Date601 vs Calendar Week Nerd
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date601
This utility displays the current date in ISO 8601 format on your wearable device. Users can choose to include the day of the week for additional context. It offers a straightforward way to access date information directly from your wrist.
- ISO 8601 date display
- Optional day of the week
- Watch compatibility
- iPhone companion app
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View today's date in ISO 8601 format. Optionally view the day of the week as well.
Calendar Week Nerd
This app offers customizable widgets for your home and lock screens, allowing you to track week progress and navigate your calendar. It supports Apple Watch complications and various custom week setups, including ISO and fiscal years.
- Home and lock screen widgets
- Custom week start day
- ISO and fiscal year week numbering
- Apple Watch app and complications
- Direct calendar navigation
- Yearly progress arcs
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Have your most beautiful week ever. Calendar Week Nerd is the ultimate week companion that respects both aesthetics and technical needs. Whether you just want minimal, colorful week widgets or need full custom week setup with ISO, fiscal years, and 9-day cycles, CWN adapts to you. Features: Beautiful Widgets: Home screen, lock screen, and interactive widgets in all sizes. Custom Week Setup: Choose your start day, fiscal year, week numbering, even 9-day sprints with custom week lengths. Apple Watch App + Complications: See week numbers and progress right on your wrist. Calendar Navigation: Tap any week and jump directly into your calendar app. Week & Year Arcs: Track where you are in the year at a glance. Calendar Week Nerd The perfect week system you didn't know you needed. Privacy Policy: https://calendarweeknerd.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Calendar Week Nerd at Free against Date601's $0.99. Calendar Week Nerd also leads on rating (5.0 vs 1.0) and update cadence (every 2 weeks vs every 2 months). Date601's advantage is in-app purchases (none vs 3). On ratings volume, ads, device support and iOS requirement 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
Calendar Week Nerd is free to download; Date601 costs $0.99 up front. Calendar Week Nerd sells 3 in-app purchases, starting at $1.99 per month. Date601 asks for nothing beyond the download.
Calendar Week Nerd holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Date601 ships an update every 2 months, Calendar Week Nerd every 2 weeks. Both last shipped on October 24, 2026.
| Parameter | Date601 | Calendar Week Nerd |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 3 MB | 161 MB |
| Age rating | 4+ | 4+ |
| Developer | Prathamesh Kowarkar | Balthasar Siekiera |
Customer experience
Date601
Calendar Week Nerd
In-app purchases
Date601
No in-app purchases
Calendar Week Nerd
- CalendarWeekNerd+ Monthly$1.991 Month
- CalendarWeekNerd Plus Yearly$9.991 Year
- CalendarWeekNerd+ Lifetime$29.99
Questions
Is Date601 free?
Is Calendar Week Nerd free?
Which has better reviews, Date601 or Calendar Week Nerd?
Do Date601 or Calendar Week Nerd have ads?
Which is updated more often, Date601 or Calendar Week Nerd?
Other comparisons
