razuma

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Apps: 206
Total installs: 1.6M
Avg rating: โ˜… 3.98
Ratings: 3.2K
Latest release: Nov 9, 2026

How this developer operates

All apps

AppStyleRatingInstallsReleased
Drawing Pad Art & Design โ˜… 4.6 100,000+ Aug 3, 2021
Simple Whiteboard Art & Design โ€” 100,000+ May 20, 2021
Black and White Photo Photography โ˜… 4.4 100,000+ Jan 4, 2023
Thermography Camera Photography โ˜… 3.0 100,000+ Jun 11, 2024
Negative Image Photography โ˜… 4.4 50,000+ Nov 17, 2022
X-ray Style Camera Photography โ€” 50,000+ Dec 11, 2025
Simple blackboard Art & Design โ€” 50,000+ Dec 9, 2020
Ghost Leg Tools โ€” 50,000+ Aug 1, 2021
Negative image camera Photography โ˜… 4.2 50,000+ Jun 21, 2024
Night vision style camera Photography โ˜… 3.9 10,000+ Jul 29, 2025
Referee whistle, yellow card Tools โ€” 10,000+ May 18, 2023
Remote Vibrator Health & Fitness โ˜… 4.2 10,000+ Jan 15, 2022
Quiz Sound Effect Entertainment โ€” 10,000+ Jan 6, 2021
VHS Cam - Retro Video Filter Photography โ˜… 3.2 10,000+ Dec 3, 2025
Call Bell Sounds - Chimes Entertainment โ€” 10,000+ Jan 14, 2021
Flip Image - Mirror Image Photography โ€” 10,000+ Mar 8, 2022
Drawing on Blackboard Art & Design โ€” 10,000+ Aug 3, 2021
Simple Fireworks Entertainment โ€” 10,000+ May 4, 2023
Line Art - line drawing Photography โ˜… 3.9 10,000+ Mar 2, 2023
Dual Camera - Front & Back Photography โ€” 10,000+ May 31, 2026
Handwritten Notes - Notepad Productivity โ€” 5,000+ Dec 18, 2022
Online Quiz Buzzer Entertainment โ€” 5,000+ Feb 1, 2022
Remote vibrator Entertainment โ€” 5,000+ Feb 8, 2022
Remote Vibration Communication Tools โ€” 5,000+ Jan 30, 2022
Lottery Maker - Raffle & Draw Tools โ€” 5,000+ Jul 17, 2021
Simple Reverse Voice Entertainment โ€” 5,000+ Nov 18, 2022
Element Symbols - Quiz & List Education โ€” 5,000+ Nov 22, 2021
Circle Crop - Round Photo Photography โ€” 1,000+ Apr 17, 2024
Service Bell - Desk Bell Sound Entertainment โ€” 1,000+ Jan 14, 2021
Horror Sound Effects Entertainment โ€” 1,000+ May 29, 2023
X-ray Style Photo Photography โ€” 1,000+ Dec 12, 2025
Draw on Pictures - Simple Tools โ€” 1,000+ Mar 13, 2022
Scoreboard - Simple Sports โ€” 1,000+ Jun 20, 2023
Big timer Tools โ€” 1,000+ Mar 26, 2022
Photo contrast adjustment Photography โ€” 1,000+ Jun 21, 2023
Music box style BGM Music & Audio โ€” 1,000+ Jan 22, 2021
VHS Photo - Retro Filter Photography โ€” 1,000+ Dec 6, 2025
Vibration - Phone Massager Health & Fitness โ€” 1,000+ Jan 12, 2022
Table Tennis Scoreboard Sports โ€” 1,000+ Jul 27, 2023
Drawing Online - Draw Together Art & Design โ€” 1,000+ Dec 18, 2022
Emotion Sounds - Reaction SFX Entertainment โ€” 1,000+ Jan 7, 2021
Black & White Camera - Mono Photography โ€” 1,000+ Jun 18, 2024
Fire Equipment G6 Exam Prep JP Business โ€” 1,000+ Mar 29, 2026
Typewriter video creation Entertainment โ€” 1,000+ Mar 20, 2025
QCๆคœๅฎšยฎ Grade 3 Exam Prep JP Business โ€” 1,000+ Mar 23, 2026
Sepia Photo Photography โ€” 1,000+ Jan 28, 2025
Timestamp Camera: Date & GPS Photography โ€” 1,000+ Aug 6, 2026
้‹่กŒ็ฎก็†่€…๏ผˆ่ฒจ็‰ฉ๏ผ‰ ่ฉฆ้จ“ๅฏพ็ญ– ๅ•้กŒ้›† Business โ€” 1,000+ Mar 9, 2026
