Best Relationship Calculator Apps

219+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our relationship calculator list covers 219+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Relationship Calculator

My Love - Relationship Counter#1

My Love - Relationship Counter by Bjoern Bartels

Editor's Choice
๐ŸŒŸ Lifestyle
4.9๐Ÿ˜Š(681K ratings)
FreeIn-App Purchases
#34in Lifestyle
My Love - Relationship Counter screenshot 1

Track the duration of your relationship with your partner. It generates unique anniversaries based on days, months, and years together. Personalize the app with a photo and receive notifications for special dates.

What We Love

  • ๐Ÿ’• Helps keep track of relationship milestones
  • ๐Ÿ“† Provides detailed date information (days, weeks, months, years)
  • ๐Ÿ–ผ๏ธ Allows customizing profile picture
  • ๐Ÿ”” Sends notifications for special occasions

Room to Improve

  • ๐Ÿ”’ Requires payment for widget feature
  • ๐Ÿ’ฐ Some users find the ads intrusive
  • ๐Ÿ•ฐ๏ธ Inaccurate date calculations for a few users
The Couple (Days in Love)#3

The Couple (Days in Love) by TheDayBefore, Inc.

๋‹ค์ด์–ด๋ฆฌ ยท ์œ„์ ฏ ยท ์ถ”์–ต
Worth Considering
๐ŸŒŸ Lifestyle
4.8๐Ÿ˜Š(2.5K ratings)
FreeAdsIn-App Purchases
The Couple (Days in Love) screenshot 1
The Couple (Days in Love) screenshot 2
The Couple (Days in Love) screenshot 3
The Couple (Days in Love) screenshot 4
The Couple (Days in Love) screenshot 5
The Couple (Days in Love) screenshot 6

This app helps couples create a shared digital space to record their relationship milestones. It automatically calculates anniversaries, allows photo uploads, and lets you share memories and stories.

What We Love

  • ๐Ÿ’• Couple-friendly app
  • ๐Ÿ“† Tracks important dates
  • ๐ŸŽจ Customizable themes and backgrounds
  • ๐Ÿ—“๏ธ Counts days/months/years of relationship

Room to Improve

  • ๐Ÿ” Limited language options
  • ๐Ÿ’ฐ Some features locked behind paywall
  • ๐Ÿ“ข Excessive ads

More Relationship Calculator apps to explore

4
Countdown
Countdown
Countdown
Day Counter: Timer & Widget
Free

Easily track important dates and events with a customizable countdown timer. Set reminders, organize events with tags, and view upcoming dates on your home screen or Apple Watch. Syncs across devices and offers various counting options.

Customizable countdown timerEvent remindersHome screen widgets
๐Ÿ”ง Utilities
(177K)
free with in-app purchases
5
My Love Anniversary Tracker
My Love Anniversary Tracker
My Love Anniversary Tracker
Best app for couples
Free

Track your relationship milestones with a love counter that measures your time together by the second. Personalize your love story with special dates and reminders, and share your journey with your partner. Keep your love visible with a home screen widget and receive timely anniversary alerts.

Love days counterAnniversary alertsCustomizable reminders
๐ŸŒŸ Lifestyle
(1.1K)
free with in-app purchases
6
Between, Couples Love Tracker
Between, Couples Love Tracker
Between, Couples Love Tracker
Daily Relationship Tracker
Free

This app is a private messenger and memory keeper for couples. It allows for romantic conversations, easy storage of photos and videos, and shared scheduling of special dates. It also offers free calls and a PC version for continuous connection.

Private messenger for twoFree emoticons and GIF selfiesPhoto, video, and note storage
๐ŸŒ Social Networking
(21K)
free with in-app purchases
7
MyCouple - Love Calculator
MyCouple - Love Calculator
MyCouple - Love Calculator
Relationship app for couples
Free

Track the duration of your relationship and receive timely anniversary notifications. Personalize your experience with custom backgrounds and widgets. Upgrade for an ad-free experience with enhanced customization options.

Record relationship start dateTrack relationship durationAnniversary notifications
๐ŸŒŸ Lifestyle
(323)
free with in-app purchases
8
In Love - Relationship Tracker
In Love - Relationship Tracker
In Love - Relationship Tracker
Love days counter for couple
Free

This app helps couples track and celebrate their relationship milestones. It counts the days you've been together, offers romantic wallpapers, and provides a lock screen widget to display your anniversary. Personalize your experience with custom names, colors, and fonts.

Days together counterAnniversary trackingRomantic wallpapers
๐ŸŒŸ Lifestyle
(42)
subscription
9
Been Together(Ad)
Been Together(Ad)
Been Together(Ad)
Couple D-day
Free

Track special dates like anniversaries, birthdays, and countdowns for important events. Customize your experience with various themes and background music. Receive notifications for upcoming special days to never forget them.

