Borescope ET20 icon

Borescope ET20

Klein Tools, Inc.

★ 3.0 (172 ratings)

⬇ 100,000+ downloads

Est. actual: 101,529

Free

Released: Mar 6, 2019

No in-app purchases

No ads

Signals

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

📈Last 7 days +127 installs — 32% slower than the week before (+188) · 17/day since Oct 7
🏆Among Tools apps top 13% by installs gained this week (1278 peers growing)
⭐Rating steady at ★ 3.01 since Oct 7
🛠Updates dormant · updated 352 days ago

Installs since launch

+568 installs · 0 ratings since Oct 7

Update history

4.0.2 Nov 24, 2025 · seen Oct 21, 2026

v4.0.2

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

Borescope ET20 is a tools app by Klein Tools, Inc. with 100,000+ downloads (about 102K estimated). +127 installs in the last 7 days. Rated 3.0 from 172 ratings. Released Mar 6, 2019. Install growth, rank history, SDKs and ad networks.

From the store listing: “App to be used with Klein Tools' Borescope ET20”