Fire Equip A4 Exam Prep JP Business โ€” 1,000+ Apr 2, 2026
็”Ÿๅ‘ฝไฟ้™บไธ€่ˆฌ่ชฒ็จ‹ ่ฉฆ้จ“ๅฏพ็ญ– ๅ•้กŒ้›† Business โ€” 1,000+ Feb 21, 2026
Photo Color Filter Photography โ€” 1,000+ Jun 16, 2024
Night Vision - Photo Filter Photography โ€” 1,000+ Jul 29, 2025
Overlay Camera - Photo Blend Photography โ€” 1,000+ Feb 7, 2026
Hourglass Timer - Sandglass Tools โ€” 1,000+ Aug 23, 2026
Insurance Agent Exam Prep JP Business โ€” 1,000+ Mar 3, 2026
Thermography Photo Photography โ€” 500+ May 26, 2024
Watercolor Photo Processing Photography โ€” 500+ Feb 26, 2023
Simple Handwritten Note Tools โ€” 500+ Dec 16, 2022
Low Quality Camera: Tiny Files Photography โ€” 500+ Aug 9, 2026
Traffic Guard Exam Grade 2 JP Business โ€” 500+ May 12, 2026
Disaster Prevention Exam JP Business โ€” 500+ Mar 16, 2026
Water Reflection Camera Photography โ€” 500+ Jan 13, 2026
Simple Vibrator - Massager Health & Fitness โ€” 500+ Jan 1, 2022
Pixel Image Converter Photography โ€” 500+ Jan 22, 2025
Securities Rep G1 Exam JP Business โ€” 500+ Mar 18, 2026
Fire Equipment G4 Exam Prep JP Business โ€” 500+ Mar 29, 2026
Business Law 2 Exam Prep JP Business โ€” 500+ May 10, 2026
Security Camera Filter Photography โ€” 500+ Dec 25, 2025
Fire Equip A1 Exam Prep JP Business โ€” 500+ Apr 2, 2026
็”Ÿๅ‘ฝไฟ้™บๅฐ‚้–€่ชฒ็จ‹ ่ฉฆ้จ“ๅฏพ็ญ– ๅ•้กŒ้›† Business โ€” 500+ Mar 8, 2026
Sepia Camera Photography โ€” 500+ Feb 5, 2025
Image Blend - Photo Overlay Photography โ€” 500+ Feb 11, 2026
Image Rotate Flip Photography โ€” 500+ Feb 4, 2026
Fire Equipment G7 Exam Prep JP Business โ€” 500+ Apr 1, 2026
Transport Manager Passenger JP Business โ€” 500+ Mar 10, 2026
Welfare Housing 2 Prep JP Business โ€” 500+ May 11, 2026
Voice Changer - Chipmunk Voice Entertainment โ€” 500+ Jan 25, 2023
CCTV Photo Filter Photography โ€” 500+ Dec 29, 2025
Funny Face Camera - Warp Photography โ€” 500+ Sep 15, 2026
Simplify Fractions - Simple Tools โ€” 500+ May 16, 2023
Secretary Exam Grade 2 JP Business โ€” 500+ Mar 15, 2026
Illustration Photo - Anime Art Photography โ€” 100+ Oct 10, 2025
Simple Voice Recorder - Memo Tools โ€” 100+ Jan 3, 2023
Poison Handler Exam Prep JP Business โ€” 100+ May 13, 2026
QCๆคœๅฎšยฎ Grade 2 Exam Prep JP Business โ€” 100+ Mar 23, 2026
Futsal Board: Tactics & Drills Sports โ€” 100+ Sep 28, 2026
Boat License Class 2 Exam Prep Business โ€” 100+ Apr 12, 2026
Blur Camera - Live Blur Effect Photography โ€” 100+ Feb 3, 2025
Text Display - LED Banner Tools โ€” 100+ Jan 31, 2025
Mosaic Camera - Pixelate Photo Photography โ€” 100+ Feb 3, 2025
Soccer Board: Tactics & Drills Sports โ€” 100+ Sep 28, 2026
Customs Broker Exam Prep JP Business โ€” 100+ Apr 7, 2026
G Exam AI Cert Prep JP Business โ€” 100+ Mar 19, 2026
Cartoon Sound Effects - Anime Entertainment โ€” 100+ May 29, 2023
Registered Dietitian Exam Prep Business โ€” 100+ Apr 13, 2026
Multi Scoreboard Tools โ€” 100+ Jul 26, 2023
Partial Color Photo Photography โ€” 100+ Oct 4, 2025
Duotone Photo - 2 Color Effect Photography โ€” 100+ Oct 13, 2025
Pencil Sketch Image Photography โ€” 100+ Feb 23, 2023
Landscaping G2 Exam Prep JP Business โ€” 100+ Mar 17, 2026
