NumDays2 vs Birthday Boom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NumDays2
This app helps you keep track of important dates like birthdays, anniversaries, and holidays. It offers customizable countdowns and smart categorization to ensure you never miss a significant event.
- Countdown to birthdays, anniversaries, holidays
- Organize events with smart tags
- Quick overview of upcoming events
- Full-screen countdown view
- Customizable event tracking (years, months, days, seconds)
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NumDays2 – Countdowns That Matter Never miss a birthday, anniversary, holiday, or milestone again. NumDays keeps all your important events beautifully organized and always at your fingertips. Why you’ll love NumDays? Stay Ready – Count down to birthdays, anniversaries, holidays, and custom events. Smart Tags – Organize events with simple, colorful categories. Quick Overview – See all upcoming events in one glance. Full-Screen Countdown – Focus on one event with a big, clear preview. Customizable – Add your own events and track time in years, months, weeks, days, or even seconds. Perfect for: Birthdays & Anniversaries Family & Friends’ Events Vacations & Holidays Work Deadlines & Milestones Any day that matters to you NumDays makes it simple to stay organized and never lose track of the moments that matter most. Download NumDays today and start counting down to your next big day!
Birthday Boom
Easily track important dates for friends and family. Receive timely reminders to help you prepare thoughtful messages and gifts. Stay connected and never miss a special occasion again.
- Add birthdays quickly
- Receive timely reminders
- Track friends' and family's special days
- Prepare messages and gifts
- Stay connected
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Never Miss a Birthday Again! Tired of forgetting birthdays and scrambling for last-minute gifts? You can easily keep track of your friends’ and family’s special days. Add birthdays in seconds and get timely reminders so you always have time to prepare the perfect message, gift, or celebration. Stay thoughtful. Stay connected. Download now – because remembering matters.
Screenshots
Verdict
The clearest difference is update cadence: Birthday Boom at every 3 days against NumDays2's every 68 months. Birthday Boom also leads on iOS requirement (15.1 vs 17.6). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for NumDays2 against 5.0 for Birthday Boom. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
NumDays2 ships an update every 68 months, Birthday Boom every 3 days. The most recent releases landed on June 1, 2026 and June 4, 2026 respectively.
| Parameter | NumDays2 | Birthday Boom |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 68 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 1 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Hlib Ustymenko | Maxim Indykov |
Customer experience
NumDays2
Birthday Boom
In-app purchases
NumDays2
No in-app purchases
Birthday Boom
No in-app purchases
