Comparison

Clock and Almanac vs Oak

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

Head to head
About

Clock and Almanac

This app helps you stay connected with people worldwide by providing accurate time zone information, multiple calendar systems, and details on global holidays and working days. Track time, sunrise/sunset, moon phases, and celestial events across different regions.

Highlights
  • World time zones with weather and sun/moon data
  • Multiple calendar systems (Gregorian, Chinese, Islamic, etc.)
  • Global public holidays and working days
  • Astronomical data (sunrise, sunset, moon phases)
  • Celestial events (eclipses, constellations)
  • 24 Solar Terms tracking
Features
Read full description

With the progress of globalization, we communicate with people all over the world more and more frequently. Or your friends and relatives go to work, study and live all over the world. So we need to be concerned about the time and time zone of their city, the calendar and working day arrangements of their country or region, and the national or religious holidays. Clock and Almanac is an APP to help you understand local time zones, world calendars, astronomical yearbooks, global festivals and public holidays. The calendar in the Clock and Almanac supports Gregorian Calendar, Chinese Calendar, Tibetan Calendar, Sexagenary cycle, Indian Calendar, Japanese Calendar, Thai Calendar, Islamic Calendar, Hebrew Calendar, Persian Calendar, and Julian Calendar. The festival supports traditional Chinese festivals, major festivals of Islam, Christianity, Buddhism, Orthodox, Judaism, and international days. Support forty to fifty countries or regions on public holidays and working days. The Clock and Almanac is from time to day, month, year, era, and the time span is from small to large. The Clock and Almanac is divided into the following five parts: 1. Time: Five locations can be added to the list to display time and timezone, real-time weather, sun and moon locations . The world time zone distribution map displays the world day and night distribution in real time. 2. Day: Sunrise, sunset, moonrise, moonset, calendar dates of the day, public holidays on the day 3. Month: World calendars of this month . working day in different countries or regions . the rise and fall of the sun and moon, planets, constellations, major stars. 4. Year: calendar festivals and government public holidays,24 solar terms in a year, changes of moon phase in a year, and solar and lunar eclipses in a year 5. More: app settings and calendar era

About

Oak

Features
Read full description

Oak helps you take control of your tasks, finances, and calories—all in one place. - Stay organized with simple & recurring tasks, complete with smart reminders. - Manage expenses, income & budget effortlessly, including recurring income and payments. - Log meals & track calories with a food database tailored to your diet. Stay productive with reminders, easy tracking, and a planner designed for your daily life. Swipe to edit or delete entries. Take charge today, with support from Oak. The philosophy of Oak 1. Strength & stability The oak tree is known for its resilience, deep roots, and ability to stand firm through any storm. It helps you build solid habits, track your finances, and manage your daily life with reliability and consistency—just like an oak. 2. Growth & progress An oak starts as a small acorn and grows into something mighty. It supports gradual, meaningful progress in tasks, budgeting, and health, ensuring you grow stronger over time. 3. Balance & longevity Oak trees live for centuries, symbolizing endurance and sustainability. Oak app isn’t about quick fixes; it’s about creating lasting habits and systems that stand the test of time. 4. Adaptability & change Oaks endure all seasons, from the fresh energy of spring to the challenges of winter. It allows you to adjust to life’s ups and downs while staying rooted in your goals. Privacy Policy, Terms of Use, EULA: https://robert.si/oak

Screenshots

Clock and Almanac4 screens
Oak4 screens

Verdict

The call

The clearest difference is price: Oak at Free against Clock and Almanac's $0.99. Oak also leads on update cadence (every 3 weeks vs every 19 months). Clock and Almanac's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 26.0). On ads 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

Oak is free to download; Clock and Almanac costs $0.99 up front. Oak sells 3 in-app purchases, starting at $2.99 per month. Clock and Almanac asks for nothing beyond the download.

UpkeepUpdate frequency

Clock and Almanac ships an update every 19 months, Oak every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Clock and Almanac versus Oak: the parameters behind the verdict, then further details
ParameterClock and AlmanacOak
Price$0.99Free — better
Rating4.6 (201 ratings) — better—
Positive reviews63.8% of reviews—
Number of ratings201 — better—
Update frequencyEvery 19 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size11 MB4 MB
Age rating4+4+
Developer雪平 王Petra Cackov

Bugs and requests

Clock and Almanac

Reported bugs

12 issues
  • Hebrew calendar shows wrong month/date
  • App crashes when accessing month and year
  • Location services required for country selection
  • Cannot delete or reorder locations
  • Newly added time entries cannot be deleted
Show 7 more
  • Swipe to delete/move locations does not work
  • Fahrenheit only, no Celsius option
  • Clock hands are unclear
  • Flashing error message
  • Default location is Argentina and cannot be changed
  • Time is incorrect (potentially due to DST)
  • Map resolution is poor, cannot zoom to read city names

Requested features

15 requests
  • Add more widgets (city clock, calendar, weather)
  • Improve map quality and zoom functionality
  • Allow deletion and reordering of locations
  • Add option to display local/city time in fullscreen
  • Add more international events daily
Show 10 more
  • Improve date format to DD/MM/YYYY
  • Add ability to link custom holidays/calendars
  • Add Ethiopian calendar with 13 months
  • Add Gregorian calendar day of the year
  • Add Julian date
  • Improve clarity of clock hands
  • Add Celsius option
  • Add UTC support
  • Add widgets for iPhone
  • Enable zoom on light/darkness map

Oak

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Clock and Almanac

No in-app purchases

3 purchases

Oak

Subscriptions2
  • Monthly Oak Pro$2.991 Month
  • Yearly Oak Pro$19.991 Year
One-time1
  • Lifetime Oak Pro$29.99

Questions

Is Clock and Almanac free?
Clock and Almanac costs $0.99, with no in-app purchases.
Is Oak free?
Oak is free to download, with in-app purchases available.
Do Clock and Almanac or Oak have ads?
Neither Clock and Almanac nor Oak shows ads.
Which is updated more often, Clock and Almanac or Oak?
Clock and Almanac ships an update every 19 months, and Oak every 3 weeks. Most recently, Clock and Almanac was updated on October 29, 2026 and Oak on October 25, 2026.

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