What is Smart Protractor's rating?

Smart Protractor is rated 4.0 stars across 18,134 ratings on the Play Store.

Who makes Smart Protractor?

Smart Protractor is published by Smart Tools co., launched on Sep 11, 2010.

Where does Smart Protractor rank in its category?

Smart Protractor ranks #3912 of 77129 apps in Tools, putting it in the top 5.1% by revenue.

Is Smart Protractor growing?

Smart Protractor is stable: ratings volume grew 0.1% over the last 30 days, a useful proxy for active user acquisition.

How much does Smart Protractor earn?

Q: How much does Smart Protractor earn?

Smart Protractor earns approximately 1.3K per month based on bumetric's ML revenue forecast, calibrated against 77129 comparable Android apps in Tools.

Android app from Smart Tools co. · Tools

ML forecast ★ 4.0 · 18K → Stable Free

~1.3K/mo

ML revenue forecast. Calibrated against 77129 apps in this category.

Confidence band

±15%

High — many comparable apps with verified data

At a glance

Earns 7.03× more than the category median (189/mo).
Ranks #3,912 of 77,129 in Tools (top 5.1% by revenue).
Launched Sep 11, 2010 · last updated Jun 02, 2026.

What the app looks like

Live screenshots from the Play Store, captured by our snapshot worker. Tap any image to enlarge.

Smart Protractor's revenue trajectory

Forecast revenue from snapshot history. Last 2 months.

Where Smart Protractor sits in Tools

Revenue distribution of 77129 comparable apps. Smart Protractor highlighted.

Smart Protractor vs comparable apps

Revenue trajectory side-by-side. Bold = Smart Protractor, ghosted = peers.

App spec

Version

1.6.4

Last update

Jun 02, 2026

Launched

Sep 11, 2010

Price

Free

Monetization

Free

What Smart Protractor actually does (from store listing)

Smart Protractor is in the 1st set of the Smart Tools collection. This app measures the angle and the slope of an object. It has three protractor modes. 1. Touch mode : for angle. After putting an object on the screen, touch the screen. 2. Plumb mode : for slope. A weight shows the slope of your device. 3. Camera mode : goniometer, inclinometer. It uses camera view. * Main features: - Tilt units (degree, percent, radian) - Zero calibration - Orientation sensor on/off - Material de…

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Comparable Android apps

The five apps in Tools with the closest revenue to Smart Protractor. Click any to see its detail page.

App	Revenue	Rating	Ratings
RealMax Scientific Calculator	1.3K	★ 4.3	18K
My Backup	1.3K	★ 4.2	19K
Calculator	1.3K	★ 4.3	17K
ALZip – File Manager & Unzip	1.3K	★ 3.8	19K
Agerigna Amharic Keyboard	1.3K	★ 4.4	16K

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How we calculated this

Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag. The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR. Every number on this page comes from public APIs and bumetric's own snapshot history.

Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors. See also the live data on Smart Protractor's tracker page for current rating, reviews and snapshot timeline.

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