Comparison

Leap Year Test vs Digital Sun Dial

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

Head to head
About

Leap Year Test

Features
Read full description

If you want to know, if the year now, a year in the past or a year in the future is, was or will be a leap year, this little App could be helpful. You can check years between 0 and 3000.

About

Digital Sun Dial

Features
Read full description

Rediscover Time with Digital Sun Dial Step back into the natural rhythm of time with Digital Sun Dial: a beautifully crafted sundial app for iPhone, iPad, and Apple Watch that brings ancient timekeeping into the palm of your hand. FEATURES: • True Solar Time: See the real time based on the Sun’s position at your location or any time zone you choose. • Interactive Sundial: Watch time unfold on a full 24-hour circular dial that shifts to match your chosen time system. • Customizable Zones: Select any time zone to view solar and standard times around the world. • Astronomical Anchors: View sunrise, sunset, solar noon, and antinoon across all modes. • Halachic Time: Follow sunrise-to-sunset hours in line with the Vilna Gaon’s tradition. • Bohemian (Italic) Time: Explore this sunset-to-sunrise timekeeping tradition from pre-modern Europe. • Dynamic Dial: The sundial adjusts its hour markers automatically based on the selected mode. • Clean, Minimal UI: Designed for clarity and focus, with no clutter or distractions. WHY SOLAR TIME? • Reconnect with Nature’s Clock: Your body responds best to the light of the sun, not the tick of the clock. Use Digital Sun Dial to align your sleep, meals, and mindfulness with your natural circadian rhythm. • Better Sleep, Better Health: Being aware of the true solar day may help you reduce sleep disruption and regain natural energy flow. • Faithful Timekeeping: For Jewish users, Halachic time tracking supports prayer and observance throughout the day. • Steampunk Meets Science: A perfect blend of vintage aesthetics and modern astronomy for time enthusiasts, hobbyists, and curious minds. Whether you’re looking to live more mindfully, observe traditional time systems, or just want a stunning and functional sundial on your wrist or phone, Digital Sun Dial offers a unique, science-backed way to tell time, just as nature intended.

Screenshots

Leap Year Test4 screens
Digital Sun Dial4 screens

Verdict

The call

The clearest difference is price: Leap Year Test at Free against Digital Sun Dial's $1.99. Leap Year Test also leads on iOS requirement (11.0 vs 16.6). Digital Sun Dial's advantage is update cadence (daily vs every 13 months). On 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

Leap Year Test is free to download; Digital Sun Dial costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Leap Year Test ships an update every 13 months, Digital Sun Dial daily. Both last shipped on October 9, 2026.

Scorecard3 real differences · 3 level
Leap Year Test versus Digital Sun Dial: the parameters behind the verdict, then further details
ParameterLeap Year TestDigital Sun Dial
PriceFree — better$1.99
Update frequencyEvery 13 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS11.0 — better16.6
Further details — not scored
Size11 MB49 MB
Age rating4+4+
DeveloperJan-Hendrik von KuickMICHAEL JOHN HAMILTON

In-app purchases

None

Leap Year Test

No in-app purchases

None

Digital Sun Dial

No in-app purchases

Questions

Is Leap Year Test free?
Leap Year Test is free to download, with no in-app purchases.
Is Digital Sun Dial free?
Digital Sun Dial costs $1.99, with no in-app purchases.
Do Leap Year Test or Digital Sun Dial have ads?
Neither Leap Year Test nor Digital Sun Dial shows ads.
Which is updated more often, Leap Year Test or Digital Sun Dial?
Leap Year Test ships an update every 13 months, and Digital Sun Dial daily. Most recently, Leap Year Test was updated on October 9, 2026 and Digital Sun Dial on October 9, 2026.

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