DecimalClock vs Polaris
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
DecimalClock
Read full descriptionHide full description
DecimalClock is more than a clock β itβs an idea that challenges routine. Experience a day divided into 10 hours, 100 minutes per hour, and 100 seconds per minute. It blends classic and decimal time in one calm, minimalist space where design meets precision. β’ Classic and decimal time modes β’ Full-screen mode for both analog and digital clocks β’ Converter between classic and decimal time β’ Customizable colors and fonts β’ Works offline β no ads, no distractions β’ Optimized for iPad β’ Educational tool for schools and curious minds In 1793, France introduced decimal time as a bold experiment. Now, it returns β reimagined for today, in the palm of your hand.
Polaris
Read full descriptionHide full description
Polaris turns the night sky as it actually looks from where you are into a living Home Screen widget β a quiet planetarium clock. β A real sky It plots ~9,000 stars from the Yale Bright Star Catalog, computed from your chosen city's latitude, longitude and sidereal time, so what's rising and where is faithful to the real sky right now. Star brightness and color (blue-white to orange) are true to life. No location permission needed β just pick a city. β Clock & calendar Layer an analog clock (10 frames Γ 5 hands Γ date fonts) or a digital clock (8 typefaces) over the stars. A monthly calendar and a corner date/weekday are available too. β More of the sky β’ Shooting stars streak by now and then β’ Star names label the bright ones β Sirius, Vega, and more β’ Constellation lines connect figures like Orion and the Big Dipper β Widgets Small, medium, large and extra-large are all supported. Each size saves its own design, so you can compose your Home Screen exactly how you like. There's also a clock-free "sky only" widget. β Details β’ Pure black background β quiet and striking on OLED β’ Switch between English and Japanese inside the app β’ 39 cities worldwide, plus automatic detection A bedside clock. The centerpiece of your Home Screen. The night sky, always in your hand.
Screenshots
Verdict
The clearest difference is price: Polaris at Free against DecimalClock's $2.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Polaris is free to download; DecimalClock costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | DecimalClock | Polaris |
|---|---|---|
| Price | $2.99 | Free β better |
| Update frequency | Weekly | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 β better | 17.0 |
| Further details β not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Kaspars Sops | Ryohei Horiuchi |
In-app purchases
DecimalClock
No in-app purchases
Polaris
No in-app purchases
Questions
Is DecimalClock free?
Is Polaris free?
Do DecimalClock or Polaris have ads?
Other comparisons















