Smart Ruler

Name: Smart Ruler
Rating: 3.56 (13195 reviews)
Author: Smart Tools co.

Smart Tools co.

★ 3.6 (13,195 ratings)

⬇ 1,000,000+ downloads

Est. actual: 4,096,586

Free

Released: Jun 13, 2010

No in-app purchases

Contains ads

Rated: Everyone

Signals

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

📈Last 7 days +12 installs — 20% faster than the week before (+10) · 1/day since Oct 1
🏆Among Tools apps top 36% by installs gained this week (1278 peers growing)
⭐Rating steady at ★ 3.56 since Oct 1
🛠Updates quiet · updated 115 days ago

Installs since launch

+49 installs · -22 ratings since Oct 1

Update history

1.7.3 Jul 20, 2026 · seen Oct 1, 2026

- v1.7.3 : Scale<br>- v1.7.2 : More models are calibrated

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

Trailer

Smart Ruler is a tools app by Smart Tools co. with 1,000,000+ downloads (about 4.1M estimated). +12 installs in the last 7 days. Rated 3.6 from 13K ratings. Released Jun 13, 2010. Install growth, rank history, SDKs and ad networks.

From the store listing: “Smart Ruler is in the 1st set of the Smart Tools collection. This app measures the length of a small object by touching the screen. Usage is very simple. 1. Put an object on the screen of your device. 2. Adjust the object to the left of the screen. 3. Touch the screen, adjust the red line and read the length. *…”