Best K4 Tools alternatives: apps like K4 Tools

10+ similar apps compared and reviewed

4.3 avg rating
9 free apps
Updated November 2026

Whether you want more options like K4 Tools or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to K4 Tools

Fuel Density Calculation#2

Fuel Density Calculation by Richard Montoya

Fuel Load Verification
Strong Contender
🔧 Utilities
5.0(2 ratings)
$2.99
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This utility app assists wide-body aircrews, specifically for Boeing and Airbus aircraft, in comparing uploaded fuel quantities with actual fuel on board. It incorporates density calculations for accurate fuel management.

Flight-Time#3

Flight-Time by Pedro Jose Villarroel Cuevas

Time Calculations for Pilots
Worth Considering
🔧 Utilities
4.4(11 ratings)
FreeIn-App Purchases
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This app assists pilots and flight crews with accurate time tracking for flights. It calculates elapsed time, flight logs, and flight plan segments, offering a clean interface for professional use. A subscription is required for full access.

More apps like K4 Tools

4
ACN/PCN Calculator
ACN/PCN Calculator
ACN/PCN Calculator
Aircraft PCN limitation check
Free

This app calculates aircraft pavement classification numbers (PCN) and aircraft classification numbers (ACN) to assess airport pavement strength. It helps pilots and aviation professionals ensure safe operations by verifying aircraft weight limitations on runways, taxiways, and aprons.

ACN/PCN calculationPavement strength evaluationAircraft weight verification
🔧 Utilities
(144)
free with in-app purchases
5
ACR/PCR Calculator
ACR/PCR Calculator
ACR/PCR Calculator
Efficient ACR/PCR Limit Calc
Free

This tool calculates aircraft pavement compatibility using both the new ACR-PCR and legacy ACN-PCN systems. It helps determine maximum aircraft weights for specific pavements and generates detailed reports.

ACR-PCR and ACN-PCN system supportDetermine maximum aircraft weightsSwitch between calculation systems
🔧 Utilities
(7)
free with in-app purchases
6
Zulu Time Now - UTC GMT Clock
Zulu Time Now - UTC GMT Clock
Zulu Time Now - UTC GMT Clock
UTC Widget for Pilot, Military
Free

This app displays Zulu time (UTC/GMT) alongside your local time, with customizable formats and widgets for easy access. It's designed for pilots, military personnel, and anyone needing precise global timekeeping.

Zulu and local time displayAdjustable time by slidingApple Watch app and complications
🔧 Utilities
(846)
free with in-app purchases
7
Pilot Time
Pilot Time
Pilot Time
by WillowRoot Apps, LLC.
Free

Instantly view local, military, and UTC time with a tap. Developed by pilots, this app eliminates mental time conversions by displaying current and past/future times across various time zones. Easily select continents and cities for quick comparisons.

View local, military, and UTC timeCompare current location time to UTCDisplay frequently used time zones
🔧 Utilities
(19)
free
8
LogTen Pilot Logbook
LogTen Pilot Logbook
LogTen Pilot Logbook
Digital Electronic Flight Log
Free

This digital flight logbook helps pilots track flight hours, currency, and certificates. It offers automated data entry, powerful analytics, and career advancement tools. Free for the first 50 hours of flight time.

Lightning-fast data entryAutomated and customizable loggingSyncs across all devices
🔧 Utilities
(10K)
free with in-app purchases
9
TheFlightWall
TheFlightWall
TheFlightWall
Configure your FlightWall
Free

Easily set up and customize your FlightWall device. Configure location, aircraft filters, display layouts, and track individual flights to visualize air traffic around you.

Configure locationAircraft filtersDisplay layout settings
🔧 Utilities
(110)
free
10
Pokefi
Pokefi
Pokefi
by SMARTGO WORLDWIDE INC.
Free

Manage your pocket WiFi device, check status, buy data packages, and customize hotspot settings. Securely share WiFi access and block unwanted devices. Stay updated with news and offers.

Check device info, network, and battery statusBuy and top up data packages instantlyCustomize hotspot name and password
🔧 Utilities
(0)
free