Only Birthdays vs Know Your Contacts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Only Birthdays
Easily track all your important dates with this app. Get timely reminders for birthdays and see how many days are left until the event. It offers a clean interface with light and dark modes, plus curated gift suggestions.
- Birthday tracking
- Contact import
- Customizable reminders
- Days until birthday display
- Age calculation
- Gift ideas
- Light and dark modes
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Track the birthdays of your contacts and get reminders. Display days until a birthday, and the age of your friends and family. Import from contacts. Import and export from files. Light mode and dark mode. Hot gift ideas curated frequently. No ads, no subscriptions!
Know Your Contacts
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Know Your Contacts is the ultimate contact management app to help you stay on top of the details that make your personal and professional relationships more meaningful. From organizing birthdays to tracking KYC (Know Your Customer) details and even creating profiles for family members, this app ensures you're always prepared. Whether it's remembering the class of your best friend's kids or keeping track of your colleague's son's school and age for the next company event, Know Your Contacts ensures you're never caught off guard. You can also build a personal "Know Your Family" database—birthdays, anniversaries, favorite gifts, and more. Imagine meeting your cousin’s kids and giving them the perfect gift because you remembered their favorite things, or effortlessly asking a prospect how their son's first year at Harvard has been—even after a year since your last meeting. With Know Your Contacts, these thoughtful moments become second nature. Designed for simplicity and efficiency, the app allows you to quickly enter and organize essential details about your contacts in just a few clicks. No clutter, no overwhelm—just exactly what you need, when you need it. Whether you’re deepening personal connections or nurturing professional relationships, Know Your Contacts ensures you always have the right details at your fingertips—making every interaction more thoughtful, personal, and impactful. Subscriptions : Limited (1 Month @ 0.99 $) - Ads free access for one month. Unlimited (Lifetime @ 9.99 $) - Ads free access for lifetime. Terms of use - https://kycontacts.com/terms-of-use/ Privacy Policy - https://kycontacts.com/kyc/
Screenshots
Verdict
The clearest difference is in-app purchases: Only Birthdays at none against Know Your Contacts's 2. Know Your Contacts's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, 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
Both are free to download. Know Your Contacts sells 2 in-app purchases, starting at $0.99 per month. Only Birthdays asks for nothing beyond the download.
Only Birthdays ships an update every 3 weeks, Know Your Contacts fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Only Birthdays | Know Your Contacts |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | DDGA Ltd. | Krykk Ltd |
In-app purchases
Only Birthdays
No in-app purchases
Know Your Contacts
- Monthly Plan$0.991 Month
- One time$9.99
Questions
Is Only Birthdays free?
Is Know Your Contacts free?
Do Only Birthdays or Know Your Contacts have ads?
Which is updated more often, Only Birthdays or Know Your Contacts?
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