Comparison

BDT vs WikiTree Sourcer

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

WikiTree Sourcer

This tool streamlines genealogy research by searching other sites for records and automatically building citations from found data. It also helps locate free versions of original sources across different platforms.

Highlights
  • Search genealogy websites for records
  • Extract data to build citations
  • Find free versions of original sources
  • Minimal performance impact
  • Does not modify web pages
Features
Read full description

The WikiTree Sourcer extension saves time and typing by assisting WikiTree users with three tasks: 1. From a WikiTree profile page it provides the ability to search other genealogy websites for relevant records. 2. From one of these genealogy websites' records page it can extract data and build a citation. 3. Also from one of these genealogy websites records page it can search other genealogy websites for similar records. For example on an Ancestry page it can help find free versions of the same original source.

Screenshots

BDT3 screens
WikiTree Sourcer1 screens

Verdict

The call

The clearest difference is price: WikiTree Sourcer at Free against BDT's $4.99. WikiTree Sourcer also leads on update cadence (every 10 days vs every 36 months). BDT's advantage is rating (5.0 vs 4.3) and review sentiment (100% vs 83%). On ratings volume, ads, in-app purchases and monetization model 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

WikiTree Sourcer 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

BDT holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 100% of BDT's written reviews are positive against 83% of WikiTree Sourcer's.

UpkeepUpdate frequency

BDT ships an update every 36 months, WikiTree Sourcer every 10 days. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
BDT versus WikiTree Sourcer: the parameters behind the verdict, then further details
ParameterBDTWikiTree Sourcer
Price$4.99Free — better
Rating5.0 (3 ratings) — better4.3 (3 ratings)
Positive reviews100.0% of reviews — better83.3% of reviews
Number of ratings33
Update frequencyEvery 36 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.615.0 — better
Further details — not scored
Size44 MB26 MB
Age rating4+4+
DeveloperJervis ThompsonRobert Pavey

Customer experience

BDT

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

WikiTree Sourcer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

BDT

No in-app purchases

None

WikiTree Sourcer

No in-app purchases

Questions

Is BDT free?
BDT costs $4.99, with no in-app purchases.
Is WikiTree Sourcer free?
WikiTree Sourcer is free to download, with no in-app purchases.
Which has better reviews, BDT or WikiTree Sourcer?
BDT is rated higher. BDT averages 5.0 out of 5 from 3 ratings, while WikiTree Sourcer averages 4.3 from 3 ratings.
Do BDT or WikiTree Sourcer have ads?
Neither BDT nor WikiTree Sourcer shows ads.
Which is updated more often, BDT or WikiTree Sourcer?
BDT ships an update every 36 months, and WikiTree Sourcer every 10 days. Most recently, BDT was updated on November 3, 2026 and WikiTree Sourcer on November 3, 2026.

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