Comparison

SleepImage vs Wesper

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

Head to head
About

SleepImage

This app records, transfers, and analyzes sleep quality data when paired with specific devices. It offers a simple, intuitive experience for understanding sleep diagnostics and empowering better health decisions. It is designed for reliability and accuracy, turning complex sleep information into actionable insights.

Highlights
  • Record sleep quality data
  • Transfer sleep data
  • Analyze sleep quality
  • Pair with SleepImage devices
  • Intuitive user experience
  • Actionable sleep insights
Features
Read full description

Sleep better – Live better. The SleepImage Mobile App makes understanding your sleep effortless. Designed for reliability, simplicity, and accuracy, it pairs seamlessly with SleepImage devices to record, transfer, and analyze sleep quality data using the FDA-cleared CE-marked SleepImage System software (SaMD). Built for reliability and ease of use, the SleepImage app provides a modern, intuitive experience across iOS devices. Whether you’re completing a home sleep test or collaborating with your healthcare provider, SleepImage turns complex sleep diagnostics into clear, actionable information. Why you’ll love the SleepImage app: -- Reliable & Accurate: Built on a secure, medical-grade sleep health platform trusted worldwide. -- Simple & Intuitive: Guided setup and pairing makes home sleep testing easy. -- Smarter Insights: High-quality, sleep analysis data empowers better clinical decisions. -- Cross-Platform Consistency: Enhanced performance and compatibility. If you experience poor sleep, snoring, or suspect a sleep disorder, talk to your healthcare provider about a SleepImage evaluation. Reliable data leads to better understanding—and better health. Learn more at www.sleepimage.com. ABOUT SLEEPIMAGE SleepImage is a global innovator in clinically validated, non-invasive sleep health technology. Backed by more than 130 peer-reviewed scientific publications, our medical-grade sleep monitoring systems help clinicians bring objective sleep health assessment into everyday care. SleepImage — redefining how the world measures sleep.

About

Wesper

This app analyzes your sleep patterns, including breathing and snoring, using wireless patches. It provides immediate, actionable insights from sleep specialists to help you understand and improve your rest. View sleep metrics and a time-lapse of your sleeping positions.

Highlights
  • Sleep analysis with wireless patches
  • Tracks snoring and respiration rate
  • Provides actionable sleep insights
  • Immediate sleep reports
  • Visualizes sleeping positions
  • Bluetooth connectivity
Features
Read full description

BETTER SLEEP AT YOUR FINGERTIPS The Wesper app pairs with Wesper's wireless at home sleep analysis tool to help you improve your sleep. Irregular Breathing? Not feeling well-rested? Figure out the why's behind your restfulness, breathing, snoring hygiene and more. Implement actionable insights from our sleep specialists. Just connect your Wesper app to your Wesper patches via Bluetooth. SLEEP METRICS When paired with the Wesper patches, the Wesper app gives you insight into your: - Snoring - Respiration rate - Breathing - Heart rate Even see a time lapse animation of your sleeping positions so you know what works for you. IMMEDIATE RESULTS Your sleep report is ready when you wake up, no waiting necessary. ACTIONABLE INSIGHTS Discover actionable insights that you can implement before going to bed, right in the app. IMPORTANT USAGE INFORMATION Wesper is not a medical device, and is not approved or cleared for medical use by the FDA, or any other regulatory authority. It does not provide medical diagnosis, screening or any other clinical information. If you have any medical concerns while using this app, or in general, please seek a doctor's advice before making medical decisions.

Screenshots

SleepImage4 screens
Wesper4 screens

Verdict

The call

The clearest difference is rating: SleepImage at 3.1 against Wesper's 2.5. On price, review sentiment, ratings volume and update cadence 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.

ReceptionRating · Positive reviews · Number of ratings

SleepImage holds the better App Store score, 3.1 against 2.5. Both are backed by a comparable volume of ratings — 186 and 104 respectively. Written reviews split almost evenly too, at 30% and 30% positive.

UpkeepUpdate frequency

SleepImage ships an update monthly, Wesper every 3 weeks. Both last shipped on October 29, 2026.

Scorecard1 real difference · 9 level
SleepImage versus Wesper: the parameters behind the verdict, then further details
ParameterSleepImageWesper
PriceFreeFree
Rating3.1 (186 ratings) — better2.5 (104 ratings)
Positive reviews30.4% of reviews30.4% of reviews
Number of ratings186 — better104
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better16.6
Further details — not scored
Size27 MB39 MB
Age rating4+17+
DeveloperSleepImageTatch Inc.

