Date Calculator vs Vizmo Mobile (on
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date Calculator
Easily calculate the difference between dates, add or subtract days, and create custom countdowns. Personalize your workweek and skip specific dates for accurate workday calculations. Track events with home screen widgets and receive timely notifications.
- Add/subtract days, weeks, months, years
- Customizable workweek calculations
- Skip specific dates
- Calculate intervals between dates
- Create customizable countdowns
- Home screen widgets
- Countdown notifications
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Calculate dates, intervals between two dates and create countdowns — all in one app, Timerange. Add or subtract workdays or set up your workweek and get exact amount of workdays between two dates. Create customizable countdowns and display them on your Home Screen with widgets. Features: • Add days, weeks, months or years to any date or subtract them. • Choose which weekdays to count. • Set specific dates that must be skipped in the calculation. • Calculate intervals between two dates. • Exclude or include start and end dates into calculation. • Get exact amount of workdays, non-working days or weekdays selected by you between dates. • Set your own workweek to personalize results when calculating intervals. • Create time counters from a specific event or countdowns until an event. • Set style of the counters and their color. • Receive notifications when a countdown is about to finish. • Add Time Counters widget to your Home Screen to track the counters without opening Timerange. • Customize every screen’s initial data that will be shown to you every time you launch the app. Subscription terms: - The subscription auto-renews at the end of each term. - Payment will be charged to iTunes Account at confirmation of purchase. - The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period. - You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Privacy policy and Terms of Use: https://applorium.com/privacy-date-calculator/
Vizmo Mobile (on
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An app for employees to manage their visitors checked-in with Vizmo - visitor management system Features: * Manage visitors * Invite visitors * Manage employee profile * Receive push notifications when visitors check-in
Screenshots
Verdict
The clearest difference is in-app purchases: Vizmo Mobile (on at none against Date Calculator's 4. Vizmo Mobile (on also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, 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
Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per month. Vizmo Mobile (on asks for nothing beyond the download.
Date Calculator ships an update every 6 weeks, Vizmo Mobile (on every 2 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Date Calculator | Vizmo Mobile (on |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (200 ratings) — better | — |
| Positive reviews | 63.1% of reviews | — |
| Number of ratings | 200 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Applorium Ltd | SMARTICE LLP |
Bugs and requests
Date Calculator
Reported bugs
10 issues- Premium interval exclusion feature not working despite payment
- Widget displays incorrect values (e.g., '0 days old')
- App crashes when swiping to secondary function
- Date selection doesn't persist when clicking away
- Calculations intermittently off by one day
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- Items jump when editing on iOS 16.1.1
- Cannot change start date in newer versions
- App crashes after making changes
- Widget won't load
- Secondary function for calculating days between dates causes crashes
Requested features
11 requests- Ability to exclude/include specific holidays and dates
- Support for calculating days between two dates (not just from a date)
- Business days only calculation (exclude weekends)
- Multiple interval tracking simultaneously
- Save custom holiday periods
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- Input dates numerically instead of scroll wheel
- Subtract days from dates functionality
- Week-based calculations
- Horizontal orientation support
- Color customization options
- Standard calendar integration for holidays
Vizmo Mobile (on
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Date Calculator
- Timerange Plus Monthly$3.991 Month
- Timerange Plus Annual3 Days trial$9.991 Year
- Timerange Plus$6.99
- Date Calculator Plus$19.99
Vizmo Mobile (on
No in-app purchases
Questions
Is Date Calculator free?
Is Vizmo Mobile (on free?
Do Date Calculator or Vizmo Mobile (on have ads?
Which is updated more often, Date Calculator or Vizmo Mobile (on?
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