Smart Ruler
kr.sira.ruler
FreeContains adsEveryone
Key numbers
1M+Installs
3.6 / 13KRating
Jun 14, 2010Released
Jul 20, 2026Updated
Listing text
Measure the length of a small object with your phone.
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.* Main features :- Multi-touch- Meter <-> Inch- Background color- Material designI calibrated the app on a l…
Get this app from the API
curl -H "X-API-Key: $API_KEY" \ "https://apiplay.net/api/v1/app?id=kr.sira.ruler"
import requests
r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'kr.sira.ruler'},
headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()const res = await fetch('https://apiplay.net/api/v1/app?id=kr.sira.ruler', {
headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();$ch = curl_init('https://apiplay.net/api/v1/app?id=kr.sira.ruler');
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.ruler |
|---|---|
| Developer | Smart Tools co. |
| Developer website | smart-tools.biz |
| Category | Tools |
| Installs (exact) | 4,096,574 |
| Ratings | 13,207 |
| Reviews | 546 |
| Price | Free |
| In-app purchases | No |
| Ads | Yes |
| Content rating | Everyone |
| Current version | 1.7.3 |
| Requires Android | 6.0 |
| Released | Jun 14, 2010 |
| Last update | Jul 20, 2026 |
| Record refreshed | Oct 27, 2026 |
Rating breakdown
56.6K
41.6K
3922
2789
13.3K
