Comparison

Relativity Calendar vs Time & Date

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Relativity Calendar

This app redefines how you view dates by allowing you to express any day relative to any month. See custom dates like 'May 32nd' or 'March 93rd' at a glance. It offers home screen widgets and Apple Watch complications for easy access.

Highlights
  • Express dates relative to any month
  • Home screen widgets with color customization
  • Apple Watch complications
  • iOS 16 Lock Screen widgets
  • Track custom dates and holidays
Features
Read full description

Relativity Calendar is an app that tells you what day it is, relative to any month. For example, June 1st can also be written as May 32nd or March 93rd. Set any month you want, and you'll be able to see it at a glance in your widgets and Apple Watch! Whether it's the month of your birth, an important holiday, or Truck Month, Relativity Calendar will (more or less) help you keep track. Features: - Pick any month, even if it doesn't make sense. Especially if it doesn't make sense. - Full support for home screen widgets, with full color customization - Full support for Apple Watch, including complications - Supports iOS 16 Lock Screen widgets.

About

Time & Date

Read full description

A calendar built like a machine: clean lines, precise controls, and zero fluff. Time & Date takes an industrial approach to planning—high-contrast visuals, mechanical UI elements, and a layout engineered for clarity under pressure. Stay ahead of your schedule with real-time overlap detection that flags conflicting events the moment they collide. Give every meeting, workout, or deadline its own identity using custom sound alerts, chosen per event, so you instantly know what’s next without even looking at your phone. Lock into the flow of your day with widgets that show your time progress—a quick visual pulse of how far you’ve moved through the day and what’s still on deck. The result? A calendar that feels sturdy, purposeful, and built for people who want their tools to work as hard as they do. Core features: Overlap detection to prevent double-booking Per-event custom sound alerts Industrial-grade interface with bold, minimal visual cues Widgets tracking daily time progress Structured daily views for fast scanning Subscription Time & Date Premium Annual - Updates once per year - $14.99 Monthly - Updates once per month - $1.99 Terms of service https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy https://radu-mee.github.io/Time-Date/privacy-policy.html

Screenshots

Relativity Calendar4 screens
Time & Date4 screens

Verdict

The call

The clearest difference is in-app purchases: Relativity Calendar at none against Time & Date's 2. Relativity Calendar also leads on iOS requirement (15.0 vs 17.6). Time & Date's advantage is update cadence (every 2 days vs every 2 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Time & Date sells 2 in-app purchases, starting at $1.99 per month. Relativity Calendar asks for nothing beyond the download.

UpkeepUpdate frequency

Relativity Calendar ships an update every 2 months, Time & Date every 2 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Relativity Calendar versus Time & Date: the parameters behind the verdict, then further details
ParameterRelativity CalendarTime & Date
PriceFreeFree
Rating4.9 (17 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings17 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size3 MB7 MB
Age rating4+4+
DeveloperJonathan ColeCristian Radu

In-app purchases

None

Relativity Calendar

No in-app purchases

2 purchases

Time & Date

Subscriptions2
  • Monthly Time & Date Premium$1.991 Month
  • Annual Time & Date Premium$14.991 Year

Questions

Is Relativity Calendar free?
Relativity Calendar is free to download, with no in-app purchases.
Is Time & Date free?
Time & Date is free to download, with in-app purchases available.
Do Relativity Calendar or Time & Date have ads?
Neither Relativity Calendar nor Time & Date shows ads.
Which is updated more often, Relativity Calendar or Time & Date?
Relativity Calendar ships an update every 2 months, and Time & Date every 2 days. Most recently, Relativity Calendar was updated on November 7, 2026 and Time & Date on November 5, 2026.

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