Comparison

Sleep Cycle Calculator vs WeightTracker

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

Head to head
About

Sleep Cycle Calculator

Features
Read full description

Pick the time you need to wake up — get four bedtimes that land you on exact 90-minute sleep cycles. - Wake time picker, instant suggestions - Bedtime reminders - Weekly sleep logs - Themes for dark-room bedside use - No sensors, no Apple Watch needed Who it's for For shift workers, students and parents — anyone who wakes up wrecked and wants a smarter bedtime. Subscription Premium is available as a weekly, monthly or yearly auto-renewing subscription, or as a one-time Lifetime purchase. Subscriptions auto-renew unless you cancel at least 24 hours before the end of the period. You can cancel anytime in your Apple ID Subscription Settings. Payment is charged to your Apple ID. Privacy: everything stays on your device by default. No analytics SDKs, no cross-app tracking. Privacy policy at https://bestpaid.app/legal/privacy. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

WeightTracker

Features
Read full description

WeightTracker makes it easy to not only track your weight, but also to set goals, see statistics, and more. Featuring an Apple Watch app, home and lock screen widgets, Shortcuts capability, Control Centre widgets, and more, WeightTracker is your one stop-shop for staying on top of your weight. Set your goal, and start tracking today. With WeightTracker you can set up your goals how you like them - whether you are trying to lose weight, gain weight, or just maintain a consistent level. You can also easily check your BMI, and track it over time as well. WeightTracker connects to Apple Health, and can read your weight entries from other apps, and can write to Apple Health as well. You can easily export your weight logs and goal data in CSV format, or to a PDF in the form of reports, showing your monthly, or all-time statistics. The basic version of WeightTracker is free to use, including goals and reports. Upgrading to WeightTracker Pro is a simple, one-off purchase, which allows the following: - Access to the Trends screen, allowing you to delve into your data even more - Custom Weight Change Indicator Colours - Tab Bar Customisation - Custom App Icons Please contact Support@LifeTracker.Studio with any concerns, bugs, issues, or suggestions, or visit LifeTracker.Studio for more information on WeightTracker or any of our other apps. Happy Tracking!

Screenshots

Sleep Cycle Calculator4 screens
WeightTracker4 screens

Verdict

The call

The clearest difference is update cadence: WeightTracker at every 4 weeks against Sleep Cycle Calculator'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. Sleep Cycle Calculator sells 4 in-app purchases, starting at $2.99 per 7 days and WeightTracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sleep Cycle Calculator ships an update every 2 months, WeightTracker every 4 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

Scorecard1 real difference · 5 level
Sleep Cycle Calculator versus WeightTracker: the parameters behind the verdict, then further details
ParameterSleep Cycle CalculatorWeightTracker
PriceFreeFree
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS17.0 — better18.6
Further details — not scored
Size45 MB24 MB
Age rating4+4+
DeveloperVasilii PolovnikovEthan Milton Wilde

In-app purchases

4 purchases

Sleep Cycle Calculator

Subscriptions3
  • Premium · 1 week$2.997 Days
  • Premium · 1 month$3.991 Month
  • Premium · 1 year$5.991 Year
One-time1
  • Premium · Lifetime$7.99
1 purchases

WeightTracker

One-time1
  • WeightTracker Pro$0.99

Questions

Is Sleep Cycle Calculator free?
Sleep Cycle Calculator is free to download, with in-app purchases available.
Is WeightTracker free?
WeightTracker is free to download, with in-app purchases available.
Do Sleep Cycle Calculator or WeightTracker have ads?
Neither Sleep Cycle Calculator nor WeightTracker shows ads.
Which is updated more often, Sleep Cycle Calculator or WeightTracker?
Sleep Cycle Calculator ships an update every 2 months, and WeightTracker every 4 weeks. Most recently, Sleep Cycle Calculator was updated on October 31, 2026 and WeightTracker on November 10, 2026.

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