BLACK.

Name: BLACK.
Author: heptagram

heptagram

⬇ 1,000+ downloads

Est. actual: 2,578

Free

Released: May 9, 2025

No in-app purchases

Contains ads

Signals

3 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +37 installs — 14% slower than the week before (+43) · 3/day since Oct 7
🏆Among Books & Reference apps top 17% by installs gained this week (426 peers growing)
🛠Updates dormant · updated 471 days ago

Installs since launch

+112 installs since Oct 7

Update history

1.2.5 Jul 29, 2025 · seen Oct 20, 2026

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

BLACK. is a books & reference app by heptagram with 1,000+ downloads (about 2.6K estimated). +37 installs in the last 7 days. Released May 9, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “Ultimate Learning App”