Comparison

SleepImage vs Gains Performance Studio

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

Gains Performance Studio

Track workouts, meals, and body measurements with personalized guidance from your coach. Set goals, stay committed with progress tracking, and receive reminders for activities. Connect wearable devices for seamless data syncing.

Highlights
  • Workout and meal tracking
  • Progress monitoring
  • Goal setting
  • Nutrition management
  • Real-time coach messaging
  • Body measurement tracking
  • Wearable device integration
Features
Read full description

With the Gains Performance App, you can start tracking your workouts and meals, measuring results, and achieving your fitness goals, all with the help of your personal trainer. - Access training plans and track workouts - Schedule workouts and stay committed by beating your personal bests - Track progress towards your goals - Manage your nutrition intake as prescribed by your coach - Set health and fitness goals - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect to wearable devices like Apple Watch (synced to Health app), Fitbit and Withings to sync body stats instantly Download the app today!

Screenshots

SleepImage4 screens
Gains Performance Studio4 screens

Verdict

The call

The clearest difference is review sentiment: Gains Performance Studio at 100% against SleepImage's 30%. Gains Performance Studio also leads on device support (4 vs 2). On price, update cadence, ads and in-app purchases 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

SleepImage ships an update monthly, Gains Performance Studio every 6 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
SleepImage versus Gains Performance Studio: the parameters behind the verdict, then further details
ParameterSleepImageGains Performance Studio
PriceFreeFree
Rating3.1 (186 ratings) — better—
Positive reviews30.4% of reviews100.0% of reviews — better
Number of ratings186 — better—
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.015.5 — better
Further details — not scored
Size27 MB169 MB
Age rating4+4+
DeveloperSleepImageGains Performance Studio

Customer experience

SleepImage

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

Gains Performance Studio

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Gains Performance Studio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SleepImage

No in-app purchases

None

Gains Performance Studio

No in-app purchases

Questions

Is SleepImage free?
SleepImage is free to download, with no in-app purchases.
Is Gains Performance Studio free?
Gains Performance Studio is free to download, with no in-app purchases.
Do SleepImage or Gains Performance Studio have ads?
Neither SleepImage nor Gains Performance Studio shows ads.
Which is updated more often, SleepImage or Gains Performance Studio?
SleepImage ships an update monthly, and Gains Performance Studio every 6 weeks. Most recently, SleepImage was updated on October 29, 2026 and Gains Performance Studio on October 24, 2026.

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