Calculator Silver vs Whos Free When?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Silver
This utility app offers a comprehensive calculator experience with features like a backspace key, printable/emailable calculation history, and Apple Watch integration. Customize the look and feel, and easily copy results to other applications.
- Apple Watch calculator
- Today View Extension
- Printable/emailable history
- Backspace key
- Copy/paste functionality
- Customizable display and themes
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*Featured in What´s Hot on iTunes* The BEST Calculator! App for iPad, iPhone and iTouch. Ever lost your train of thought half way through a calculation and thought how handy it would be to have a print out or e-mail of your work? Features: - Print out the calculation history or send by PDF. - Correct with a backspace key if you enter a wrong digit without having to redo all. - Email, PDF or Print the calculation history. - PDF the Tape and access previous in the Documents Folder. - Exchange Documents in iTunes or open in iBooks, Email, etc. - Rename and share PDF documents. - Copy and Paste numbers to other Apps, by tapping on the display. - Show calculations on an Apple TV or an external monitor with a cable. - Change number display to Fixed, Scientific, etc., by tapping on the display. - Customize the background, fixed digits, fonts, colors and sizes. - Customize the Tape font, size and color. - An audible sound confirms if you have pressed a button, which can be easily disabled by touching the speaker. - Previous calculation is repeated when the equal sign is pressed. - Grand Total calculated. - Numbers in Memory may be logged to the Tape. - A visible and audible error when trying to divide by zero or take the square root of a negative number. - Numbers are shown in local format, depending on your Region Formats, i.e. comma used in Europe.
Whos Free When?
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Planning anything with a group shouldn't feel like a second job. WhosFreeWhen? is the simplest way to find a date that works for everyone. Create an event, share the link, and let everyone tap the days they're free. You'll instantly see which dates have the most availability, no back-and-forth, no spreadsheets, no chasing people down. How it works Create an event in seconds and share the link with anyone, they don't even need an account. Each person taps their available and unavailable days on the calendar. Long-press any day to see exactly who's free and who isn't. When you've got your date, use built-in polls to sort out the details: where to eat, what to watch, who's bringing what. Perfect for - Scheduling nights out, trips, or dinners with friends - Coordinating team meetups or work events - Planning family gatherings across busy calendars - Any group decision where timing is everything Key features - Shared availability calendar — see the whole group at a glance - Long-press any day to see who's available and who isn't - Group polls, settle decisions alongside your scheduling - Share via link or event ID, no app required to participate - Works as a guest or with a free account - Free account syncs your events across all your devices
Screenshots
Verdict
The clearest difference is price: Whos Free When? at Free against Calculator Silver's $1.99. Whos Free When? also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (15.1 vs 26.0). Calculator Silver's advantage is in-app purchases (none vs 2). On ads 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
Whos Free When? is free to download; Calculator Silver costs $1.99 up front. Whos Free When? sells 2 one-off in-app purchases. Calculator Silver asks for nothing beyond the download.
Calculator Silver ships an update every 2 months, Whos Free When? every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Calculator Silver | Whos Free When? |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.4 (5 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 16 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Hannes Sverrisson | Joe Cobain |
In-app purchases
Calculator Silver
No in-app purchases
Whos Free When?
- WhosFreeWhen Pro Lifetime$3.99
- WhosFreeWhen Teams$9.99
Questions
Is Calculator Silver free?
Is Whos Free When? free?
Do Calculator Silver or Whos Free When? have ads?
Which is updated more often, Calculator Silver or Whos Free When??
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