QCๆคœๅฎšยฎ Grade 4 Exam Prep JP Business โ€” 100+ Mar 23, 2026
Kaleidoscope Camera: Mirror Photography โ€” 100+ Aug 9, 2026
Simple timer Tools โ€” 100+ Dec 19, 2020
Electrician Exam Prep JP Business โ€” 100+ Mar 14, 2026
Boiler Engineer Exam Prep JP Business โ€” 100+ Mar 4, 2026
Eco Test Exam Prep JP Business โ€” 100+ May 11, 2026
Landscaping G1 Exam Prep JP Business โ€” 100+ Mar 17, 2026
็ตฆๆฐด่ฃ…็ฝฎๅทฅไบ‹ไธปไปปๆŠ€่ก“่€… ่ฉฆ้จ“ๅฏพ็ญ– ๅ•้กŒ้›† Business โ€” 100+ Feb 10, 2026
Pastry Hygienist Exam JP Business โ€” 100+ Apr 21, 2026
Basketball Board: Tactics Sports โ€” 100+ Sep 29, 2026
Inheritance Advisor G3 Exam JP Business โ€” 100+ Mar 20, 2026
Text to Speech - Simple Tools โ€” 100+ May 19, 2024
Simple Video Cutter Tools โ€” 100+ Jan 25, 2023
Securities Rep G2 Exam JP Business โ€” 100+ Mar 18, 2026
Japan PE Exam Prep Basics Business โ€” 100+ Aug 6, 2026
Fire Equip A5 Exam Prep JP Business โ€” 100+ Apr 3, 2026
Cat Quiz Beginner Exam JP Business โ€” 100+ Apr 21, 2026
Secretary Exam Grade 3 JP Business โ€” 100+ Mar 14, 2026
Financial 3 Banking Exam Prep Business โ€” 100+ Apr 12, 2026
Travel Business Mgmt Exam JP Business โ€” 100+ Apr 21, 2026
Generative AI Passport Prep Business โ€” 100+ Apr 12, 2026
Kaleidoscope Photo: Mirror Photography โ€” 100+ Aug 10, 2026
Welfare Housing 3 Prep JP Business โ€” 100+ May 10, 2026
Simple Color Picker Tools โ€” 100+ Jun 5, 2024
Paramedic Exam Prep JP Business โ€” 100+ May 13, 2026
Fisheye Camera: Lens & Video NEW Photography โ€” 100+ Oct 19, 2026
Class 2 Telecom Const Exam JP Business โ€” 100+ Apr 20, 2026
Fire Equip A2 Exam Prep JP Business โ€” 100+ Apr 2, 2026
Business Law 3 Exam Prep JP Business โ€” 100+ May 1, 2026
Fire Equipment G1 Exam Prep JP Business โ€” 100+ Mar 30, 2026
Water Reflection Photo - Lake Photography โ€” 100+ Jan 13, 2026
Business Manager Exam Prep Business โ€” 100+ May 12, 2026
Banking Law 3 Exam Prep JP Business โ€” 100+ May 13, 2026
Fire Equip A3 Exam Prep JP Business โ€” 100+ Apr 2, 2026
่ฒธ้‡‘ๆฅญๅ‹™ๅ–ๆ‰ฑไธปไปป่€… ่ฉฆ้จ“ๅฏพ็ญ– ๅ•้กŒ้›† Business โ€” 100+ Mar 6, 2026
Color Coordinator Exam Prep Business โ€” 100+ May 12, 2026
Class 1 Telecom Const Exam JP Business โ€” 100+ Apr 20, 2026
Simple Blur Photo - Blur Image Photography โ€” 100+ Jan 24, 2025
Magnifier & Microscope: Light NEW Photography โ€” 100+ Oct 21, 2026
Internal Control Mgr Exam JP Business โ€” 100+ Apr 21, 2026
Variable Insurance Sales JP Business โ€” 100+ May 12, 2026
Class 3 Refrigeration Exam JP Business โ€” 100+ Jun 18, 2026
Constr Machinery Mgmt G2 JP Business โ€” 100+ Jun 7, 2026
Color Mixing Play - Paint Lab Education โ€” 100+ Sep 30, 2026
Psychologist Exam Prep JP Business โ€” 100+ May 18, 2026
Duotone Camera Photography โ€” 100+ Oct 15, 2025
Vet Nurse Exam Prep JP Business โ€” 100+ Jun 7, 2026
Time Warp Scan: Blue Line Face NEW Photography โ€” 100+ Oct 20, 2026
Explosives Safety Exam A JP Business โ€” 100+ Aug 30, 2026
Japan PE Exam Prep Civil Eng Business โ€” 50+ Aug 20, 2026
Visual Timer - See Time Left Education โ€” 50+ Aug 4, 2026
Fire Equipment G5 Exam Prep JP Business โ€” 50+ Apr 1, 2026
Fire Equip A-Sp Exam Prep JP Business โ€” 50+ Apr 3, 2026
