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 name | kr.sira.protractor |
|---|---|
| Developer | Smart Tools co. |
| Developer website | smart-tools.biz |
| Category | Tools |
| Installs (exact) | 5,190,887 |
| Ratings | 18,123 |
| Reviews | 333 |
| Price | Free |
| In-app purchases | No |
| Ads | Yes |
| Content rating | Everyone |
| Current version | 1.6.5 |
| Requires Android | 7.0 |
| Released | Sep 11, 2010 |
| Last update | Oct 6, 2026 |
| Record refreshed | Oct 28, 2026 |
Rating breakdown
512K
41.4K
31.1K
2534
13.1K