Manage 10+ anniversary registrations50+ anniversary themes15+ background music options
๐ŸŒŸ Lifestyle
(781)
free with in-app purchases
10
My Love-Relationship Countdown
My Love-Relationship Countdown
My Love-Relationship Countdown
Nothing But Love
Free

Never forget important relationship milestones. This app helps couples track anniversaries and special days with precise countdowns. It also offers a collection of love quotes and texts to share, enhancing communication and celebrating your bond.

Anniversary trackingPrecise countdowns (days, hours, minutes, seconds)Love quotes and texts
๐ŸŽฌ Entertainment
(11K)
subscription
11
Been Love Memory -Love Counter
Been Love Memory -Love Counter
Been Love Memory -Love Counter
Application for couple #1
Free

Track the number of days you've been together with your partner. This app helps you remember important anniversaries and visualize your relationship progress with customizable widgets and themes.

Count days togetherTrack love anniversariesCustomizable widgets
๐ŸŒŸ Lifestyle
(8.5K)
free with in-app purchases
12
Couple Widget : Love Countdown
Couple Widget : Love Countdown
Couple Widget : Love Countdown
Days Together Beautiful Widget
Free

Track your relationship milestones with a beautiful widget. This app helps you count the days together, reminds you of special anniversaries, and allows you to capture and share your love story with your partner.

Days Together counterAnniversary remindersShared Love Story diary
๐ŸŒŸ Lifestyle
(3.1K)
ad-supported
13
We together: love calculator
We together: love calculator
We together: love calculator
My love relationship tracker
Free

Track your relationship milestones with a personalized love counter and calendar. Set important dates, receive reminders for anniversaries, and discover your love compatibility. Save memories and gift ideas in one place.

Personalized love counterAnniversary tracker with remindersCustomizable love widget
๐ŸŒŸ Lifestyle
(14K)
free with in-app purchases
14
My Love: In Love Days Counter
My Love: In Love Days Counter
My Love: In Love Days Counter
Dating & Relationship Tracker
Free

This app helps couples track the duration of their relationship, from the first date to anniversaries and special milestones. It offers a home screen widget for at-a-glance viewing and allows users to save memories with photos and notes. The app is designed for privacy with passcode protection and an intuitive interface.

Relationship day counterHome screen widgetMilestone tracking
๐ŸŒŸ Lifestyle
(1.6K)
free with in-app purchases
15
Relationship Since Calculator
Relationship Since Calculator
Relationship Since Calculator
Never forget anniversaries!
Free

Track the duration of your relationship with your partner, celebrating milestones like the 333rd day or 50th month. Personalize the experience with custom photos and share beautiful, metric-filled images with your loved one.

Relationship duration trackingMilestone calculation (days, months, weeks, seconds)Customizable background images
๐ŸŒŸ Lifestyle
(13)
ad-supported
16
Relationship Trackerยฐ
Relationship Trackerยฐ
Relationship Trackerยฐ
My Love Couple Day Counter
Free

Track your relationship's duration and never forget important dates like anniversaries and birthdays. Add personal events, receive reminders, and secure your data with Face ID.

Track relationship durationAdd anniversaries and birthdaysPersonal event reminders
๐ŸŒŸ Lifestyle
(663)
free
17
Love Calculator: My Match Test
Love Calculator: My Match Test
Love Calculator: My Match Test
Couples Quiz Island Crush Game
Free

Discover the compatibility between you and your partner with a fun, name-based love calculator. This app uses a unique algorithm to estimate the probability of a successful relationship, offering a lighthearted way to explore romantic potential. Simply enter both full names and let the calculation begin.

Name-based compatibility calculationRelationship probability assessmentFun and entertaining quiz
๐ŸŽฌ Entertainment
(1.1K)
free
18
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
๐Ÿ”ง Utilities
(60K)
free
19
Relationship Counter
Relationship Counter
Relationship Counter
My Love Couple Dating Tracker
Free

Track your relationship duration and important milestones like anniversaries. Enter your start date and receive notifications for special occasions, ensuring you never forget them.

Track relationship durationLog important milestonesAnniversary reminders
๐ŸŒŸ Lifestyle
(160)
free with in-app purchases
20
LoveCounter - My Love
LoveCounter - My Love
LoveCounter - My Love
Calculate your time together
Free

Track the exact duration of your relationship, down to the second. Personalize your experience with photos and customize the app's appearance. Receive timely reminders for anniversaries and special dates.

Track relationship duration (months, weeks, days, hours, minutes, seconds)Add partner photo for personalizationAnniversary and special moment notifications
๐ŸŒŸ Lifestyle
(3.9K)
free with in-app purchases