Comparison

Relativity Calendar vs Watch Microphone

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

Watch Microphone

Transform your Apple Watch into a powerful megaphone for making loud announcements. Amplify your voice by over 100% without needing your iPhone. Simply connect a Bluetooth speaker and start amplifying.

Highlights
  • Apple Watch as microphone
  • Bluetooth speaker connectivity
  • iPhone not required
  • Over 100% voice amplification
  • Complication shortcut support
Features
Read full description

Watch Microphone is an app that turns your Apple Watch into a microphone, allowing you to make announcements in a louder voice. Features -Can be used by directly connecting your Apple Watch to a Bluetooth speaker. -No iPhone required for the entire operation. -Volume can be amplified by over 100% beyond the standard gain. How to Use 1. Prepare your Apple Watch and a Bluetooth speaker. 2. Tap Settings on your Apple Watch. 3. From Settings, tap Bluetooth. 4. Select and connect your Bluetooth speaker. 5. Press the Start button in the Watch Mic app on your Apple Watch. 6. Recording will begin. *1 7. Press the Stop button, and the recording will play back automatically. *2 8. Repeat the recording and playback process as needed. *3 *1 Recordings overwrite each time, so there's no need to worry about increased storage consumption. *2 We recommend presetting the volume using the Music app or similar. *3 You can add a shortcut to your Apple Watch face (using the Complication feature).

Screenshots

Relativity Calendar4 screens
Watch Microphone4 screens

Verdict

The call

The clearest difference is price: Relativity Calendar at Free against Watch Microphone's $2.99. Relativity Calendar also leads on iOS requirement (15.0 vs 18.4). Watch Microphone's advantage is update cadence (every 5 days vs every 2 months). On review sentiment, ads, in-app purchases 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

Relativity Calendar is free to download; Watch Microphone costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Relativity Calendar ships an update every 2 months, Watch Microphone every 5 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Relativity Calendar versus Watch Microphone: the parameters behind the verdict, then further details
ParameterRelativity CalendarWatch Microphone
PriceFree — better$2.99
Rating4.9 (17 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings17 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPod, Apple WatchiPhone, iPad, Apple Watch
Requires iOS15.0 — better18.4
Further details — not scored
Size3 MB11 MB
Age rating4+4+
DeveloperJonathan Colekobunachou ozawa

Customer experience

Relativity Calendar

All ratings17 ratings
Positive94.1%
Neutral5.9%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Watch Microphone

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Relativity Calendar

No in-app purchases

None

Watch Microphone

No in-app purchases

Questions

Is Relativity Calendar free?
Relativity Calendar is free to download, with no in-app purchases.
Is Watch Microphone free?
Watch Microphone costs $2.99, with no in-app purchases.
Do Relativity Calendar or Watch Microphone have ads?
Neither Relativity Calendar nor Watch Microphone shows ads.
Which is updated more often, Relativity Calendar or Watch Microphone?
Relativity Calendar ships an update every 2 months, and Watch Microphone every 5 days. Most recently, Relativity Calendar was updated on October 25, 2026 and Watch Microphone on October 7, 2026.

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