Comparison

Fluid Time vs Calkillator

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

Head to head
About

Fluid Time

Experience a unique digital clock with mesmerizing liquid animations that make numbers flow like water. Track current time or use the countdown feature for events and deadlines with a minimalist, futuristic design.

Highlights
  • Liquid flow number animations
  • Countdown mode for events
  • Minimalist and clean interface
  • Visually stunning time display
  • Futuristic and captivating effect
Features
Read full description

Welcome to Fluid Time – A Stunning Liquid Flow Digital Clock with Countdown Feature! Fluid Time is a unique digital clock app that combines traditional numeric displays with mesmerizing liquid flow animations, offering a visually stunning experience. Each number flows smoothly across the screen like liquid, creating a futuristic and captivating effect, as if time is flowing through your fingertips. Whether placed on your desk or used as your go-to clock tool, Fluid Time adds a touch of technology and art to your everyday routine. Key Features: Liquid Flow Display: Unique liquid animations transform static numbers into a dynamic visual experience, breaking away from traditional clock designs. Countdown Mode: In addition to displaying the current time, Fluid Time now features a countdown mode, letting you visually track time as it flows down to any event or deadline. Minimalist Design: A clean interface combined with visually smooth numeric effects for easy viewing and use. Versatile for Any Setting: Whether for work, study, everyday use, or counting down to a special moment, Fluid Time provides accurate time with an impressive visual experience. Download Fluid Time now and experience the beauty of flowing time – and count down to your next big moment!

About

Calkillator

Features
Read full description

All calculator apps are the same? THAT'S NOT TRUE —! Meet Calkillator — the calculator that understands your voice. Instead of tapping buttons one by one, simply say what you want to calculate. "Subtract 3,500 from 20,000." That's it. No typing. No complicated formulas. Just speak, and Calkillator does the math instantly. Key Features • Voice Calculation — Calculate naturally using your voice in Korean, English, Japanese, Chinese, Spanish, and Thai. • Natural Currency Questions — Just ask, "How much is 1 dollar in Korean won?" and Calkillator understands and converts instantly — no typing, no separate converter screen. • 5 Everyday Tools — Percentage, tip calculator, unit converter, BMI calculator, and currency converter, all built in. Try them free for 7 days. • Scientific Calculator Mode — Go beyond basic calculations with trigonometric functions, logarithms, exponents, roots, constants, parentheses, and more. • Powerful Expression Engine — Supports addition, subtraction, multiplication, division, parentheses, operator precedence, and complex mathematical expressions. • Export & Share History — Save your calculation history as a text file or share it instantly. • Clean Dark UI — Fast, simple, and distraction-free design optimized for everyday use. • Privacy First — No ads. No tracking SDKs. No data sent to servers. Built to Keep Getting Better Calkillator's voice recognition will continue to evolve. We're continuously improving the voice recognition engine to better understand natural expressions, different speaking styles, and real-world calculation scenarios — including everyday currency questions like "How much is that in dollars?" The calculator you buy today will keep getting smarter. Calkillator Minions (In-App Purchase – $0.99) Unlock Voice Input and all 5 everyday tools — plus PRO features — with a single one-time purchase. Pay once. Use forever.

Screenshots

Fluid Time2 screens
Calkillator4 screens

Verdict

The call

The clearest difference is update cadence: Fluid Time at daily against Calkillator's monthly. On price, ads, 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

Both are free to download. Fluid Time sells 1 one-off in-app purchase and Calkillator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fluid Time ships an update daily, Calkillator monthly. Both last shipped on October 19, 2026.

Scorecard1 real difference · 8 level
Fluid Time versus Calkillator: the parameters behind the verdict, then further details
ParameterFluid TimeCalkillator
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyDaily — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size40 MB25 MB
Age rating4+4+
Developer广州两仪软件有限公司221B STUDIO

In-app purchases

1 purchases

Fluid Time

One-time1
  • Fluid Time Premium$1.99
1 purchases

Calkillator

One-time1
  • Calkillator Minions$0.99

Questions

Is Fluid Time free?
Fluid Time is free to download, with in-app purchases available.
Is Calkillator free?
Calkillator is free to download, with in-app purchases available.
Do Fluid Time or Calkillator have ads?
Neither Fluid Time nor Calkillator shows ads.
Which is updated more often, Fluid Time or Calkillator?
Fluid Time ships an update daily, and Calkillator monthly. Most recently, Fluid Time was updated on October 19, 2026 and Calkillator on October 19, 2026.

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