How old is something vs BDT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
How old is something
Easily track the age of anything, from children and pets to devices. Display ages in years, months, and days directly on your home screen widgets or Apple Watch.
- Track age of people, pets, and devices
- Display age in years, months, and days
- Home screen widgets for quick access
- Apple Watch compatibility
- Simple and intuitive interface
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This app is for people who needs to know how old something is. It could sound like a small and insignificant problem. But if for instance if you have a small child then you will get asked a lot for the age of the kid. Imagine then to have the answer, in years, months and days, directly among your today screen widgets! You don't even have to start the app to check! Or you can check on your Apple Watch, it's that simple! It doesn't have to be kids it could be cats, dogs, horses, iPhones, TVs, MacBooks. Anything!
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!
Screenshots
Verdict
The clearest difference is review sentiment: BDT at 100% against How old is something's 33%. BDT also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.7). How old is something's advantage is price (Free vs $4.99) and update cadence (every 2 months vs every 36 months). On 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
How old is something is free to download; BDT costs $4.99 up front. How old is something sells 1 one-off in-app purchase. BDT asks for nothing beyond the download.
BDT holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: How old is something has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of How old is something's written reviews are positive against 100% of BDT's.
How old is something ships an update every 2 months, BDT every 36 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.
| Parameter | How old is something | BDT |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.7 (15 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 15 — better | 3 |
| Update frequency | Every 2 months — better | Every 36 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 4 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Sebastian Bolling | Jervis Thompson |
Customer experience
How old is something
BDT
In-app purchases
How old is something
- Add many somethings!$0.99
BDT
No in-app purchases
