When Does vs Time calculator ( Converter )
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
When Does
This app provides the dates for numerous holidays and observances throughout the year. Users can easily add these events to their personal calendars or send them via email to themselves or others. It's a convenient reference for tracking important dates, including major holidays and time changes.
- Holiday date lookup
- Add holidays to calendar
- Email holiday information
- Includes major holidays
- Tracks US Daylight Saving Time
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When Does tells you when a number of holidays occur in a given year. It allows you to add the holiday to your calendar or to email it to you or to someone else. If you want to know when a holiday occurs, look here! It includes Chinese New Year, Martin Luther King Day, Valentine's Day, St. Patrick's Day, Easter, Passover, and many more! It also includes the start and end of US Daylight Savings Time.
Time calculator ( Converter )
Easily convert between various units of time, from seconds to years. This tool helps you understand time durations and answer questions about how long different periods are. It supports conversions for seconds, minutes, days, hours, months, and years.
- Convert seconds to years
- Convert minutes to days
- Convert hours to months
- Convert days to years
- Supports multiple time units
- Time duration calculations
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Time converter (converter) Is one year a few seconds? What year is a few minutes? Is 10,000 hours for a few years? This time, use a calculator. Converts the seconds, minutes, days, hours, months, years, year / month / day / minute / hour / second. Conversely, second, to convert year / month / day / hour / minute / second to minute, day, hour, month, year. This time converter, time, use the calculator.
Screenshots
Verdict
The clearest difference is price: Time calculator ( Converter ) at Free against When Does's $0.99. Time calculator ( Converter ) also leads on iOS requirement (13.0 vs 15.6). When Does's advantage is rating (5.0 vs 4.0) and ads (none vs shown). On ratings volume, update cadence, 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
Time calculator ( Converter ) is free to download; When Does costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
When Does holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of When Does's written reviews are positive against 67% of Time calculator ( Converter )'s.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on June 4, 2026 and October 12, 2026 respectively.
| Parameter | When Does | Time calculator ( Converter ) |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul T Cottey | EONSOFT |
Customer experience
When Does
Time calculator ( Converter )
In-app purchases
When Does
No in-app purchases
Time calculator ( Converter )
No in-app purchases
