Comparison

Mini Chroma Clock vs Cool Penguin Clock

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

Head to head
About

Mini Chroma Clock

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ChromaClock — a color‑coded clock for the rhythm of your day. ChromaClock turns the time on your phone into something you can feel at a glance. Instead of just numbers, the entire screen shifts color throughout the day based on time windows you define — morning yellow, lunchtime green, afternoon blue, evening red, or whatever fits your life. It's a beautifully simple bedside clock, desk companion, kitchen timer reference, and gentle daily rhythm — all in one. HOW IT WORKS • Set up to four time slots, each with a custom start time, end time, message, and background color. • When the clock enters a slot, the background and greeting change automatically. • Outside of any scheduled slot, a default "in‑between" color takes over. • That's it — no accounts, no setup beyond your slots. WHAT YOU SEE • Big, easy‑to‑read time in a rounded display • The full date — day of the week, month, day, year • A friendly greeting you write yourself ("Good Morning", "Time to focus", "Wind down") • Current weather for your location, right in the corner WEATHER, WITHOUT THE FUSS Tap the weather chip to see live conditions and temperature for where you are. Tap again to refresh. Weather data comes from the free, open Open‑Meteo service — no accounts, no tracking, just the forecast. PERFECT FOR • A bedside clock that signals morning vs. late evening at a glance • A desk clock that reminds you when it's lunchtime or time to log off • A kitchen or family clock with messages everyone in the house can read across the room • Kids learning the rhythm of a school day, before they can read a clock • Anyone who wants a calmer, more colorful way to keep time THOUGHTFULLY MADE • Built entirely in modern SwiftUI for iOS • Big, accessible type with high‑contrast color backgrounds • Landscape support — great when propped on a stand or dock • Dark, screen‑friendly design • No ads. No tracking. No accounts. Your settings stay on your device. Set it once, prop it up, and let your day take on a little color.

About

Cool Penguin Clock

Features
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How about a cool penguin clock for the hot summer? You can choose from 20 different pictures of penguins. You can move the time text, analog clock, and penguin with your fingers. The analog clock and penguin can be zoomed in and out with two fingers. Seconds can also be displayed. Background color can be selected from 5 different colors. The year, month, day of the week, a.m./p.m., and seconds can be erased by touching them. Touching the time character switches to setting mode. When in setting mode, touch to change the year, month, and date to various formats. You can also switch between 12-hour and 24-hour displays. Screen rotation in portrait and landscape mode is also supported. By pressing buttons such as "2X" and "3X," the font size can be adjusted in steps. The time signal can be selected from 78 different tones.

Screenshots

Mini Chroma Clock2 screens
Cool Penguin Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Mini Chroma Clock at none against Cool Penguin Clock's 1. Mini Chroma Clock also leads on ads (none vs shown). Cool Penguin Clock's advantage is update cadence (every 3 weeks vs every 54 months) and iOS requirement (12.0 vs 26.0). On price 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. Cool Penguin Clock sells 1 one-off in-app purchase. Mini Chroma Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Mini Chroma Clock ships an update every 54 months, Cool Penguin Clock every 3 weeks. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

Scorecard4 real differences · 2 level
Mini Chroma Clock versus Cool Penguin Clock: the parameters behind the verdict, then further details
ParameterMini Chroma ClockCool Penguin Clock
PriceFreeFree
Update frequencyEvery 54 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS26.012.0 — better
Further details — not scored
Size1 MB27 MB
Age rating4+4+
DeveloperDavid MickeyMihoko Araki

In-app purchases

None

Mini Chroma Clock

No in-app purchases

1 purchases

Cool Penguin Clock

One-time1
  • Penguin Clock with no ads$1.99

Questions

Is Mini Chroma Clock free?
Mini Chroma Clock is free to download, with no in-app purchases.
Is Cool Penguin Clock free?
Cool Penguin Clock is free to download, with in-app purchases available.
Do Mini Chroma Clock or Cool Penguin Clock have ads?
Cool Penguin Clock shows ads; Mini Chroma Clock does not.
Which is updated more often, Mini Chroma Clock or Cool Penguin Clock?
Mini Chroma Clock ships an update every 54 months, and Cool Penguin Clock every 3 weeks. Most recently, Mini Chroma Clock was updated on September 18, 2026 and Cool Penguin Clock on September 11, 2026.

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