Comparison

Calculator° HD vs Pixel Clock

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

Head to head
About

Calculator° HD

This utility app offers a user-friendly and aesthetically pleasing calculator experience specifically designed for iPads. It supports handwriting input and includes a range of scientific functions for complex calculations.

Highlights
  • Handwriting support
  • Scientific functions
  • iPad optimized design
  • User-friendly interface
  • Aesthetic design
Read full description

Calculator HD is designed for iPad , usablility and beauty in mind... FEATURES: -Supprots handwriting -Support many scientific functions Enjoy the Free Caculator.

About

Pixel Clock

Features
Read full description

Make time a little more playful with Pixel Clock - Grid, a landscape pixel clock for your desk, nightstand or wall. NEW: CYBER CITY Watch the time on a giant billboard in a living neon city, with flying traffic, rain, glowing windows and a cozy window view with a sill you can play with. Turn on Music Visualizer and the city pulses to the sound around you. Cyber City is a premium face: try it free for 24 hours, then unlock it forever with a one-time purchase. No subscription. CLASSIC (FREE) Animated pixel digits with customizable colors, backgrounds and themes, a moving RGB border, falling-digit transitions, heart balloons when you shake, and a weekday indicator. DUAL TIME (FREE) See a second time zone side by side, adjust its offset, and enjoy shatter-and-restore effects and a seconds progress bar. MAKE IT YOURS 12/24-hour time, seconds, date, weekday and battery display, in 13 languages. Works on iPhone and iPad. The microphone is used only for Music Visualizer. Sound is analyzed on your device and never recorded.

Screenshots

Pixel Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator° HD at none against Pixel Clock's 2. Calculator° HD also leads on iOS requirement (9.0 vs 15.0). Pixel Clock's advantage is update cadence (weekly vs every 74 months) and device support (3 vs 1). On price and ads 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. Pixel Clock sells 2 one-off in-app purchases. Calculator° HD asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator° HD ships an update every 74 months, Pixel Clock weekly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator° HD versus Pixel Clock: the parameters behind the verdict, then further details
ParameterCalculator° HDPixel Clock
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 74 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size20 MB100 MB
Age rating4+4+
Developer宗明 杨YIMING SHI

In-app purchases

None

Calculator° HD

No in-app purchases

2 purchases

Pixel Clock

One-time2
  • Cyber City 1-day TrialFree
  • Cyber City – Unlock Forever$2.99

Questions

Is Calculator° HD free?
Calculator° HD is free to download, with no in-app purchases.
Is Pixel Clock free?
Pixel Clock is free to download, with in-app purchases available.
Do Calculator° HD or Pixel Clock have ads?
Neither Calculator° HD nor Pixel Clock shows ads.
Which is updated more often, Calculator° HD or Pixel Clock?
Calculator° HD ships an update every 74 months, and Pixel Clock weekly. Most recently, Calculator° HD was updated on November 1, 2026 and Pixel Clock on November 4, 2026.

Other comparisons