Class 3 Elec Engineer Exam JP Business โ€” 50+ Jun 19, 2026
Sustainable Mgmt Support Prep Business โ€” 50+ Apr 18, 2026
Volleyball Board: Rotations NEW Sports โ€” 50+ Oct 19, 2026
Care Worker Exam Prep JP Business โ€” 50+ Jun 1, 2026
Hazmat Class A Exam Prep JP Business โ€” 50+ Jun 5, 2026
Health Supervisor 1 Exam JP Business โ€” 50+ Jun 1, 2026
QCๆคœๅฎšยฎ Grade 1 Exam Prep JP Business โ€” 50+ Mar 24, 2026
Surveyor Asst Exam Prep JP Business โ€” 50+ May 12, 2026
Compliance Officer Exam Prep Business โ€” 50+ Apr 18, 2026
Sign Interpreter Exam Prep JP Business โ€” 50+ Aug 20, 2026
Fire Equipment G2 Exam Prep JP Business โ€” 50+ Mar 30, 2026
Web Design Skill Test 3 Prep Business โ€” 50+ May 28, 2026
PSW Exam Prep JP Business โ€” 50+ May 12, 2026
Class 2 Elec Const Exam JP Business โ€” 10+ Jun 18, 2026
Fire Equipment G3 Exam Prep JP Business โ€” 10+ Mar 30, 2026
FE IT Engineer Exam Prep JP Business โ€” 10+ Jun 8, 2026
Financial Cyber 3 Exam Prep Business โ€” 10+ Aug 23, 2026
Registered Drug Seller Exam Business โ€” 10+ Jun 1, 2026
Care Manager Exam Prep JP Business โ€” 10+ Jun 8, 2026
Japan PE Exam Prep Water Sewer Business โ€” 10+ Aug 20, 2026
Boiler Engineer G1 Exam JP Business โ€” 10+ Aug 25, 2026
Hazmat Type 4 Exam Prep JP Business โ€” 10+ Jun 5, 2026
Energy Manager Electrical JP Business โ€” 10+ Aug 27, 2026
Sleep Sounds - Rain & Fire Health & Fitness โ€” 10+ Sep 17, 2026
Class 1 Elec Const Exam JP Business โ€” 10+ Jun 18, 2026
QCๆคœๅฎšยฎ Semi-1 Exam Prep JP Business โ€” 10+ Mar 24, 2026
IT Passport Exam Prep JP Business โ€” 10+ May 12, 2026
Heart Failure Educator JP Business โ€” 10+ Aug 30, 2026
Food Hygiene Mgr Course JP Business โ€” 10+ Aug 26, 2026
FP Level 3 Exam Prep JP Business โ€” 10+ Jun 1, 2026
AML Officer Advanced Exam Prep Business โ€” 10+ Aug 23, 2026
Explosives Safety Exam B JP Business โ€” 10+ Aug 30, 2026
Japan PE Exam Prep Elec Eng Business โ€” 10+ Aug 20, 2026
Energy Manager Thermal JP Business โ€” 10+ Aug 27, 2026
Trust Banking 3 Exam Prep JP Business โ€” 10+ Aug 26, 2026
Constr Machinery Mgmt G1 JP Business โ€” 10+ Aug 23, 2026
Radiation Protection 2 Exam JP Business โ€” 10+ Aug 28, 2026
Health Supervisor 2 Exam JP Business โ€” 10+ Jun 2, 2026
Radiation Protection I Exam JP Business โ€” 10+ Aug 28, 2026
AML Officer Basic Exam Prep Business โ€” 10+ Aug 23, 2026
GPS Map Camera: Geotag Photo NEW Photography โ€” 10+ Oct 20, 2026
Restaurant Service Exam 3 JP Business โ€” 5+ Aug 25, 2026
Restaurant Service Exam 2 JP Business โ€” 5+ Aug 25, 2026
AML Officer KYC Exam Prep Business โ€” 1+ Aug 23, 2026
Blood Pressure Log & Chart NEW Health & Fitness โ€” 1+ Nov 4, 2026
Face Blur: Mosaic & Censor NEW Photography โ€” 0+ Oct 26, 2026
Sound Meter: Decibel & Noise NEW Tools โ€” 0+ Nov 2, 2026
Focus Room: Pomodoro Timer NEW Productivity โ€” 0+ Nov 2, 2026
ID Photo Maker: Passport Print NEW Photography โ€” 0+ Nov 3, 2026
Work Hours Tracker & Pay NEW Productivity โ€” 0+ Nov 4, 2026
Revive: Restore Old Photos NEW Photography โ€” 0+ Nov 7, 2026
Trace Drawing: AR Light Box NEW Art & Design โ€” 0+ Nov 7, 2026
Speaker Cleaner: Water Eject NEW Tools โ€” 0+ Nov 9, 2026