Comparison

FunctionCalc vs kong calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FunctionCalc

This all-in-one utility app helps veterans calculate VA disability benefits, track important dates, and perform everyday calculations. It includes a tip splitter, unit converter, and a powerful calculator with saved formulas.

Highlights
  • VA disability benefit calculator
  • Date countdown and elapsed time tracker
  • Tip calculator and bill splitting
  • Unit and currency converter
  • Time math and custom formulas
  • Full calculation history
Features
Read full description

VA disability calculator, date tracker, tip splitter, unit converter, and powerful everyday calculator in one app. Built for veterans and useful for everyone, this all-in-one toolkit helps you calculate VA disability benefits, track important dates, do time math, split bills, convert units and currency, and save formulas you use again and again. Whether you are planning a new claim, checking a countdown, or solving everyday math faster, everything is in one clean, easy-to-use app. VA Disability Calculator Enter your service-connected ratings and instantly see your combined disability rating using the official VA combined rating method, rounded the way the VA does it. Estimate monthly compensation based on your rating, dependents, marital status, and spouse Aid & Attendance eligibility. Create what-if scenarios by adding, removing, or changing ratings to see how a new claim, rating increase, appeal, or dependent update could affect your monthly pay before you file or submit changes. Date Calculator Track the time to or from any date that matters. Save sobriety milestones, anniversaries, retirement countdowns, due dates, memorial dates, birthdays, and more. See a live breakdown in years, months, days, hours, minutes, and seconds. Tap any unit to view the full span as a single total, including total days or total hours. Calculator Use a full-featured calculator with a clean interface, live results, and full history. See your complete expression as you type and get answers fast. Tip Calculator Calculate tips and split the bill in seconds. Choose your tip, select the number of people, and instantly see accurate per-person totals. Time Math Work with time the way you think. Enter values like 1:45, use them in calculations, and convert between time format and decimals with one tap. Function Calculator Access thousands of conversions and formulas in one place. Convert length, mass, volume, temperature, speed, area, data storage, and more, including live currency exchange rates. Browse built-in formulas or create your own custom formulas and save them for quick access. Why you'll love it: • VA combined rating calculator with estimated monthly compensation • What-if VA disability scenarios for ratings and dependent changes • Date countdowns and elapsed time tracking • Tip calculator and bill splitting • Time-format math • Unit conversions and live currency rates • Custom formulas and quick access favorites • Full calculation history • Clean dark interface • No ads. No subscriptions.

About

kong calculator

Features
Read full description

It is a simple calculator that provides a calculation history function.

Screenshots

FunctionCalc4 screens
kong calculator2 screens

Verdict

The call

The clearest difference is price: kong calculator at Free against FunctionCalc's $0.99. kong calculator also leads on iOS requirement (15.0 vs 26.2). FunctionCalc's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

kong calculator is free to download; FunctionCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FunctionCalc ships an update weekly, kong calculator every 4 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
FunctionCalc versus kong calculator: the parameters behind the verdict, then further details
ParameterFunctionCalckong calculator
Price$0.99Free — better
Rating5.0 (13 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings13 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.215.0 — better
Further details — not scored
Size2 MB20 MB
Age rating4+4+
DeveloperLawler Innovations, IncChangyeol Seo

In-app purchases

None

FunctionCalc

No in-app purchases

None

kong calculator

No in-app purchases

Questions

Is FunctionCalc free?
FunctionCalc costs $0.99, with no in-app purchases.
Is kong calculator free?
kong calculator is free to download, with no in-app purchases.
Do FunctionCalc or kong calculator have ads?
kong calculator shows ads; FunctionCalc does not.
Which is updated more often, FunctionCalc or kong calculator?
FunctionCalc ships an update weekly, and kong calculator every 4 days. Most recently, FunctionCalc was updated on November 2, 2026 and kong calculator on November 3, 2026.

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