Speed Calculator

Name: Speed Calculator
Author: blackstar

Liveblackstar169 apps · 1.1M installsToolsFree · contains adsIn-app purchases: $0.99 - $7.49 per itemcom.blackstar.apps.speedcalculator

Speed calculator can check unit conversion calculations.

Alert me ★ Watch Open in Play ↗

Total installs: 3,993
Installs / day: +1
Rating: —★
Released: 7 Dec 2023
Last update: 28 Jul 2026
Countries: —

Installs per day

gain of the exact counter

Lifetime avg ≈ 4/day (all installs ÷ days since release)

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play

3dAll

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

Shares data with third parties App info and performance and Device or other IDs
No data collected
Data is encrypted in transit
No way to ask for data deletion

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

5 in 1 group

0 Sensitive1 Notable4 Routine

OtherNotable5

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Read more · all 5 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

Check unit conversion calculations with the speed calculator. main function : ● You can check the unit conversion calculation results. ● Unit information can be saved and managed in advance. ● You can conveniently perform unit conversion calculations by loading saved unit information. [Unit conversion support range] - m/s - m/h - km/s - km/h - in/s - in/h - ft/s - ft/h - mi/s - mi/h - knot(kn) - mach * Enter the number to be converted, or select the current unit and unit to be converted, and the resulting value will automatically change.

What's new

• Bug fixes and stability improvements

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