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Parenting · head to head

The Bump vs The Wonder Weeks

The Bump logo

The Bump

Parenting

Pregnancy and baby app with expert advice

From
Free
Rated
-
Full reviewWebsite
The Wonder Weeks logo

The Wonder Weeks

Parenting

Understand your baby's mental development leaps

From
$4.99/lifetime
Rated
-
Full reviewWebsite

The short version

  • Only The Bump has a free tier, so it costs nothing to try first.
  • Each has a real cost: The Bump the Bump is free with no paid tier; it carries no subscription and monetises through advertising and retail partnerships; The Wonder Weeks the app covers only the 10 mental leaps in the first 20 months of a baby's life, so it stops being relevant after that
  • They diverge on capability: The Bump covers Week-by-week pregnancy guides, The Wonder Weeks covers Mental leap calendar.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which The Bump and The Wonder Weeks actually diverge.

Attributes where The Bump and The Wonder Weeks differ
AttributeThe BumpThe Wonder Weeks
Starting priceFree$4.99/lifetime
Pricing modelfreeone-time
Free tierYesNo
PlatformsWeb, Ios, AndroidIos, Android
Founded20002010

Identical on both: user rating (Not yet rated), category (Parenting).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in The Bump

  • Week-by-week pregnancy guides
  • Baby development tracking
  • Expert advice
  • Community support
  • Registry planning
  • Due date calculator
  • Symptom checker
  • Shopping lists

Only in The Wonder Weeks

  • Mental leap calendar
  • Fussy period predictions
  • Development stage insights
  • Weekly baby updates
  • Skill development tips
  • Photo diary
  • Leap notifications
  • Game suggestions

Both cover

  • Cloud deployment
  • Ios support
  • Android support
  • English language support

What people use each for

The jobs each tool is most often brought in to do.

The Bump

  • Pregnancy informationnot The Wonder Weeks
  • Baby trackingnot The Wonder Weeks
  • Registry planningnot The Wonder Weeks
  • Parenting supportnot The Wonder Weeks

The Wonder Weeks

  • Predicting when a baby will enter a developmental leapnot The Bump
  • Understanding why a baby is unusually clingy or crying morenot The Bump
  • Stimulating new baby skills with the included playtime gamesnot The Bump

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

The Bump

  • The Bump is free with no paid tier; it carries no subscription and monetises through advertising and retail partnerships

The Wonder Weeks

  • The app covers only the 10 mental leaps in the first 20 months of a baby's life, so it stops being relevant after that
  • Sharing tracking with a partner requires linking to the partner's own copy of the app
  • The developer states neither the developer nor the author is liable for damage resulting from inaccuracies or omissions in the app

Pricing, plan by plan

The Bump

Free
  • FreeFree
    • Week-by-week guides
    • Baby development tracker
    • Expert articles

The Wonder Weeks

$4.99/lifetime
  • Standard$4.99/lifetime
    • 10 mental leaps
    • Fussy period predictions
    • Development insights

Which should you pick?

Choose The Bump if

  • You need week-by-week pregnancy guides.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want baby development tracking.
The Bump review

Choose The Wonder Weeks if

  • You need mental leap calendar.
  • You work on Ios, Android.
  • You also want fussy period predictions.
The Wonder Weeks review

Questions people ask

Is The Bump or The Wonder Weeks better?
Neither clearly leads. The Bump starts at Free and The Wonder Weeks at $4.99/lifetime, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, The Bump or The Wonder Weeks?
The Bump has a free tier; the other does not. Paid plans start at Free for The Bump and $4.99/lifetime for The Wonder Weeks.
Does The Bump or The Wonder Weeks run on more platforms?
The Bump runs on Web, Ios, Android. The Wonder Weeks runs on Ios, Android.
Can I use The Bump for free?
Yes. The Bump has a free tier, so you can try it without paying. The Wonder Weeks starts at $4.99/lifetime.
What is The Bump best used for?
The Bump is most often used for pregnancy information, baby tracking, registry planning, parenting support. Of those, pregnancy information and baby tracking are not what The Wonder Weeks is typically brought in for.
What can The Bump do that The Wonder Weeks cannot?
The Bump covers Week-by-week pregnancy guides, Baby development tracking, Expert advice, Community support. The Wonder Weeks covers Mental leap calendar, Fussy period predictions, Development stage insights, Weekly baby updates. Both handle Cloud deployment, Ios support, Android support, English language support.
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