Comparison

Birthday Calendar Simple vs Kinfolio

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

Head to head
About

Birthday Calendar Simple

Effortlessly remember and celebrate important birthdays. This app syncs with your contacts, offers customizable reminders, and provides a clear view of upcoming events. You can also add personal notes and discover missing birthdays through a shared database.

Highlights
  • Syncs with contacts
  • Customizable reminders
  • Upcoming birthday calendar
  • Add notes and contact info
  • Discover missing birthdays
  • Private by design
Features
Read full description

Celebrate every birthday like it matters. Birthday helps you stay close to the people who matter most — effortlessly remembering, preparing, and celebrating every special day. * Always up to date – Easily bring in birthdays from your Contacts. Birthday keeps everything tidy and avoids duplicates. * Plan your way – Choose reminders for the day of, or a few days before, so you’re never caught off guard. * See what’s ahead – View upcoming birthdays in a simple list, by month, or on a beautiful calendar. * Keep the details handy – Add notes, phone numbers, or email addresses so you can reach out with ease. * Discover Birthdays – Find missing birthdays through our shared database and help make the list more complete. * Private by design – Your information stays on your device unless you choose to share for discovery. Whether you’re keeping up with family, friends, or coworkers, Birthday makes it simple to remember every celebration and never miss a chance to make someone smile.

About

Kinfolio

Features
Read full description

Forgot your friend's kid's name again? Blanked on what a client told you last time? Kinfolio keeps what matters about the people in your life — names, dates, what you talked about — and quietly reminds you before you meet or when it's time to write. A private personal CRM for family, friends and everyone your work depends on: no account, your data stays on your device. REMEMBER WHAT MATTERS • Kids' and partner's names, interests, allergies, work, gift ideas — pin the important ones to the top of the card • A 30-second note right after you talk: what you discussed and what to ask next time • Search by anything: "who snowboards?" • See how your people are connected A QUIET BRIEFING BEFORE YOU MEET • An hour before a meeting in your calendar, Kinfolio tells you who you're meeting, what matters to them and what to ask • Works for one-on-ones and group meetings STAY IN TOUCH • Set how often you want to hear from each person and get a gentle nudge when it's time to write • The Today screen shows upcoming dates and who hasn't heard from you in a while DATES THAT MATTER • Birthdays, anniversaries, name days, work anniversaries and any date that matters, with a reminder a few days ahead • A home-screen widget with upcoming dates and people it's time to write to • Import birthdays straight from your contacts FOR FAMILY, FRIENDS AND YOUR NETWORK • Import contacts: job title and company become a fact on the card • Relationships like "colleague" and "introduced by", tags for clients, partners and community • Follow-ups in the journal, so a promise to a partner isn't lost YOUR DATA STAYS YOURS • No account, no ads, no data selling. Your notes never leave your device unless you send them • Optional encrypted sync between your devices through your own cloud (iCloud or Google Drive), protected by a 12-word recovery phrase only you have • Encrypted backups, plus import and export any time — no lock-in • Usage statistics only if you allow it OPTIONAL AI HELP • Just met someone? Type or dictate a few words — Kinfolio turns them into a new card: name, work, how you met, what to ask next time. You review everything before saving • Add to an existing card the same way — details that are already there are skipped • Three conversation topics before a meeting • Runs only when you ask: with your own AI key, or with Kinfolio Pro without any key KINFOLIO PRO (OPTIONAL) • Free: up to 5 people, with notes, facts, dates, reminders and AI with your own key • Kinfolio Pro: unlimited people, encrypted sync, backups and export, AI without a key • Auto-renewing subscription: €3.59/month or €29.99/year. No free trial. Cancel anytime in your Apple Account settings • Restore purchases is available on the paywall and in Settings Available in English, Ukrainian, German, Spanish, French, Italian, Dutch, Polish and Portuguese. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hollybyte.com/kinfolio/privacy.html

Screenshots

Birthday Calendar Simple4 screens
Kinfolio4 screens

Verdict

The call

The clearest difference is ads: Kinfolio at none against Birthday Calendar Simple's shown. Kinfolio also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (15.0 vs 18.1). On price, 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

Both are free to download. Birthday Calendar Simple sells 1 one-off in-app purchase and Kinfolio sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Birthday Calendar Simple ships an update every 2 months, Kinfolio every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Birthday Calendar Simple versus Kinfolio: the parameters behind the verdict, then further details
ParameterBirthday Calendar SimpleKinfolio
PriceFreeFree
Rating5.0 (7 ratings) — better—
Number of ratings7 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.115.0 — better
Further details — not scored
Size14 MB38 MB
Age rating4+4+
DeveloperTevfik YucekOleksandr Nesterov

In-app purchases

1 purchases

Birthday Calendar Simple

One-time1
  • Remove Ads$1.99
2 purchases

Kinfolio

Subscriptions2
  • Kinfolio Pro Monthly$2.991 Month
  • Kinfolio Pro Yearly$22.991 Year

Questions

Is Birthday Calendar Simple free?
Birthday Calendar Simple is free to download, with in-app purchases available.
Is Kinfolio free?
Kinfolio is free to download, with in-app purchases available.
Do Birthday Calendar Simple or Kinfolio have ads?
Birthday Calendar Simple shows ads; Kinfolio does not.
Which is updated more often, Birthday Calendar Simple or Kinfolio?
Birthday Calendar Simple ships an update every 2 months, and Kinfolio every 4 days. Most recently, Birthday Calendar Simple was updated on November 5, 2026 and Kinfolio on October 31, 2026.

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