Comparison

Countdown & Count Up Timer vs Oilfield Calc

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

Head to head
About

Countdown & Count Up Timer

Easily track important dates with customizable countdowns and count-ups. Never miss an anniversary, event, or milestone with home screen widgets and timely notifications. Personalize your tracking with custom backgrounds and text.

Highlights
  • Unlimited event tracking
  • Home and lock screen widgets
  • Customizable notifications
  • iCloud backup and restore
  • Precise moment tracking
  • Custom backgrounds and text
  • Social sharing
Read full description

How long until the day you’re waiting for? How long has it been since a moment worth remembering? Countdown & Count Up Timer makes important dates easy to follow. Count down to something you’re looking forward to, or see how much time has passed since a meaningful day. Add a birthday, anniversary, vacation, wedding, concert, exam, deadline, due date, seasonal event or personal milestone and let the app keep track of the time for you. You can also add a date from the past to see how long it has been since an important moment. Track the time since an anniversary, the day you got married, the start of a personal goal or any date you want to remember. Whether you are counting down to the future or counting up from the past, your most important dates stay together in one simple place. Create as many events as you like and choose how you want to see the time: years, months, weeks, days or hours. PERFECT FOR • Birthdays and anniversaries • Weddings and vacations • Trips and holidays • Concerts and special events • Exams and important deadlines • Pregnancy due dates • Personal goals and milestones • Seasonal events and special occasions • Remembering how long it has been since an important day KEY FEATURES • Countdown to future dates See exactly how much time is left until something you are waiting for. • Count up from past dates Track the time that has passed since a memorable moment. • Unlimited events Create as many countdowns and count-ups as you need. • Home Screen and Lock Screen widgets Keep your most important events visible without opening the app. • Daily notifications Get a daily notification at the time you choose showing the remaining or elapsed time. • Exact date and time Choose a specific time when a simple day count is not enough. • Flexible time display View the result in years, months, weeks, days or hours. • Custom photo backgrounds Use your own photos to make birthdays, weddings, trips and anniversaries feel more personal. • Adjustable text Customize the color and position of the text to suit your background. • Recurring events Set birthdays, anniversaries and other repeating dates to come back automatically. • Easy organization Use tags and date sorting to keep your events easy to find. • iCloud backup and restore Keep a backup of your important events and restore them when needed. • Sharing and Dark Mode Share your events easily and use the app comfortably in dark environments. Some dates are exciting because they are getting closer. Others matter because of how much time has already passed. Keep both kinds of moments close, and check them whenever you want.

About

Oilfield Calc

This app offers quick and precise calculations for fluid, proppant, and chemical needs during hydraulic fracturing. It's built for field engineers and operators requiring dependable data rapidly.

Highlights
  • Fluid calculations
  • Proppant calculations
  • Chemical calculations
  • Hydraulic fracturing operations
  • Field engineer tool
  • Operator support
Features
Read full description

Oilfield Calculator provides fast and accurate fluid, proppant, and chemical calculations for hydraulic fracturing operations. Designed for field engineers and operators who need reliable numbers in seconds

Screenshots

Countdown & Count Up Timer4 screens
Oilfield Calc3 screens

Verdict

The call

The clearest difference is price: Countdown & Count Up Timer at Free against Oilfield Calc's $9.99. Countdown & Count Up Timer also leads on ratings volume (2.3K vs 2) and iOS requirement (18.0 vs 26.2). Oilfield Calc's advantage is ads (none vs shown) and rating (5.0 vs 4.7). On 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

Countdown & Count Up Timer is free to download; Oilfield Calc costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Oilfield Calc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Countdown & Count Up Timer has 2.3K ratings behind it against 2, so its average is the more settled of the two.

Scorecard6 real differences · 4 level
Countdown & Count Up Timer versus Oilfield Calc: the parameters behind the verdict, then further details
ParameterCountdown & Count Up TimerOilfield Calc
PriceFree — better$9.99
Rating4.7 (2.3K ratings)5.0 (2 ratings) — better
Positive reviews63.0% of reviews—
Number of ratings2.3K — better2
Update frequencyWeekly—
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better26.2
Further details — not scored
Size38 MB8 MB
Age rating4+4+
DeveloperYoji ShimobayashiSamuel Wilson

Bugs and requests

Countdown & Count Up Timer

Reported bugs

3 issues
  • Countdown display issues after updates
  • App crashes when trying to access settings
  • Widget functionality not working as expected

Requested features

4 requests
  • Ability to exclude weekends from countdowns
  • Option to pause/resume countdowns
  • Customizable notification settings for each event
  • Sync across devices

Oilfield Calc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Countdown & Count Up Timer

No in-app purchases

None

Oilfield Calc

No in-app purchases

Questions

Is Countdown & Count Up Timer free?
Countdown & Count Up Timer is free to download, with no in-app purchases.
Is Oilfield Calc free?
Oilfield Calc costs $9.99, with no in-app purchases.
Which has better reviews, Countdown & Count Up Timer or Oilfield Calc?
Oilfield Calc is rated higher. Countdown & Count Up Timer averages 4.7 out of 5 from 2.3K ratings, while Oilfield Calc averages 5.0 from 2 ratings.
Do Countdown & Count Up Timer or Oilfield Calc have ads?
Countdown & Count Up Timer shows ads; Oilfield Calc does not.

Other comparisons