navigation | — | 1,000+ | Jun 18, 2022 |
Random Generator
|
Tools | — | 1,000+ | Dec 3, 2023 |
Gram Calculator
|
Tools | — | 1,000+ | Oct 22, 2024 |
Water Polo Tactic Board
|
Sports | — | 1,000+ | Aug 19, 2024 |
American Football Tactic Board
|
Sports | — | 1,000+ | Feb 9, 2024 |
Simple Random Number
|
Tools | — | 1,000+ | Jul 30, 2024 |
Profile Maker -profile picture
|
Photography | — | 1,000+ | May 18, 2023 |
Bad Habit Tracker
|
Tools | — | 1,000+ | Sep 6, 2024 |
부동산 취득세 계산기
|
Tools | — | 1,000+ | — |
Recipe Calculator
|
Tools | — | 1,000+ | May 9, 2024 |
Date Calculator
|
Lifestyle | — | 1,000+ | Dec 20, 2022 |
Hockey Tactic Board
|
Sports | — | 1,000+ | Jan 22, 2024 |
Yield Calculator
|
Finance | — | 1,000+ | Nov 5, 2023 |
Countdown
|
Tools | — | 1,000+ | Aug 12, 2024 |
Ice Hockey Tactic Board
|
Sports | — | 1,000+ | Aug 21, 2024 |
Custom notifications
|
Tools | — | 1,000+ | May 15, 2025 |
Voice Diary - Voice Record
|
Lifestyle | — | 1,000+ | Oct 28, 2023 |
Football Training Notes
|
Sports | — | 1,000+ | Sep 25, 2025 |
Circular timetable
|
Tools | — | 1,000+ | Jun 15, 2025 |
Tennis Tactic Board
|
Sports | — | 1,000+ | Feb 2, 2024 |
Finger Picker - Random,Penalty
|
Tools | — | 1,000+ | Oct 21, 2023 |
Timeline - Time Notes
|
Tools | — | 1,000+ | Jan 10, 2025 |
Volleyball Training Notes
|
Sports | — | 1,000+ | Oct 10, 2025 |
Time Calculator
|
Tools | — | 1,000+ | May 15, 2024 |
연차 계산기 - 연차일수 계산, 연차수당 계산
|
Tools | — | 1,000+ | — |
Netball Tactic Board
|
Sports | — | 1,000+ | Aug 16, 2024 |
Simple Counter
|
Tools | — | 1,000+ | Jun 29, 2024 |
Ultimate Frisbee Tactic Board
|
Sports | — | 1,000+ | Aug 17, 2024 |
퇴직금 계산기 - 퇴직금 계산, 재직기간 계산
|
Tools | — | 1,000+ | — |
Curling Tactic Board
|
Sports | — | 500+ | Aug 19, 2024 |
학점 계산기 - 학점계산
|
Productivity | — | 500+ | — |
QR Code Manager - QR Reader
|
Productivity | — | 500+ | May 10, 2022 |
Length Calculator
|
Tools | — | 500+ | Dec 5, 2023 |
StatCard - Skill Card Maker
|
Tools | — | 500+ | Mar 21, 2025 |
Weight Calculator
|
Tools | — | 500+ | Dec 6, 2023 |
Date Calculator
|
Tools | — | 500+ | Sep 2, 2024 |
Kabaddi Tactic Board
|
Sports | — | 500+ | Aug 18, 2024 |
Ads Earnings - Ad Report
|
Business | — | 500+ | Feb 11, 2025 |
Date/Time Generator
|
Tools | — | 500+ | Jun 2, 2024 |
거래명세서 생성기 - 거래명세서 만들기
|
Business | — | 500+ | — |
주휴수당 계산기 - 주휴수당, 주급 계산
|
Tools | — | 500+ | — |
Drink Water Manager - Reminder
|
Health & Fitness | — | 500+ | Sep 19, 2021 |
Compound Interest Calculator
|
Finance | — | 500+ | Feb 28, 2024 |
Split Bill Calculator
|
Tools | — | 500+ | Apr 20, 2024 |
