Comparison

Relationship Tracker vs FriendSync

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

Head to head
About

Relationship Tracker

This app helps you stay connected with important people by providing personalized reminders to reach out. Track your connection streaks, celebrate milestones, and add personal notes to nurture your relationships.

Highlights
  • Contact organization into circles
  • Customizable connection frequencies
  • Personalized outreach reminders
  • Connection streak tracking
  • Relationship milestone celebration
  • Personal notes for contacts
  • Avatar companion
Features
Read full description

Your Personal Relationship Companion Foster is your thoughtful friend who helps you stay connected with the people who matter most. With a charming avatar companion by your side, maintaining relationships becomes joyful instead of overwhelming. How Foster Works: Import your contacts and organize them into relationship circles Set connection frequencies (weekly for family, monthly for friends, yearly for colleagues) Receive gentle, personalized reminders when it's time to reach out Track your connection streaks and celebrate relationship milestones Add personal notes so you never forget important details about each person Perfect For: Busy professionals juggling work and personal life People with ADHD who struggle with relationship maintenance Anyone with social anxiety around reaching out to others Those who want to be more intentional about their relationships People who've lost touch and want to reconnect meaningfully Why You'll Love Foster: Friendly, Not Clinical - Your avatar companion makes relationship maintenance feel warm and supportive, not like a business task Beautifully Designed - Fun, engaging interface that you'll actually want to use daily Smart Reminders - Gentle nudges that feel helpful, never nagging or guilt-inducing Motivation That Works - Visual progress tracking and streak celebrations keep you engaged Personal Touch - Remember birthdays, interests, and important life events for each person Mental Load Relief - Stop trying to remember everything - let Foster handle the scheduling while you focus on connecting Foster transforms "I should really text them" thoughts into meaningful connections. Be the friend you want to be, without the stress of trying to remember everyone on your own.

About

FriendSync

Features
Read full description

FriendSync - Meet your friends, on autopilot. Tired of 47 messages, three polls, and a Doodle link just to schedule one brunch? FriendSync is the smart group calendar that plans meetups for you. Set your availability once, get automatic suggestions, tap to confirm. Done. HOW IT WORKS 1. Create a group and invite friends with a link 2. Everyone sets their availability once 3. FriendSync suggests times that actually work 4. Tap to confirm - or reschedule in one tap WHY FRIENDSYNC? • Set it once, never chase a group chat again • Automatic suggestions instead of endless polling • Syncs with Google, Apple, and Outlook Calendar • Smart reminders that don't annoy • GDPR-compliant, servers in Europe, zero tracking BUILT FOR REAL LIFE FriendSync is for people who don't work 9-to-5: parents, shift workers, freelancers, night owls. Your schedule changes every week? FriendSync adapts - you don't have to. CUSTODY CALENDAR SUPPORT (one of a kind) FriendSync is the first group scheduler that natively understands custody schedules. Enter your rhythm once (e.g. "Week A / Week B") and FriendSync automatically knows when you're free. No more manual entry every single week. Perfect for co-parents, blended families, and anyone juggling two households. PERFECT FOR • Friend groups who rarely see each other • Co-parents, blended families, custody-sharing parents • Shift workers and people with irregular schedules • Game nights, brunches, hiking groups, book clubs • Anyone who says "we should meet up soon" - and never does FEATURES • Group calendar with automatic suggestions • Set availability once (or repeat weekly) • Custody / week-on-week-off calendar support • Calendar integration: Google, Apple, Outlook • Smart reminders that respect your attention • Invite by link - guests don't need an account • Venue suggestions (cafe, park, restaurant) • Private groups • Dark Mode • Offline support PRIVACY ISN'T AN EXTRA FriendSync is built in Germany and fully GDPR-compliant. Your data stays in Europe. No selling, no tracking, no advertising SDKs. You're in full control and can delete your account with one tap. FREE TO USE FriendSync is free. Pro features (larger groups, calendar export, premium venue suggestions) are optional - the core app stays free forever. SUPPORT & FEEDBACK Questions, ideas, or feedback? Email hello@friendsync.app - we reply personally. FriendSync is built by a small team in Germany, and every message shapes the next release. Download FriendSync and turn "we should meet" into "see you Saturday."

Screenshots

Relationship Tracker4 screens
FriendSync4 screens

Verdict

The call

The clearest difference is in-app purchases: FriendSync at none against Relationship Tracker's 4. FriendSync also leads on update cadence (every 3 days vs every 4 weeks). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Relationship Tracker sells 4 in-app purchases, starting at $2.99 per month. FriendSync asks for nothing beyond the download.

UpkeepUpdate frequency

Relationship Tracker ships an update every 4 weeks, FriendSync every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
Relationship Tracker versus FriendSync: the parameters behind the verdict, then further details
ParameterRelationship TrackerFriendSync
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size72 MB21 MB
Age rating4+4+
DeveloperCarbon Studio LLC (Apps)Bastian John

In-app purchases

4 purchases

Relationship Tracker

Subscriptions4
  • Foster Thrive Monthly$2.991 Month
  • Foster Unlimited Monthly$4.991 Month
  • Foster Thrive Annual$24.991 Year
Show 1 more
  • Foster Unlimited Annual$49.991 Year
None

FriendSync

No in-app purchases

Questions

Is Relationship Tracker free?
Relationship Tracker is free to download, with in-app purchases available.
Is FriendSync free?
FriendSync is free to download, with no in-app purchases.
Do Relationship Tracker or FriendSync have ads?
Neither Relationship Tracker nor FriendSync shows ads.
Which is updated more often, Relationship Tracker or FriendSync?
Relationship Tracker ships an update every 4 weeks, and FriendSync every 3 days. Most recently, Relationship Tracker was updated on October 22, 2026 and FriendSync on October 24, 2026.

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