세이고(SAYGO) 4.0

Name: 세이고(SAYGO) 4.0
Author: SAYPEN

SAYPEN

⬇ 5,000+ downloads

Est. actual: 8,762

Free

Released: Nov 2, 2025

No in-app purchases

No ads

Rated: Everyone

Signals

3 this week · 2 positive All of this week's signals →

📈Last 7 days +320 installs — 32% faster than the week before (+243) · 28/day since Oct 2
🏆Among Education apps top 2% by installs gained this week (2143 peers growing)
🛠Updates quiet · updated 80 days ago

Installs since launch

+1,081 installs since Oct 2

Update history

1.4.5 Aug 25, 2026 · seen Oct 2, 2026

Only the current version so far — new entries appear as the app ships updates.

세이고(SAYGO) 4.0 is an education app by SAYPEN with 5,000+ downloads (about 8.8K estimated). +320 installs in the last 7 days. Released Nov 2, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “An app that lets you watch Saybook videos on your smart device anytime, anywhere SAYGO has been upgraded to version 4.0! ■ Convenient streaming without downloads You can listen to audio immediately without downloading SayPen audio files, and experience immersive learning by watching educational video content right…”