Comparison

Sleep Cycle vs ReflexFlow

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

Head to head
About

Sleep Cycle

This app uses sound analysis to track sleep patterns and improve rest. It features an AI sleep coach, a smart alarm that wakes you during light sleep, and tools to identify issues like snoring. Gain insights into your sleep and build healthier habits for more energized days.

Highlights
  • AI sleep coach
  • Smart Alarm clock
  • Sound-based sleep tracking
  • Snoring and cough detection
  • Sleep sounds library
  • Long-term sleep pattern analysis
Features
Read full description

Built on science, Sleep Cycle uses sound analysis to track and improve sleep for over 3 million users worldwide. Our AI sleep coach, sleep tracker and Smart Alarm clock app help users to identify potential sleep issues, gain valuable insights into their sleep patterns and build a healthier sleep routine. Sleep Cycle is the world’s no.1 sleep app with more than 40 million downloads. Track your rest, wake refreshed, and build lifelong sleep habits. AWARDS & RECOGNITIONS Sleep Cycle has been awarded Best Sleep App in 2024 by Digital Health Magazine and featured as App of the Month in Wellness Today. In 2024, Sleep Cycle won two Merit Healthcare Awards: Gold for Mobile Digital Health Resources and Silver for Best Use of Artificial Intelligence. WITH SLEEP CYCLE YOU CAN • Get guidance based on your sleep patterns with our AI sleep coach Luma. • Wake up gently during your lightest sleep phase with our Smart Alarm clock. • Track every night using patented sound technology or accelerometer-based sleep detection, no wearables needed. • Detect nighttime noises like snoring, coughing, or sleep talking, for a path to quieter sleep. • Drift off easily using our sleep sounds library of relaxing stories, sleepy soundscapes and guided meditations. • Understand your sleep patterns with long-term trends and compare your sleep to global benchmarks. • Log sleep notes to understand how caffeine, stress, or exercise affect your rest. WHY USE SLEEP CYCLE? • Wake feeling refreshed with no more groggy mornings. • Get daily stats to help you understand your rest. • Sleep guidance based on your tracked nights. • Health insights with snoring and cough tracking for wellness. • No gadgets, just place your phone on the nightstand. • Premium tools like supportive soundscapes, sleep stories, data export, Philips HUE sunrise and Apple Health sync. ABOUT SLEEP CYCLE Sleep Cycle helps you sleep smarter. Track your nights, gain valuable insights into your sleep patterns, and wake at just the right time to start the day energized. Sleep Cycle gives you science-backed tools and an AI sleep coach Luma to help you improve your sleep for brighter days. Our popular features include: • Superior sleep tracker. • AI sleep coach. • Smart Alarm clock. • Sleep talking recorder. • Advanced sleep analysis. • Snore tracker. • Sleep timer. • Cough recorder. • Sleep stages. • Sleep programs. • SleepGPT. • Sleep goal and score. • Relaxing sleep sounds like nature, rain and ocean sounds. • Sleep Aid including calming meditations and breathing exercises. • And more features to help you improve your rest. TALK TO US If you need any help please contact our customer service at support.sleepcycle.com JOIN THE COMMUNITY ▶ Web: https://sleepcycle.com/ ▶ Instagram: https://www.instagram.com/sleepcycleapp/ ▶ TikTok: https://www.tiktok.com/@sleep_cycle ▶ Reddit: https://www.reddit.com/r/sleepcycle/ Terms & Privacy https://www.sleepcycle.com/privacy-policy/ DOWNLOAD NOW – Sleep Better with Sleep Cycle

