Comparison

The Date Calculator PRO vs Austros

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

Head to head
About

The Date Calculator PRO

Easily calculate the duration between two dates, with or without accounting for the time of day. You can also add or subtract various time units from a specific date. The results are automatically converted into multiple units for your convenience.

Highlights
  • Calculate duration between two dates
  • Include time of day in calculations
  • Add/subtract years, months, weeks, days
  • Convert results to various time units
  • Account for daylight saving time changes
Features
Read full description

Date Calculator – Days, Time & Countdowns Download now for free! Wondering how many days are between two dates, what date it will be in 90 days, or how much time remains until an important event? Date Calculator gives you clear answers in a streamlined iOS experience for iPhone and iPad. Calculate date differences, determine exact time spans, add or subtract time from any date, and keep track of upcoming events with countdowns and widgets. DATE AND TIME CALCULATIONS • Calculate the number of days between two dates • Optionally include the end date in the calculation • Calculate the exact duration between two dates and times • Add or subtract years, months, weeks, and days from any date • View results in years, months, weeks, days, hours, minutes, and seconds • See total durations expressed in days, hours, minutes, and seconds • Calculate business and working days • Display calendar week numbers • Account for daylight saving time and standard time transitions COUNTDOWNS AND WIDGETS Turn a calculated date into a countdown and see how much time remains until a birthday, anniversary, deadline, vacation, appointment, or other important event. • Create and manage multiple countdowns • View remaining years, months, weeks, days, hours, minutes, and seconds • Add countdown widgets to your iPhone or iPad Home Screen • Use Lock Screen widgets to keep important dates visible at a glance • Add multiple widgets and choose which saved event each widget displays SAVE AND REUSE YOUR RESULTS • Add a calculated date directly to your iPhone or iPad calendar • Copy calculation results to the clipboard • Share results with other apps • Reopen recent calculations from the calculation history Date Calculator is useful for due dates, deadlines, birthdays, anniversaries, vacations, project planning, notice periods, and everyday date calculations. Your date calculations are performed locally on your device. Download Date Calculator for free and make date and time calculations easier on iPhone and iPad. Disclaimer: Although every reasonable effort has been made to make this application as accurate as possible, all calculations and other content are provided for informational purposes only and must always be checked manually. We do not guarantee that any information, calculation, or other content is complete or entirely accurate. Therefore, the developer, author, publisher, and owners cannot be held responsible for any errors, omissions, or inaccuracies. Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Austros

Features
Read full description

Austros es la herramienta oficial para la gestión y seguimiento ambiental de parques eólicos, desarrollada por la empresa líder en el sector desde 2008. Diseñada para profesionales del medio ambiente, biólogos, técnicos e ingenieros, nuestra app permite digitalizar y centralizar los procesos de campo de forma segura, ágil y precisa.

Screenshots

The Date Calculator PRO4 screens
Austros4 screens

Verdict

The call

The clearest difference is in-app purchases: Austros at none against The Date Calculator PRO's 7. Austros also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). 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. The Date Calculator PRO sells 7 in-app purchases, starting at $1.99 per 7 days. Austros asks for nothing beyond the download.

UpkeepUpdate frequency

The Date Calculator PRO ships an update every 4 months, Austros fortnightly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
The Date Calculator PRO versus Austros: the parameters behind the verdict, then further details
ParameterThe Date Calculator PROAustros
PriceFreeFree
Rating4.7 (2.6K ratings) — better—
Positive reviews65.5% of reviews—
Number of ratings2.6K — better—
Update frequencyEvery 4 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size7 MB24 MB
Age rating4+4+
DeveloperBrachmann Online Marketing GmbH & Co. KGstudio128k SL

In-app purchases

7 purchases

The Date Calculator PRO

Subscriptions3
  • Premium$1.997 Days
  • Premium1 Year trial$3.991 Month
  • Premium$3.991 Month
One-time4
  • Voluntary Payment 1$0.99
  • Voluntary Payment 2$2.99
  • Voluntary Payment 3$9.99
Show 1 more
  • Remove Ads$12.99
None

Austros

No in-app purchases

Questions

Is The Date Calculator PRO free?
The Date Calculator PRO is free to download, with in-app purchases available.
Is Austros free?
Austros is free to download, with no in-app purchases.
Do The Date Calculator PRO or Austros have ads?
The Date Calculator PRO shows ads; Austros does not.
Which is updated more often, The Date Calculator PRO or Austros?
The Date Calculator PRO ships an update every 4 months, and Austros fortnightly. Most recently, The Date Calculator PRO was updated on November 6, 2026 and Austros on October 30, 2026.

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