Comparison

Big Daddy vs Bump Buddy

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

Head to head
About

Big Daddy

This app provides expectant fathers with weekly updates on their baby's development and practical advice to support their partner. It offers visual size comparisons, doctor-reviewed articles, and tools like a contraction timer and birth prep checklists.

Highlights
  • Weekly baby development tracking
  • Visual size comparisons
  • Doctor-reviewed pregnancy articles
  • Contraction timer
  • Birth preparation checklists
  • Baby name shortlist
Features
Read full description

The Big Daddy – The Pregnancy App for Dads Becoming a dad? You’ve got this. The Big Daddy is the definitive modern pregnancy app built specifically to help fathers-to-be feel confident, help their partner and prepare for their baby. Get high quality, clear, practical, real-doctor guidance so you can support your partner, understand your baby’s development, and feel confident from week 1 to birth day. We don't need your email address so we don't ask for it; everything is private and secure, and stays on your phone. We're introducing the Bumpie(TM) - take weekly photos of your partner with our custom photo app that allows you to align and overlay previous photos for pro-level timelapse videos showing the baby growing - the ultimate pregnancy keepsake! Add in our home screen widget, contraction timer, baby decoder and our own name dictionary, this is pre-Dadding at the next level. Research shows that dads who are involved during pregnancy strengthen family bonds and reduce stress for their partner. This app helps you show up — informed, prepared, and ready. Created in 2019 by a real dad and medical doctor, The Big Daddy is your weekly guide to fatherhood. Track Your Baby’s Development • Weekly pregnancy updates from conception to birth • Understand what’s happening with your baby and your partner • Clear, no-nonsense explanations without overwhelming medical jargon Visual Size Comparisons • Fun, bold size comparisons each week • Memorable visuals designed with dads in mind • Shareable and easy to understand Practical Advice for Real Life • 40+ doctor-reviewed pregnancy articles • Signs of labour, food safety, hospital prep, and more • Straightforward advice on how to support your partner Be Ready for Birth Day • Built-in contraction timer • Hospital bag and birth prep checklists • Custom baby name shortlist Personalised Experience • Add your partner’s name • Custom due date tracking • Clean, distraction-free design Free Features • Full weekly development tracking • Size comparisons • Selected guidance articles • Completely ad-free • Private and secure - everything stays on your phone. Premium Upgrade Unlock the full experience with pro membership: • All 40+ expert articles • Contraction timer • Complete checklists and name dictionary • Bumpies Legal Information: Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.thebigdaddyapp.com/privacyandterms/ The information in this app is general educational content and is not a substitute for professional medical advice. Always consult a qualified healthcare professional for personalised guidance during pregnancy.

About

Bump Buddy

Read full description

The #1 Pregnancy App Built for Dads. Most pregnancy apps are made for mums. Bump Buddy is made for you. Whether you're counting down to the due date or figuring out how to change a nappy at 3am - Bump Buddy gives you the knowledge, tools, and confidence to show up as the dad you want to be. Week-by-Week Pregnancy Tracker: Baby development updates written for dads - no jargon See what's changing for mum and baby every single week Fun size comparisons (week 12: your baby is a chicken nugget) Know exactly what to expect at every scan and milestone Dad School: Bite-sized lessons built around real fatherhood skills Labour, birth, and delivery — what to do and how to stay calm Newborn care: feeding, nappy changes, sleep routines, and bonding Hypnobirthing, birth plans, and supporting your partner in labour Ready for the Big Day: Hospital bag checklist for dad, mum, and baby Contraction timer - track labour in real time, stay organised Baby essentials checklist to get your home ready Emergency guides so you're never caught off guard Extras Dads Actually Use What Type of Dad Will You Be? - Take the quiz and find out Baby name generator and shortlist builder Nursery fee calculator (UK) Regional health articles from NHS, Cleveland Clinic & more Why Dads Choose Bump Buddy Pregnancy can feel overwhelming when everything is aimed at mum. Bump Buddy puts you in the picture - so you feel informed, involved, and ready. Hundreds of dads and partners are already using Bump Buddy to prepare for one of life's biggest moments. Be the partner she needs. Be the dad your baby deserves. Download Bump Buddy - it's free to get started.

Screenshots

Big Daddy4 screens
Bump Buddy4 screens

Verdict

The call

The clearest difference is update cadence: Bump Buddy at every 3 weeks against Big Daddy's every 2 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Big Daddy sells 4 in-app purchases, starting at $0.99 per month and Bump Buddy sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Big Daddy ships an update every 2 months, Bump Buddy every 3 weeks. The most recent releases landed on November 6, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Big Daddy versus Bump Buddy: the parameters behind the verdict, then further details
ParameterBig DaddyBump Buddy
PriceFreeFree
Rating4.7 (478 ratings) — better—
Positive reviews70.6% of reviews—
Number of ratings478 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size197 MB57 MB
Age rating12+17+
DeveloperChristopher DeutschMarlow Labs Limited

Bugs and requests

Big Daddy

Reported bugs

2 issues
  • Formatting in articles has gone awry
  • Crashed upon opening

Requested features

5 requests
  • Option to convert measurements from metric to standard
  • Add a sharing function for weekly updates
  • More information on Hyperemesis Gravidarum (HG)
  • Add gender selection option
  • Daily notifications of interesting info

Bump Buddy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Big Daddy

Subscriptions2
  • Monthly Premium$0.991 Month
  • Pregnancy Pass$4.991 Year
One-time2
  • Full Access$2.99
  • Lifetime Access$12.99
1 purchases

Bump Buddy

One-time1
  • Bump Buddy Pro$4.99

Questions

Is Big Daddy free?
Big Daddy is free to download, with in-app purchases available.
Is Bump Buddy free?
Bump Buddy is free to download, with in-app purchases available.
Do Big Daddy or Bump Buddy have ads?
Neither Big Daddy nor Bump Buddy shows ads.
Which is updated more often, Big Daddy or Bump Buddy?
Big Daddy ships an update every 2 months, and Bump Buddy every 3 weeks. Most recently, Big Daddy was updated on November 6, 2026 and Bump Buddy on October 24, 2026.

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