Comparison

Cardiac Stress Test Calculator vs Quiet Time

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

Head to head
About

Cardiac Stress Test Calculator

Read full description

Cardiac stress test calculator for finding the desired heart rate for a stress test. Also includes a FAQ about what a stress test is.

About

Quiet Time

This app provides a unique countdown timer that automatically resets when it detects noise. It's designed to help children stay quiet during routines and adults maintain focus during meditation or work. Enjoy peaceful moments with a simple, distraction-free interface.

Highlights
  • Automatic noise-triggered reset
  • Child-friendly interface
  • Focus and meditation timer
  • Distraction-free design
  • Configurable countdown lengths
  • Privacy-focused, no ads or tracking
Features
Read full description

Quiet Time: Timer Countdown is the simple, calming timer designed for kids, parents, and anyone who needs a moment of silence. The timer resets automatically when it hears noise - helping kids stay quiet, helping adults stay focused, and making peaceful moments easier. Designed for Kids & Parents Keeping kids calm can be hard. Quiet Time makes it easier with a clean, child-friendly interface and a silent countdown that restarts if noise is detected. Parents use it for: • Quiet time routines • Gentle timeouts • Independent play • Calming down before bed Perfect for Adults, Too Need a reset? Use Quiet Time as: • A meditation timer • A focus timer • A mindfulness break • A distraction-free countdown • A quiet time challenge that restarts if you make noise Simple. Clean. No noise. Just time to breathe, reset, and refocus. Why Users Love Quiet Time • Timer restarts automatically when it hears noise • Distraction-free design • Fast, clean interface • Configurable countdown lengths • Works for kids and adults • Helps build independence, calm, and consistency Made for Peaceful Moments Quiet Time is built for real life—whether you’re parenting a toddler, trying to meditate for five minutes, or simply need a mindful break between tasks. The design stays out of your way so you can stay present. Safe for All Ages No accounts. No ads. No tracking. Just a simple tool to help everyone find a moment of calm. Privacy Policy: https://docs.google.com/document/d/1StT9p1ItSFJCgUoxQHX43tWZqTFDjUJmzGyCbCkG3mQ/edit?usp=sharing Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Cardiac Stress Test Calculator2 screens
Quiet Time4 screens

Verdict

The call

The clearest difference is in-app purchases: Cardiac Stress Test Calculator at none against Quiet Time's 1. Cardiac Stress Test Calculator also leads on update cadence (daily vs every 5 weeks). Quiet Time's advantage is iOS requirement (15.1 vs 17.5). 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. Quiet Time sells 1 in-app purchase, starting at $2.99 per month. Cardiac Stress Test Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Cardiac Stress Test Calculator ships an update daily, Quiet Time every 5 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
Cardiac Stress Test Calculator versus Quiet Time: the parameters behind the verdict, then further details
ParameterCardiac Stress Test CalculatorQuiet Time
PriceFreeFree
Rating—5.0 (5 ratings) — better
Number of ratings—5 — better
Update frequencyDaily — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.515.1 — better
Further details — not scored
Size3 MB77 MB
Age rating4+4+
DeveloperPeyton NewtonStephen Peck

In-app purchases

None

Cardiac Stress Test Calculator

No in-app purchases

1 purchases

Quiet Time

Subscriptions1
  • Monthly Subscription3 Days trial$2.991 Month

Questions

Is Cardiac Stress Test Calculator free?
Cardiac Stress Test Calculator is free to download, with no in-app purchases.
Is Quiet Time free?
Quiet Time is free to download, with in-app purchases available.
Do Cardiac Stress Test Calculator or Quiet Time have ads?
Neither Cardiac Stress Test Calculator nor Quiet Time shows ads.
Which is updated more often, Cardiac Stress Test Calculator or Quiet Time?
Cardiac Stress Test Calculator ships an update daily, and Quiet Time every 5 weeks. Most recently, Cardiac Stress Test Calculator was updated on November 4, 2026 and Quiet Time on October 30, 2026.

Other comparisons