Datum vs Color Date Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Datum
A minimalist calendar application designed for Apple devices, offering a clean interface and customizable widgets for iOS, macOS, and watchOS. View upcoming events, daily schedules, and monthly overviews directly from your home screen or watch face.
- Minimalist calendar interface
- Lockscreen widgets for iOS
- Event display widgets
- Calendar widgets with event marks
- watchOS calendar and complications
- Support for iPhone, iPad, Mac, and Apple Watch
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Datum is a minimalistic iOS, watchOS, macOS and visionOS calendar app. For iOS there are Lockscreen Widgets that show you the current date and there are Lockscreen Widgets that show up to 3 events for today. The iOS and macOS apps include the following widgets: - a small widget that shows the current date and at the bottom the events for this day - a small widget that shows a calendar with up to 3 event marks for each day - a medium widget that shows the same as the first small widget and on the right side a calendar with up to 3 event marks for each day - a large widget that shows the same as the medium widget and a list of the upcoming events - a extra large widget that shows a calendar and a list of the upcoming events (only for iPadOS 15+) The watchOS app shows a calendar with up to 3 event marks for each day. You can switch to the next/previous month by tapping on the arrows at the bottom of the calendar. You can view all events for each day by tapping on a day. There are also complications for all watchfaces included that show you the current date.
Color Date Plus
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Main Features 1. Highly visible date complication 2. Calendar display (3 months including before and after) when tapped 3. Can set color of each date row using grid, slider, or color code 4. Circular complications can have their background color set 5. Rectangular complications can have their font size and font design set 6. Compatible with Japanese era name (Except for rectangule) *1 Complications placed on colored dials are in monotone.(Background color cannot be set) *2 If display issue on colored dials, please enable the "Colored Dial" toggle button *3 Please set font size for rectangular complications to the appropriate value using slider *4 The outer part of the corner complication has limited character storage, so the text may not fit
Screenshots
Verdict
The clearest difference is update cadence: Color Date Plus at every 10 days against Datum's every 3 months. Datum's advantage is device support (5 vs 2). On price, ads, in-app purchases 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
Datum costs $1.99 and Color Date Plus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Datum ships an update every 3 months, Color Date Plus every 10 days. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.
| Parameter | Datum | Color Date Plus |
|---|---|---|
| Price | $1.99 | $1.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac, Apple Watch, Vision Pro — better | iPhone, Apple Watch |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Lindinger | NAOTO UENO |
In-app purchases
Datum
No in-app purchases
Color Date Plus
No in-app purchases