Simple notepad - Simple memo
|
Productivity | — | 500+ | Dec 4, 2022 |
Fridge Manager - Grocery list
|
Food & Drink | — | 500+ | Jun 13, 2023 |
Money Box
|
Tools | — | 500+ | Sep 8, 2024 |
Sepak Takraw Training Notes
|
Sports | — | 500+ | Oct 11, 2025 |
소득세 계산기 - 근로소득세 계산
|
Tools | — | 500+ | — |
영수증 생성기 - 영수증 만들기
|
Business | — | 500+ | — |
Mirror - Control zoom&exposure
|
Beauty | — | 500+ | Jan 8, 2023 |
Roller Hockey Tactic Board
|
Sports | — | 500+ | Aug 22, 2024 |
VAT Calculator
|
Tools | — | 500+ | Sep 10, 2024 |
Futsal Training Notes
|
Sports | — | 500+ | Oct 8, 2025 |
Interval Timer :Workouts Timer
|
Tools | — | 100+ | Oct 6, 2024 |
Timestamp:stamp, certification
|
Photography | — | 100+ | Dec 4, 2022 |
Volume Calculator
|
Tools | — | 100+ | Dec 8, 2023 |
BMI Calculator - Ideal Weight
|
Tools | — | 100+ | Feb 20, 2024 |
Dice Roller
|
Tools | — | 100+ | Dec 15, 2023 |
전기요금 계산기
|
Tools | — | 100+ | — |
Netball Training Notes
|
Sports | — | 100+ | Oct 24, 2025 |
Daily Planner - Schedule
|
Tools | — | 100+ | Aug 28, 2024 |
Golf Scorebaord
|
Sports | — | 100+ | Aug 19, 2025 |
Chronological Notes
|
Tools | — | 100+ | Jul 8, 2024 |
Rolling Roulette - Random
|
Tools | — | 100+ | Sep 1, 2025 |
전월세 계산기 - 전월세 전환 계산
|
Tools | — | 100+ | — |
Multi Scoreboard
|
Tools | — | 100+ | Jan 17, 2025 |
Custom Timer - Countdown
|
Productivity | — | 100+ | Aug 13, 2024 |
Car Fuel Efficiency Calculator
|
Tools | — | 100+ | Apr 30, 2024 |
Shopping List - Check list
|
Shopping | — | 100+ | May 30, 2023 |
Basketball Training Notes
|
Sports | — | 100+ | Oct 9, 2025 |
Daily Memo - Notes, Diary
|
Lifestyle | — | 100+ | Jun 26, 2023 |
Rugby Training Notes
|
Sports | — | 100+ | Oct 23, 2025 |
Drawing Board
|
Tools | — | 100+ | Mar 1, 2024 |
Currency Converter
|
Tools | — | 100+ | Mar 4, 2025 |
Area Calculator
|
Tools | — | 100+ | Nov 21, 2023 |
Shopping Calculator
|
Tools | — | 100+ | Nov 22, 2023 |
Handball Training Notes
|
Sports | — | 100+ | Oct 21, 2025 |
Color Generator
|
Tools | — | 100+ | May 31, 2024 |
Character Generator
|
Tools | — | 100+ | Jun 1, 2024 |
견적서 생성기 - 견적서 만들기
|
Business | — | 100+ | — |
Ping-Pong Tactic Board
|
Sports | — | 100+ | Aug 18, 2024 |
Part-time Hours Record
|
Tools | — | 100+ | Sep 16, 2024 |
Meal Plan Table
|
Food & Drink | — | 100+ | Mar 29, 2024 |
MultiCounter - Scoreboard
|
Tools | — | 100+ | Jan 30, 2023 |
Simple paint - Sketch, Memo
|
Tools | — | 100+ | Dec 4, 2022 |
Simple Household Account Book
|
Tools | — | 100+ | Sep 24, 2024 |
연봉계산기 - 실수령액 계산
|
Tools | — | 100+ | — |
Floorball Training Notes
|
