Comparison

Big Daddy vs Surely

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 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

Surely

Features
Read full description

Instant medical care, at your doorstep. Surely connects you with qualified healthcare professionals for at-home medical services — delivered in 30 to 60 minutes. Whether you need a nurse for wound care, a vaccination, or a nebulisation session, Surely brings the clinic to you. At-Home Medical Services Book a professional nurse or caregiver for your home visit Services include wound dressing, vaccinations, nebulisation, and more Real-time tracking — see your nurse on the map as they head to you Live status updates from booking confirmation to visit completion Doctor Appointments Browse verified doctors and view their profiles Book appointment slots that fit your schedule Secure in-app payments via Razorpay Built for families Add family members and book services on their behalf Manage multiple delivery addresses View your complete visit history and reports Safe, transparent, and reliable Every service provider is verified and rated In-app chat with your assigned nurse Post-visit reports and documents, right in the app Cancel or reschedule anytime How it works Browse services and add to cart Choose instant (30–60 min) or scheduled Pick your address and confirm booking Track your nurse live and get notified at every step Pay securely after your visit

Screenshots

Big Daddy4 screens
Surely4 screens

Verdict

The call

The clearest difference is in-app purchases: Surely at none against Big Daddy's 4. Surely also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (15.0 vs 17.6). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Big Daddy sells 4 in-app purchases, starting at $0.99 per month. Surely asks for nothing beyond the download.

UpkeepUpdate frequency

Big Daddy ships an update every 2 months, Surely every 2 days. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Big Daddy versus Surely: the parameters behind the verdict, then further details
ParameterBig DaddySurely
PriceFreeFree
Rating4.7 (474 ratings) — better—
Positive reviews71.9% of reviews—
Number of ratings474 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size197 MB59 MB
Age rating12+17+
DeveloperChristopher DeutschAartas Care Private 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

Surely

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
None

Surely

No in-app purchases

Questions

Is Big Daddy free?
Big Daddy is free to download, with in-app purchases available.
Is Surely free?
Surely is free to download, with no in-app purchases.
Do Big Daddy or Surely have ads?
Neither Big Daddy nor Surely shows ads.
Which is updated more often, Big Daddy or Surely?
Big Daddy ships an update every 2 months, and Surely every 2 days. Most recently, Big Daddy was updated on October 14, 2026 and Surely on October 4, 2026.

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