DateDiff vs Date Radar Countdown Stopwatch
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 Radar Countdown Stopwatch
Easily store significant dates and calculate the time elapsed since or until them. This utility helps you keep track of important events and milestones.
- Store important dates
- Calculate ages
- Long-term timers
- Event tracking
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Store important dates and calculate ages EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: DateDiff at none against Date Radar Countdown Stopwatch's 3. DateDiff also leads on ratings volume (4 vs 1) and device support (3 vs 1). Date Radar Countdown Stopwatch's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price and rating 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 Radar Countdown Stopwatch sells 3 in-app purchases, starting at $0.29 per 3 months. 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 Radar Countdown Stopwatch. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
DateDiff ships an update every 5 weeks, Date Radar Countdown Stopwatch every 5 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.
| Parameter | DateDiff | Date Radar Countdown Stopwatch |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 weeks | Every 5 days — 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 | 17.0 |
| Further details — not scored | ||
| Size | 52 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | David Vives | Jin Yu |
Customer experience
DateDiff
Date Radar Countdown Stopwatch
In-app purchases
DateDiff
No in-app purchases
Date Radar Countdown Stopwatch
- 3 month$0.293 Months
- 1 Year$0.991 Year
- Coffee sponsor$6.99
Questions
Is DateDiff free?
Is Date Radar Countdown Stopwatch free?
Which has better reviews, DateDiff or Date Radar Countdown Stopwatch?
Do DateDiff or Date Radar Countdown Stopwatch have ads?
Which is updated more often, DateDiff or Date Radar Countdown Stopwatch?
Other comparisons
