Comparison

LuminaSleep vs Bedtime Calculator

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

Head to head
About

LuminaSleep

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Master Your Sleep, Master Your Time Do you sleep for 8 hours but still wake up feeling groggy and tired? Or do you struggle to find the right time to go to bed to ensure a productive tomorrow? LuminaSleep helps you harmonize your schedule with your body's natural biological rhythms. By leveraging the science of 90-minute sleep cycles, we help you say goodbye to morning grogginess and hello to peak energy. KEY FEATURES: Smart Cycle Calculator Stop guessing. Calculate the perfect time to fall asleep or wake up based on natural sleep cycles. Ensure you wake up during light sleep, feeling refreshed and ready to seize the day. Visual Data Insights Understand your rest like never before. Trend Tracking: Monitor your weekly sleep patterns with intuitive charts. Quality Analysis: Record your sleep quality and see detailed statistics regarding your rest duration and consistency. Cycle Breakdown: Visualize your sleep stages to optimize your schedule. Optimize Your Routine Get personalized suggestions on when to prepare for bed. We help you build consistent habits that improve not just your nights, but your daytime productivity. WHY LuminaSleep? Sleep is the foundation of a productive life. When you control your sleep, you control your time. Whether you are an early bird, a night owl, or just want to feel better, LuminaSleep is your personal sleep assistant. Download now and start waking up better! Simple & Elegant Designed with a clean, dark interface that is easy on the eyes at night. No clutter, just the tools you need to master your time. About Subscription LuminaSleep offers auto-renewing subscription options to access premium features. • Payment will be charged to your iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Bedtime Calculator

Features
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Wake up at the end of a sleep cycle, not in the middle of one. Coddle turns the time you need to be up into the bedtime that gets you there rested — then walks you down to it with a quiet wind-down instead of a jarring alarm. Most sleep apps listen to you all night and hand you a graph in the morning. Coddle works the other way round: it plans the night before it starts. Tell it when you want to rise and it lays out three bedtimes built on 90-minute cycles, adds your own fall-asleep buffer, and reminds you when it is time to dim the lights. Log how the night actually went in a few taps, and a calm weekly chart shows whether you are paying down sleep debt or piling it up. WHAT YOU GET • Rise feeling clear instead of groggy by timing bedtime to the end of a full 90-minute cycle • Pick the bedtime that fits tonight from three options for 4, 5 or 6 complete cycles • Flip the calculator around when you are already in bed and see the best wake-up times ahead • Actually get off your phone on time with a wind-down nudge 15 to 60 minutes before a soft bedtime cue • Settle your breath and set down one line for the night in a two-minute guided wind-down • Spot short nights before they turn into a rough week with a 7-night chart and a running sleep-debt figure PERFECT FOR • Early starts, exams and long commutes where the alarm is fixed and the bedtime has to bend • Shift workers whose bedtime moves every few days • Anyone who wakes up exhausted after eight hours and suspects the timing is wrong, not the amount • People who know they should wind down earlier and just need a gentle push at the right minute WHY NOT JUST SET AN ALARM? An alarm only knows when you need to be up. It does not know that waking 20 minutes earlier, at the end of a cycle, would leave you sharper than sleeping longer. Coddle does the arithmetic in the evening so the morning takes care of itself, and it adds the part alarms skip entirely: helping you get to bed in the first place. PRIVATE BY DEFAULT Your bedtimes, moods, ratings and journal lines are stored only on this device. There is no account, no cloud sync, no advertising and nothing sent anywhere. Reminders are scheduled locally, so the app works fully offline. FULL ACCESS Coddle is a premium app. A subscription is required to use it: choose weekly or yearly auto-renewing, or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account at confirmation of purchase. Manage or cancel any time in your App Store account settings. Set tomorrow's wake time now, tuck in at the bedtime Coddle gives you, and see how different the morning feels. Terms of Service: https://pnkl26.web.app/terms-of-service Privacy Policy: https://pnkl26.web.app/privacy-policy Support: pnkhanhlinh0206@gmail.com

Screenshots

LuminaSleep4 screens
Bedtime Calculator4 screens

Verdict

The call

LuminaSleep and Bedtime Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. LuminaSleep sells 2 in-app purchases, starting at $2.99 per month and Bedtime Calculator sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
LuminaSleep versus Bedtime Calculator: the parameters behind the verdict, then further details
ParameterLuminaSleepBedtime Calculator
PriceFreeFree
Update frequency—Every 4 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size13 MB4 MB
Age rating4+4+
DeveloperShenzhen Huisheng Computer Technology Co.,LtdLinh Phan Nhat Khanh

In-app purchases

2 purchases

LuminaSleep

Subscriptions2
  • Monthly Premium7 Days trial$2.991 Month
  • Yearly Premium14 Days trial$29.991 Year
3 purchases

Bedtime Calculator

Subscriptions2
  • Coddle Premium Weekly$2.997 Days
  • Coddle Premium Yearly$14.991 Year
One-time1
  • Rest Tracker Lifetime$29.99

Questions

Is LuminaSleep free?
LuminaSleep is free to download, with in-app purchases available.
Is Bedtime Calculator free?
Bedtime Calculator is free to download, with in-app purchases available.
Do LuminaSleep or Bedtime Calculator have ads?
Neither LuminaSleep nor Bedtime Calculator shows ads.

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