Customer experience

SleepImage

All ratings184 ratings
Positive50.5%
Neutral8.7%
Negative40.8%
Written reviews46 reviews
Positive30.4%
Neutral2.2%
Negative67.4%

Wesper

All ratings104 ratings
Positive34.6%
Neutral4.8%
Negative60.6%
Written reviews56 reviews
Positive30.4%
Neutral3.6%
Negative66.1%

User reviews

SleepImage

From 186 App Store ratings

What we love

  • 👍 Easiest apnea testing method
  • 👍 Comfortable and least obstructive
  • 👍 Simple to use
  • 👍 Game changer sleep study
  • 👍 Excellent device

Room to improve

  • 🐛 Error messages on patient ID entry
  • 🐛 Device disconnects frequently
  • 🐛 Uploads get stuck
  • 🐛 Data not received by clinic
  • 🐛 Confusing setup instructions

Wesper

From 104 App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Simple navigation
  • 👍 Helpful reports
  • 👍 Comfortable to wear
  • 👍 Quick setup

Room to improve

  • 🐛 App crashes
  • 🐛 Data upload failures
  • 🐛 Lost data
  • 🐛 Patch disconnection errors
  • 🐛 Poor adhesive

Bugs and requests

SleepImage

Reported bugs

13 issues
  • Error messages when entering patient ID
  • Device disconnects
  • Uploads get stuck
  • Data not received by sleep clinic
  • App doesn't work on newer iPhones/Android
Show 8 more
  • App crashes or stops frequently
  • App disconnects from device during overnight study
  • Cannot log in with patient ID
  • System error on login
  • Bluetooth connection issues
  • App never uploads data
  • App doesn't connect
  • App has connection problems

Requested features

7 requests
  • Notification for Bluetooth disconnection
  • Notification for recording stoppage
  • App continues to collect and sync data when closed
  • Option to bypass email sign-up
  • Improved customer service
Show 2 more
  • Retry feature for data upload
  • Clearer instructions for Bluetooth connection

Wesper

Reported bugs

56 issues
  • App crashes during the night
  • No resume option after crash
  • No feedback on data upload progress
  • Phone's screen auto-off interferes with app
  • Backup upload method broken
Show 51 more
  • Patch disconnected error forces restart
  • Video doesn't open after restart
  • App won't load
  • Won't recognize password
  • Access denied when resetting password
  • Data randomly deleted
  • Equipment wouldn't work
  • Impossible to start tests
  • Adhesive on pads not good
  • Finger oximeter data issue
  • Upload fails
  • Data stuck uploading
  • No way to restart upload
  • App frozen on upload screen
  • Pads don't have enough battery life
  • No way to charge pads
  • Constantly misses recordings
  • Constantly deletes recordings
  • No way to do anything in the app
  • Reports don't work
  • Data lost due to poorly designed app
  • No number to start test
  • No support phone answer
  • No report option
  • Tech support unresponsive
  • No way to schedule consultation
  • Scheduled zoom calls ignored
  • Useless automated email replies
  • App freezes when downloading
  • Downloading stuck at 94%
  • Cannot start back after restart
  • Delay in producing sleep report
  • Sleep report never comes
  • Didn't save report
  • Stuck on 'uploading your sleep data' at 0%
  • Logged out and data lost after force quit
  • App unstable
  • Loses entire nights of sleep data
  • Frozen on uploading screen
  • Doesn't seem to work on iPhone 12
  • Loses entire nights of data
  • Missing reports after update
  • Reports button missing in app
  • App would not upload data
  • Need to retake the test
  • Inconsistency is consistent
  • Don't place pads back on charger without uploading data
  • Finger thing loses data a lot
  • Takes almost a full day for report to come through
  • Pad adhesive not great
  • Woke up to pads coming off

Requested features

7 requests
  • Add resume option after crashes
  • Improve feedback on data upload progress
  • Provide clear instructions on app usage (e.g., keeping app open)
  • Allow charging of pads
  • Provide clearer terms of service
Show 2 more
  • Allow scheduling of consultations
  • Improve app stability

In-app purchases

None

SleepImage

No in-app purchases

None

Wesper

No in-app purchases

Questions

Is SleepImage free?
SleepImage is free to download, with no in-app purchases.
Is Wesper free?
Wesper is free to download, with no in-app purchases.
Which has better reviews, SleepImage or Wesper?
SleepImage is rated higher. SleepImage averages 3.1 out of 5 from 186 ratings, while Wesper averages 2.5 from 104 ratings.
Do SleepImage or Wesper have ads?
Neither SleepImage nor Wesper shows ads.
Which is updated more often, SleepImage or Wesper?
SleepImage ships an update monthly, and Wesper every 3 weeks. Most recently, SleepImage was updated on October 29, 2026 and Wesper on October 29, 2026.

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