Comparison

BDT vs Nevvi

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

Head to head
About

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.

Highlights
  • View birthdays from contacts
  • Sort by birthdate
  • Highlight next upcoming birthday
  • Deep link to contacts
  • Display age and zodiac sign
Features
Read full description

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!

About

Nevvi

Effortlessly manage and share your personal contact information. Update your details once and instantly share them with chosen connections, ensuring everyone has your latest information without manual updates.

Highlights
  • Secure personal information vault
  • Customizable privacy controls
  • Real-time network updates
  • Easy connection management
  • Create connection groups
  • Intuitive interface
Features
Read full description

Never chase down contact information again. Tired of texting friends for their address when sending wedding invites? Frustrated updating your information everywhere after moving? Nevvi puts you in control of your personal information while keeping your connections effortlessly updated. How it works: Store your contact details once in your secure profile Connect with friends, family, and colleagues Control exactly who sees what with custom permission groups When you update your info, everyone you choose gets it instantly Perfect for: - Wedding planners coordinating guest addresses - Anyone who's moved and dreaded updating everyone - Holiday card senders gathering current addresses - Professionals maintaining network contacts - Anyone tired of outdated contact information Your data, your control: Unlike other apps that collect your information, YOU own and manage your personal details. Share your full address with close friends while giving colleagues only your email. It's that simple. Key Features: Secure personal information vault Customizable privacy controls Real-time updates to your network Easy connection management Create groups of connections Clean, intuitive interface The average person updates their contact information over 1,500 times throughout their life. Nevvi lets you do it once and share it on your terms.

Screenshots

BDT3 screens
Nevvi4 screens

Verdict

The call

The clearest difference is price: Nevvi at Free against BDT's $4.99. Nevvi also leads on update cadence (every 2 months vs every 36 months). On rating, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Nevvi is free to download; BDT costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for BDT against 5.0 for Nevvi. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

BDT ships an update every 36 months, Nevvi every 2 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
BDT versus Nevvi: the parameters behind the verdict, then further details
ParameterBDTNevvi
Price$4.99Free — better
Rating5.0 (3 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings34 — better
Update frequencyEvery 36 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size44 MB33 MB
Age rating4+4+
DeveloperJervis ThompsonTyler Standal

Customer experience

BDT

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Nevvi

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

BDT

No in-app purchases

None

Nevvi

No in-app purchases

Questions

Is BDT free?
BDT costs $4.99, with no in-app purchases.
Is Nevvi free?
Nevvi is free to download, with no in-app purchases.
Which has better reviews, BDT or Nevvi?
BDT and Nevvi are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do BDT or Nevvi have ads?
Neither BDT nor Nevvi shows ads.
Which is updated more often, BDT or Nevvi?
BDT ships an update every 36 months, and Nevvi every 2 months. Most recently, BDT was updated on October 4, 2026 and Nevvi on October 2, 2026.

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