Synaptyx

How this developer operates

• Carrier title Listen and Write - Learning En holds 89% of the developer's installs — a one-app developer
• Hit rate 0% of launches reach 100k installs (0 of 4 at least 30 days old)
• Release rhythm a new app every ~1.9 years on average
• Maintenance 0 of 4 apps updated in the last 90 days · last update 205 days ago

Same company, other accounts · Nguyễn Đức Hoàng

Developer names that share this developer's legal name, contact e-mail or website in the store.

Listings that changed hands

App	Direction	Counterparty	When
Lettio: Learn French by News	→ handed over	2sbrain	Oct 31, 2026
CILS B1 Cittadinanza: Prufio	→ handed over	2sbrain	Oct 31, 2026
Einbürgerungstest 2026: LiD	→ handed over	2sbrain	Oct 22, 2026
Prufio Sprechen: Speak German	→ handed over	2sbrain	Oct 17, 2026
Scanly: PDF Scanner & Editor	→ handed over	2sbrain	Oct 17, 2026

All apps

App	Style	Rating	Installs	Released
Listen and Write - Learning En	Education	—	1,000+	Jul 4, 2020
Daily Dictation – English	Education	—	100+	Mar 9, 2026
Translate Pilot	Education	—	10+	Apr 5, 2026
English Grammar - Ngữ pháp	Education	—	5+	Mar 9, 2026