BDT vs Sincerely
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BDT
Easily track all important dates with this iPhone companion. It displays upcoming birthdays from your contacts, showing ages and zodiac signs. Stay organized and never miss a celebration.
- View birthdays from contacts
- Sort by birthdate
- Highlight next upcoming birthday
- Deep link to contacts
- Display age and zodiac sign
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Introducing the ultimate birthday companion for your iPhone. Never miss a friend or family member's special day again! With this app, you can easily view all the birthdays stored in your Contacts app sorted by birthdate. The app highlights the next upcoming birthday making it easier for you to plan ahead. It also deep links to your contacts app. Plus, it even displays people’s age and zodiac sign, making it a fun and interactive way to stay organized. Download Birthdays today and make sure you never forget a birthday ever again!
Sincerely
Never forget important dates or personal details again. This app helps you track custom occasions, remember likes and dislikes, and manage gift ideas for everyone you know. Stay organized with home screen widgets and timely notifications.
- Custom occasion reminders
- Contact profile tracking
- Gift idea organizer
- Home screen widgets
- Time-sensitive notifications
- Searchable occasion lists
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In a world overflowing with events, moments, and milk cartons with expired dates, wouldn’t it be nice to be able to remember it all? What if you had a friend that new all the big and small occasions, to give you a little reminder? Here's how it works: - Remember occasions for anything From holidays to the day you adopted your pet turtle, Leonard. Our custom occasions feature ensures you can remember every event that is important to you. - Track likes & dislikes With detailed contact profiles, you'll remember Aunt Linda's newfound love for salsa dancing or Kelly’s latest kitchen disaster. - Easily sort & search all occasions Customized lists for any occasions you want, half-birthdays, holidays, first day of school, anything you want. - Gift ideas tracker Give better gifts by writing down the small wants you hear about from someone throughout the year, making that time of year stress-free. - Home screen widgets See upcoming occasions front and center. - Time-sensitive notifications When occasions get close we will send you notifications so you have plenty of time to prepare. Forgot Grandma’s birthday again? We didn’t. And hey, we're here to ensure you remember next time. Can’t remember if it’s your third or fourth anniversary? No worries, your friends here at sincerely-est know, we won’t tell if you don’t...
Screenshots
Verdict
The clearest difference is price: Sincerely at Free against BDT's $4.99. Sincerely also leads on update cadence (every 4 months vs every 36 months). BDT's advantage is ratings volume (3 vs 1) and iOS requirement (15.6 vs 17.0). On rating, review sentiment, ads and in-app purchases 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
Sincerely is free to download; BDT costs $4.99 up front. 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 BDT against 5.0 for Sincerely. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
BDT ships an update every 36 months, Sincerely every 4 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.
| Parameter | BDT | Sincerely |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 36 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 44 MB | 59 MB |
| Age rating | 4+ | 12+ |
| Developer | Jervis Thompson | Vilidea LLC |
Customer experience
BDT
Sincerely
In-app purchases
BDT
No in-app purchases
Sincerely
No in-app purchases









