Comparison

Sleep Cycle Simple Calculator vs EmberKeep

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

Head to head
About

Sleep Cycle Simple Calculator

Features
Read full description

Wake up feeling energized and refreshed every single day! Did you know that waking up in the middle of a deep sleep cycle is the main cause of morning grogginess? Your body sleeps in natural sleep cycles, and waking up at the end of a cycle ensures you feel alert and ready to tackle the day. Sleep Cycle Simple Calculator takes the guesswork out of your bedtime routine. Whether you are heading to bed right now or need to wake up for an early meeting, our app calculates the perfect time for you to set your alarm. Dark Mode Support: A user interface that is easy on the eyes for late-night use. Stop guessing and start sleeping better. Download Sleep Cycle Simple Calculator today and master your mornings

About

EmberKeep

Features
Read full description

Build a routine. Grow a place of your own. Emberkeep turns everyday habits into an illustrated keep that grows with your consistency. Start small, save your progress, and make a home for your routines. TRACK YOUR WAY Create simple check-offs, measured goals, timers, avoidance goals, and step-by-step routines. Add water or pages throughout the day, pause and resume a timer, and return to an unfinished checklist. Partial effort stays saved. A CLEAR PLAN FOR TODAY See remaining habits first, with completed and skipped habits below. Use flexible schedules, reminders, rest days, and pause controls. Review and correct recent history. MAKE YOUR KEEP YOUR OWN Reach six illustrated building stages through qualifying active days. Choose finishes and display furnishings, titles, painted themes, alternate app icons, and celebration styles. Craft favorite rewards with shards. Missed days do not take your buildings away. UNDERSTAND YOUR PROGRESS Explore habit history, streaks, schedule-aware completion rates, and weekly reflections. Daily deeds, a weekly challenge, character attributes, and long-term mastery give your progress extra meaning. PRIVATE AND FREE No account, ads, subscription, or tracking. Your data stays on your devices and in your private iCloud when sync is available. Optional, read-only Apple Health linking supports compatible habits. Export backups from Settings. Built for iPhone and iPad, with widgets, Siri shortcuts, Dynamic Type, VoiceOver labels, and Reduce Motion support.

Screenshots

Sleep Cycle Simple Calculator4 screens
EmberKeep4 screens

Verdict

The call

The clearest difference is update cadence: Sleep Cycle Simple Calculator at every 2 days against EmberKeep's every 2 months. Sleep Cycle Simple Calculator also leads on iOS requirement (15.1 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sleep Cycle Simple Calculator ships an update every 2 days, EmberKeep every 2 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 4 level
Sleep Cycle Simple Calculator versus EmberKeep: the parameters behind the verdict, then further details
ParameterSleep Cycle Simple CalculatorEmberKeep
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size31 MB55 MB
Age rating4+4+
DeveloperMarius KuzminskasJerry Crews

In-app purchases

None

Sleep Cycle Simple Calculator

No in-app purchases

None

EmberKeep

No in-app purchases

Questions

Is Sleep Cycle Simple Calculator free?
Sleep Cycle Simple Calculator is free to download, with no in-app purchases.
Is EmberKeep free?
EmberKeep is free to download, with no in-app purchases.
Do Sleep Cycle Simple Calculator or EmberKeep have ads?
Neither Sleep Cycle Simple Calculator nor EmberKeep shows ads.
Which is updated more often, Sleep Cycle Simple Calculator or EmberKeep?
Sleep Cycle Simple Calculator ships an update every 2 days, and EmberKeep every 2 months. Most recently, Sleep Cycle Simple Calculator was updated on October 18, 2026 and EmberKeep on October 10, 2026.

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