Smart Protractor

kr.sira.protractor
FreeContains adsEveryone

Key numbers

5M+Installs
4.0 / 18KRating
Sep 11, 2010Released
Oct 6, 2026Updated

Listing text

Measure the angle and slope of an object with your phone.

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)-…

Get this app from the API

curl -H "X-API-Key: $API_KEY" \
  "https://apiplay.net/api/v1/app?id=kr.sira.protractor"
import requests

r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'kr.sira.protractor'},
                 headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()
const res = await fetch('https://apiplay.net/api/v1/app?id=kr.sira.protractor', {
  headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();
$ch = curl_init('https://apiplay.net/api/v1/app?id=kr.sira.protractor');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);

1,000 free credits a month, no card needed. API reference

Screenshots

Fields in the API response

Package namekr.sira.protractor
DeveloperSmart Tools co.
Developer websitesmart-tools.biz
CategoryTools
Installs (exact)5,190,887
Ratings18,123
Reviews333
PriceFree
In-app purchasesNo
AdsYes
Content ratingEveryone
Current version1.6.5
Requires Android7.0
ReleasedSep 11, 2010
Last updateOct 6, 2026
Record refreshedOct 28, 2026

Rating breakdown

512K
41.4K
31.1K
2534
13.1K

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