About

ReflexFlow

Features
Read full description

The gag reflex you think you're stuck with? You can train it away. Thousands of women already have — quietly, privately, from home. ReflexFlow is the first app built to do one thing: help you lose your gag reflex for good. No clinic. No embarrassing conversations. No willpower. Just seven calm minutes a day, headphones in, and a method that actually works. BACKED BY REAL SCIENCE This isn't a gimmick. ReflexFlow is built on the exact techniques clinical researchers use to retrain the gag reflex — the same approach that helped 87.5% of people in published studies stop gagging completely. We combined three proven methods into one guided daily session: - Breathwork proven to switch your body out of "panic" and into calm — the long, slow exhale science shows shifts your nervous system in seconds. - Alexander Technique release — the clinically studied method that stops your jaw, tongue and throat from bracing. - Gradual, guided contact that moves your limit further every single session. Together they do what nothing else can: they raise your body's threshold of safety — the exact point where your gag reflex decides to fire. Every session pushes that threshold higher, until what used to trigger you simply doesn't anymore. You're not numbing yourself for one night — you're permanently raising where your safe zone ends, and training your body to keep it there. FEEL IT WORK ON DAY ONE Most women notice a difference in their very first session — your edge, already moved, in five minutes. From there, an 8-level programme takes you from your first nervous breath to total, effortless control. WHAT YOU GET - A daily guided audio session — warm, calm, never clinical - An 8-level programme engineered to move your limit fast - Streaks, levels and a comfort tracker that prove your progress back to you - Real, in-the-moment techniques for when it counts most - A daily practice that keeps your results locked in for life - A private science library so you understand exactly why it works COMPLETELY PRIVATE No account. No data collected. No tracking. Nothing is ever stored anywhere but your own phone — your practice belongs to you and only you. YOUR FIRST SESSION IS FREE Try it tonight, free — and feel your edge move before you pay a penny. Then unlock the full 8-level programme with a 3-day free trial. Cancel anytime. This is the confidence you've been waiting for. Start free. --- Read the science: https://gist.githubusercontent.com/ReflexFlow/b0ea8c9962546f2ff2d423a4af930969/raw/ReflexFlow_Science.md Terms of Use: https://gist.githubusercontent.com/ReflexFlow/e0d81769e64528280f2b68c2f69860a7/raw/terms.md Privacy Policy: https://gist.githubusercontent.com/ReflexFlow/7c4a1c8d0da3897f6771f8f2ea3c3073/raw/privacy.md Medical Disclaimer: ReflexFlow is a wellness tool, not a medical device. Consult a doctor before starting this or any new practice, and for any medical concern.

Screenshots

Sleep Cycle4 screens
ReflexFlow4 screens

Verdict

The call

The clearest difference is in-app purchases: ReflexFlow at none against Sleep Cycle's 10. Sleep Cycle's advantage is chart position (#51 vs unranked) and device support (3 vs 1). On price, ads and iOS requirement 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 sells 9 in-app purchases, starting at $2.99 per month. ReflexFlow asks for nothing beyond the download.

Scorecard3 real differences · 8 level
Sleep Cycle versus ReflexFlow: the parameters behind the verdict, then further details
ParameterSleep CycleReflexFlow
PriceFreeFree
Rating4.7 (32K ratings) — better—
Positive reviews39.6% of reviews—
Number of ratings32K — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#51 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.2 — better17.0
Further details — not scored
Size290 MB244 MB
Age rating4+17+
DeveloperSleep Cycle ABCortexity Ltd

Bugs and requests

Sleep Cycle

Reported bugs

3 issues
  • App crashes or stops recording sleep randomly
  • Inconsistent time zone handling, causing alarm issues
  • Microphone issues, unable to detect certain sounds

Requested features

4 requests
  • Ability to edit sleep data and notes
  • Nap tracking and power nap functionality
  • More customization options for alarms and sleep aid
  • Improved integration with Apple Health and other devices

ReflexFlow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Sleep Cycle

Subscriptions9
  • Sleep Cycle Premium$2.991 Month
  • Premium1 Month trial$9.991 Year
  • Premium1 Month trial$11.991 Year
Show 6 more
  • Premium1 Month trial$19.991 Year
  • Sleep Cycle Premium$19.991 Year
  • Premium1 Month trial$29.991 Year
  • Premium1 Month trial$34.991 Year
  • Premium: Unlock all features$39.991 Year
  • Sleep Cycle Premium7 Days trial2 variants$57.991 Year
None

ReflexFlow

No in-app purchases

Questions

Is Sleep Cycle free?
Sleep Cycle is free to download, with in-app purchases available.
Is ReflexFlow free?
ReflexFlow is free to download, with no in-app purchases.
Do Sleep Cycle or ReflexFlow have ads?
Neither Sleep Cycle nor ReflexFlow shows ads.

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