512

Knife.io

LiveMetajoy34 apps · 134M installsArcadeFree · contains adsIn-app purchases: $2.99 - $9.99 per itemcom.sleeeeepfly.knife.io

Fight with lots of knives!

Alert me★ WatchOpen in Play ↗
Total installs
2,598,628
exact · Play shows 1,000,000+
Installs / day
+88
7-day avg · last day +144
Rating
3.7★
6.8K ratings · 160 reviews
Released
30 Jan 2019
7.7y ago
Last update
3 Sept 2026
v2.2.13 · 1mo ago
Countries
—
not checked yet

Installs per day

gain of the exact counter
025507510012515012 Oct13 Oct

Daily tracking since 11 Oct 2026 · history grows every day

Install history

exact counter from Google Play
2,598,4002,598,5002,598,6002,598,70011 Oct12 Oct13 Oct
00.5M1.0M1.5M2.0M2.5M3.0M30 Jan 201911 Oct 202613 Oct 2026

Dashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day

Daily tracking since 11 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

estimate · charts of 13 Oct

Most downloads likely come from 🇵🇱 Poland (~100%).

  1. Poland100%#12 Trending · Arcade games

Estimated from top-chart positions weighted by each country’s Google Play market size. Countries where the app is not in a chart are not shown, so small markets may be missing.

Top chart positions

as of 13 Oct
ChartCountryRankChange
Trending · Arcade games PL#12▼ 8
Top free · Arcade games PL#109—

App manifest

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

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • Shares data with third parties Location, App info and performance, and Device or other IDs
  • Collects data Location, Personal info and 4 others
  • Data is encrypted in transit
  • You can ask for your data to be deleted

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

11 in 4 groups
2 Sensitive3 Notable6 Routine

What this app can do with your phone

  • Read photos, videos, and other files saved in your phone's shared storage
Photos/Media/FilesSensitive1

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
StorageSensitive1

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherNotable8

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

  • Connect to or disconnect from Wi-Fi networks and change saved Wi-Fi settingsconnect and disconnect from Wi-Fi · CHANGE_WIFI_STATE
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Download files in the background without showing you a download notificationdownload files without notification · DOWNLOAD_WITHOUT_NOTIFICATION
  • 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
  • Make your phone vibratecontrol vibration · VIBRATE
  • Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

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

Screenshot 1 Download
Screenshot 2 Download
Screenshot 3 Download
Screenshot 4 Download
Screenshot 5 Download
Screenshot 6 Download
Screenshot 7 Download
Screenshot 8 Download
Full description
The most addictive and innovative io game! Pick up knives and wrap them around yourself to fight with other guys in the arena. Use both offensive and defensive modes to defeat your enemies smartly! How to Play *Hold&drag to move and attack enemies! *Release to enter defensive mode Designed by Sleeeeepfly Studios from China

What's new

1. Fix some minor bugs 2. Optimize the gameplay Join the battle now!

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