Sports | — | 100+ | Oct 16, 2025 |
Unit Converter
|
Tools | — | 100+ | Dec 11, 2023 |
Password Generator
|
Tools | — | 100+ | Jun 1, 2024 |
인플레이션 계산기
|
Tools | — | 100+ | — |
Pocket Money Notes
|
Tools | — | 100+ | Sep 20, 2024 |
Simple Emoticons
|
Tools | — | 100+ | Dec 24, 2022 |
Flashlight
|
Tools | — | 100+ | Feb 12, 2024 |
Field Hockey Training Notes
|
Sports | — | 100+ | Oct 17, 2025 |
Kabaddi Training Notes
|
Sports | — | 100+ | Oct 26, 2025 |
중도상환수수료 계산기
|
Tools | — | 100+ | — |
Asset Management Notes
|
Finance | — | 100+ | Apr 14, 2024 |
Badminton Notes
|
Sports | — | 100+ | Oct 23, 2025 |
Item Picker
|
Tools | — | 100+ | May 30, 2024 |
Average Down & ROI Calculator
|
Finance | — | 100+ | Feb 26, 2026 |
Habit Tracker - Daily Routine
|
Productivity | — | 100+ | Dec 24, 2025 |
Percent Off Calculator
|
Tools | — | 100+ | Mar 15, 2024 |
One Page Note
|
Tools | — | 100+ | Apr 26, 2025 |
Ultimate Frisbee Training Note
|
Sports | — | 100+ | Oct 24, 2025 |
Age Calculator
|
Tools | — | 100+ | Jun 23, 2024 |
Simple Voice Memo -Voice Notes
|
Tools | — | 100+ | Mar 28, 2025 |
Food Expenses Notes
|
Tools | — | 100+ | Jul 28, 2024 |
Percent Off Calculator
|
Tools | — | 100+ | Oct 25, 2024 |
To do list
|
Tools | — | 50+ | Aug 5, 2024 |
Ad Earnings Tracker
|
Business | — | 50+ | Nov 7, 2025 |
OCR Text Scanner
|
Tools | — | 50+ | Jan 24, 2026 |
Water Polo Training Notes
|
Sports | — | 50+ | Oct 23, 2025 |
Shopping Note - Memo
|
Tools | — | 50+ | Oct 14, 2023 |
Simple Wordbook
|
Education | — | 50+ | Mar 9, 2024 |
Diet Notes
|
Tools | — | 50+ | Sep 27, 2024 |
Tennis Training Notes
|
Sports | — | 50+ | Oct 27, 2025 |
Day Spend: Daily +/- Tracker
|
Tools | — | 50+ | Apr 4, 2026 |
D-Day Note
|
Tools | — | 50+ | Jun 14, 2024 |
Tap Code - Notes
|
Tools | — | 50+ | Nov 21, 2025 |
American Football Notes
|
Sports | — | 50+ | Oct 22, 2025 |
Spin Bead - Random
|
Tools | — | 50+ | Apr 5, 2025 |
Ice Hockey Training Notes
|
Sports | — | 50+ | Oct 19, 2025 |
Quick Notes : To-dos
|
Productivity | — | 10+ | Feb 8, 2026 |
Wrong Answer Note
|
Productivity | — | 10+ | May 7, 2026 |
Team Simulation
|
Tools | — | 10+ | Jan 3, 2025 |
Hockey Training Notes
|
Sports | — | 10+ | Oct 20, 2025 |
Curling Training Notes
|
Sports | — | 10+ | Oct 25, 2025 |
Average Down Manager
|
Finance | — | 10+ | Jun 27, 2025 |
Roller Hockey Training Notes
|
Sports | — | 10+ | Oct 18, 2025 |
CheckLog - Car, Gym, Daily Log
|
Productivity | — | 10+ | Jan 10, 2026 |
Ping-Pong Training Notes
|
Sports | — | 10+ | Oct 25, 2025 |
TimeDiff Note
|
Tools | — | 10+ | Jul 20, 2026 |
