Comparison

Sleep Optimizer vs SleepRiddle

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

Head to head
About

Sleep Optimizer

Features
Read full description

Sleep problems are very common. One way to improve sleep that has proven effective is to limit the time in bed. In this app you log your approximate time spent in bed and approximately how much of this time you have actually slept. Based on your individual sleep habits the app will then give you tailored recommendations for how you in an effective and careful way can limit the number of hours you spend in bed. This to maximize your chances to get good sleep. Please note that this app is made for you who are suffering from Insomnia. If you are suffering from sleep apnea, restless leg, narcolepsy or another similar sleep disorder you shall not use this sleep app to improve your sleep. In these cases, instead please consult your doctor to get help.

About

SleepRiddle

Features
Read full description

Track your sleep. Understand what affects it. Sleep better. SleepRiddle helps you figure out why you sleep well some nights and poorly on others. No guessing. Just clear insights based on your actual sleep data and your daily habits. See your sleep stages - light, deep, and REM sleep broken down each night. Check your heart rate, breathing, and oxygen levels while you sleep. Review your sleep history by week, month, or year. Spot trends over time. See if changes you made actually helped. Compare this month to last month. Understand your long-term sleep patterns. Privacy You Can Trust - Your sleep data stays yours. Everything is stored privately on your device. No sharing with advertisers. No selling your information. All analysis happens right on your iPhone. Works With Your Apple Devices - Connects directly to Apple Health for accurate sleep tracking. Works with your iPhone alone, even better with an Apple Watch. All your health data in one place. Built For Real People - Large, easy-to-read text. Simple navigation. No complicated charts or confusing metrics. Just the information you need to sleep better. Smart Insights Without The Noise - Find patterns between your daily habits, like caffeine, alcohol, and meals, and your sleep quality. See what actually helps you rest better. Get personalized recommendations based on your data, not generic advice. What You Need - iPhone running iOS 17 or later. Permission to access Apple Health sleep data. That's it. Perfect For - People who want better sleep without wearables they don't already own. Anyone tired of apps that share their health data. Those who prefer simple, clear information over complicated reports. Download SleepRiddle and start understanding your sleep tonight. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sleep Optimizer4 screens
SleepRiddle4 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Optimizer at none against SleepRiddle's 2. Sleep Optimizer also leads on update cadence (every 2 months vs every 9 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. SleepRiddle sells 2 in-app purchases, starting at $3.99 per month. Sleep Optimizer asks for nothing beyond the download.

UpkeepUpdate frequency

Sleep Optimizer ships an update every 2 months, SleepRiddle every 9 months. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

Scorecard4 real differences ยท 2 level
Sleep Optimizer versus SleepRiddle: the parameters behind the verdict, then further details
ParameterSleep OptimizerSleepRiddle
PriceFreeFree
Update frequencyEvery 2 months โ€” betterEvery 9 months
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size21 MB15 MB
Age rating4+4+
DeveloperLivanda - Internetkliniken ABS Ravi Shankar

In-app purchases

None

Sleep Optimizer

No in-app purchases

2 purchases

SleepRiddle

Subscriptions2
  • Monthly Subscription7 Days trial$3.991 Month
  • Yearly7 Days trial$12.991 Year

Questions

Is Sleep Optimizer free?
Sleep Optimizer is free to download, with no in-app purchases.
Is SleepRiddle free?
SleepRiddle is free to download, with in-app purchases available.
Do Sleep Optimizer or SleepRiddle have ads?
Neither Sleep Optimizer nor SleepRiddle shows ads.
Which is updated more often, Sleep Optimizer or SleepRiddle?
Sleep Optimizer ships an update every 2 months, and SleepRiddle every 9 months. Most recently, Sleep Optimizer was updated on October 6, 2026 and SleepRiddle on September 29, 2026.

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