Comparison

Bump Pulse vs Nerd Contraction Timer

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

Head to head
About

Bump Pulse

This labor tracking app helps expecting parents monitor contractions with a simple one-tap timer. It provides real-time progress sharing and helpful summaries to identify active labor, all without ads or subscriptions.

Highlights
  • One-tap contraction timer
  • Smart labor trend tracking
  • Real-time progress sharing
  • Offline functionality
  • Siri and App Shortcut integration
  • Apple Watch support
  • Live Activity display
Features
Read full description

Track contractions with confidence. Simple, smart, and built for labor. Bump Pulse is a fast and accurate contraction timer made for expecting parents. Log each contraction with a single tap and instantly view duration, frequency, and patterns that help you recognize active labor. Stay connected and supported. Share your real-time progress with your partner, doula, or midwife, no matter where they are. Why choose Bump Pulse? • One-tap contraction timer with no setup • Clean, distraction-free design for focus during labor • Smart timeline to track duration, intervals, and labor trends • Real-time sharing with your birth partner or care team • Helpful summaries to know when it may be time to go • Works offline with no account required Made to be easy to reach when you need it most • Start or stop the timer with Siri • Use App Shortcuts for even faster access • Add widgets with quick buttons to open the app fast • Start or stop from the Lock Screen without unlocking your phone • Use Live Activity to keep the timer visible and quickly jump back into the app • Track contractions from Apple Watch, including start and stop controls, quick stats, and recent contractions No ads. No subscriptions. Just clarity, calm, and control. Bump Pulse was built to give you peace of mind, so you can focus on what truly matters: bringing your baby into the world. Bump Pulse is not a medical device and does not replace the advice of your midwife or doctor.

About

Nerd Contraction Timer

Effortlessly track labor contractions with this intuitive app. It provides clear visualizations of patterns, intensity, and duration, offering smart alerts to help you know when to head to the hospital. Focus on your delivery with organized data and a clean interface.

Highlights
  • One-tap start/stop contraction tracking
  • Contraction chart with intensity levels
  • Adjustable contraction intensity
  • Edit contractions anytime
  • Smart 5-1-1 hospital alerts
  • Progress bar visualization
  • Automatic duration, interval, and frequency calculations
Features
Read full description

Nerd Contraction Timer; Track Labor Easily and Confidently Your reliable companion for every moment of labor. Designed for expecting mothers and birth partners, Contraction Timer makes it effortless to track contractions, understand patterns, and know exactly when it’s time to head to the hospital, all in one clear, intuitive view. Smart Features for Peace of Mind - One-tap start/stop to record each contraction with precision - Contraction Chart with color-coded intensity levels that instantly show how your labor is progressing - Adjust intensity easily long-press any contraction to change its strength - Edit contractions anytime by tapping once to fix or update details - Smart 5-1-1 alerts that notify you when it’s time to go to the hospital - Progress Bar that visualizes how far along you are in your delivery journey - Automatic calculations of duration, intervals, and frequency - Nerd Interface Mode — a minimalist, data-focused design for users who love clean visuals and exact stats Stay Calm. Stay Informed. Contraction Timer keeps all your contraction data organized in one simple, beautiful interface — so you can focus on what matters most: welcoming your baby. Disclaimer: This app is not a medical device. Always consult your healthcare provider to guide decisions about labor or delivery timing.

Screenshots

Bump Pulse4 screens
Nerd Contraction Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Nerd Contraction Timer at none against Bump Pulse's 1. Nerd Contraction Timer also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 80%). Bump Pulse's advantage is ratings volume (63 vs 2). On price, update cadence, ads 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

Both are free to download. Bump Pulse sells 1 one-off in-app purchase. Nerd Contraction Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nerd Contraction Timer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Bump Pulse has 63 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Bump Pulse's written reviews are positive against 100% of Nerd Contraction Timer's.

UpkeepUpdate frequency

Bump Pulse ships an update weekly, Nerd Contraction Timer every 10 days. The most recent releases landed on September 25, 2026 and July 18, 2026 respectively.

Scorecard5 real differences · 5 level
Bump Pulse versus Nerd Contraction Timer: the parameters behind the verdict, then further details
ParameterBump PulseNerd Contraction Timer
PriceFreeFree
Rating4.7 (63 ratings)5.0 (2 ratings) — better
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings63 — better2
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size55 MB31 MB
Age rating12+4+
DeveloperAURIMAS PRUSOVASClement Rousseau

Customer experience

Bump Pulse

All ratings63 ratings
Positive92.1%
Neutral1.6%
Negative6.3%
Written reviews15 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Nerd Contraction Timer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Bump Pulse

One-time1
  • Birth Certificate$4.99
None

Nerd Contraction Timer

No in-app purchases

Questions

Is Bump Pulse free?
Bump Pulse is free to download, with in-app purchases available.
Is Nerd Contraction Timer free?
Nerd Contraction Timer is free to download, with no in-app purchases.
Which has better reviews, Bump Pulse or Nerd Contraction Timer?
Nerd Contraction Timer is rated higher. Bump Pulse averages 4.7 out of 5 from 63 ratings, while Nerd Contraction Timer averages 5.0 from 2 ratings.
Do Bump Pulse or Nerd Contraction Timer have ads?
Neither Bump Pulse nor Nerd Contraction Timer shows ads.
Which is updated more often, Bump Pulse or Nerd Contraction Timer?
Bump Pulse ships an update weekly, and Nerd Contraction Timer every 10 days. Most recently, Bump Pulse was updated on September 25, 2026 and Nerd Contraction Timer on July 18, 2026.

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