Juan Qin

How this developer operates

• Carrier title Math 24 Solver holds 96% of the developer's installs — a one-app developer
• Hit rate 0% of launches reach 100k installs (0 of 2 at least 30 days old)
• Release rhythm a new app every ~2.5 years on average
• Maintenance 0 of 2 apps updated in the last 90 days · last update 233 days ago

All apps

App	Style	Rating	Installs	Released
Math 24 Solver	Tools	—	500+	Jul 24, 2023
Handwriting Dictation：英语单词默写本	Education	—	10+	Jan 23, 2026