Blueline

Name: Blueline
Author: Robert Wallis

Robert Wallis

⬇ 5,000+ downloads

Est. actual: 7,703

Free

Released: Jun 6, 2015

No in-app purchases

No ads

Signals

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

📈Last 7 days +17 installs — 41% slower than the week before (+29) · 3/day since Oct 9
🏆Among Books & Reference apps top 23% by installs gained this week (293 peers growing)
🛠Updates quiet · updated 85 days ago

Installs since launch

+82 installs since Oct 9

Update history

6.5.8 Aug 21, 2026 · seen Oct 21, 2026

Update to the latest Android SDK.

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

Blueline is a books & reference app by Robert Wallis with 5,000+ downloads (about 7.7K estimated). +17 installs in the last 7 days. Released Jun 6, 2015. Install growth, rank history, SDKs and ad networks.

From the store listing: “Method information for bellringers.”