Date Check vs Week #
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date Check
Easily calculate future or past dates by adding or subtracting any number of days and/or weeks. This tool is useful for anyone needing to determine specific future or past dates, from medical professionals to everyday users.
- Calculate future dates
- Calculate past dates
- Add days and weeks
- Subtract days and weeks
- Customizable start date
- Switch between add/subtract modes
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Date check is an easy way to calculate a date in the future, or past, by using any number of days and/or weeks. Simply enter in the number of days, weeks, or both, to calculate the new date. Tap the + button to switch to subtract mode and calculate dates in the past. Tap again to return to addition mode for future dates. Tap the current date to change to a different start date for the calculation. Originally designed for Medical Doctors and Registered Nurses that need to calculate expiration dates of medicines, end dates for prescriptions, and valid documents such as a History & Physical, Date Check can be used by anyone who needs to know a specific date in the future or past.
Week #
Quickly find the current week number with a clean and fast interface. This app offers an ad-free experience with no data collection or tracking. Customize the week start day for your convenience.
- Instant week number display
- Minimalistic interface
- Ad-free experience
- Zero data collection
- Customizable week start day
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Week # is the simplest way to check the current week number — nothing more, nothing less. Designed to be clean, quiet, and fast. • Minimalistic interface • Instant week number at a glance • Optional settings for week start (Monday/Sunday) • Zero data collected — nothing leaves your device • No accounts. No ads. No tracking. Ever. A small, focused tool that does one thing well.
Screenshots
Verdict
The clearest difference is update cadence: Week # at every 9 days against Date Check's every 4 months. Date Check's advantage is iOS requirement (8.0 vs 14.0). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Date Check against 5.0 for Week #. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Date Check ships an update every 4 months, Week # every 9 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | Date Check | Week # |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 26 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Salted Apps | Morning Mark LLC |
Customer experience
Date Check
Week #
In-app purchases
Date Check
No in-app purchases
Week #
No in-app purchases
