DateDiff vs Date Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DateDiff
Calculate the duration between two dates, with options to include or exclude weekends. It can also determine an end date based on a start date and a duration, or function as a countdown timer from today to a specific event.
- Calculate days between two dates
- Include or exclude weekends
- Calculate end date from start date and duration
- Countdown timer from today
- Pin start date as today
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An app for calculating the end of a license. It allows setting up the 2 dates and it will calculate how many days are in between, allowing ignore weekends or not. Also, it allows setting up a start date and a number of days and it will calculate the end date. Even more, it let you pin start date as always today to have a days countdown to a specific date.
Date Calculator
Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.
- Calculate days between dates
- Optional time selection for minute precision
- Clean, native iOS design
- Theme and language settings
- Local calculation without account
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DateMath helps you quickly calculate the time between two dates. Choose a start date and an end date to see the number of days between them. When you need more precision, turn on Show Time to select hours and minutes and view the interval as days, hours, and minutes. Key Features: • Calculate days between two dates • Optional time selection for minute-level results • Clean, native iOS design • Theme and language settings • Local calculation without an account Premium access unlocks unlimited calculations, continued updates, and an ad-free experience. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: DateDiff at none against Date Calculator's 4. DateDiff also leads on ratings volume (4 vs 1) and device support (3 vs 1). Date Calculator's advantage is ads (none vs shown). On price, rating, review sentiment and update cadence 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
Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. DateDiff asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for DateDiff against 5.0 for Date Calculator. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
DateDiff ships an update every 5 weeks, Date Calculator monthly. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.
| Parameter | DateDiff | Date Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17.3 |
| Further details — not scored | ||
| Size | 52 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | David Vives | 亦彬 潘 |
Customer experience
DateDiff
Date Calculator
In-app purchases
DateDiff
No in-app purchases
Date Calculator
- Weekly Subscription3 Days trial$3.997 Days
- Monthly Subscription$4.991 Month
- Yearly Subscription$19.991 Year
- Lifetime Premium$29.99
