Comparison

SleepImage vs Smith Performance Center

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

Smith Performance Center

This app offers guided physical therapy and strength training programs to help users manage their health and live an active lifestyle. It provides easy-to-follow workouts, access to coaches for motivation, and injury rehabilitation exercises.

Highlights
  • Easy workout programs on phone
  • Access training on the go
  • Coach communication for accountability
  • Injury rehabilitation exercises
  • Sync with Apple Health
Features
Read full description

Smith Performance Center exists because people deserve to understand how to manage their health and live an active lifestyle. Our team provides testable solutions in physical therapy and strength training that every person needs to succeed. When people seek guidance from Smith Performance Center, they take control of their health and bring joy back into their life. SPC members receive an elevated training experience: • Easy to follow workout programs right on your phone • Access to your training program on the go • Stay motivated & accountable with communication to SPC coaches • Stay active with exercise while rehabbing your injury • Sync with Apple Health app to update your metrics instantly Join SPC now and let’s build lifelong strength!

Screenshots

SleepImage4 screens
Smith Performance Center4 screens

Verdict

The call

The clearest difference is rating: Smith Performance Center at 5.0 against SleepImage's 3.1. SleepImage's advantage is ratings volume (186 vs 9). 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.

ReceptionRating · Positive reviews · Number of ratings

Smith Performance Center holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: SleepImage has 186 ratings behind it against 9, so its average is the more settled of the two.

UpkeepUpdate frequency

SleepImage ships an update monthly, Smith Performance Center every 3 weeks. Both last shipped on November 7, 2026.

Scorecard2 real differences · 8 level
SleepImage versus Smith Performance Center: the parameters behind the verdict, then further details
ParameterSleepImageSmith Performance Center
PriceFreeFree
Rating3.1 (186 ratings)5.0 (9 ratings) — better
Positive reviews30.4% of reviews—
Number of ratings186 — better9
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size27 MB397 MB
Age rating4+4+
DeveloperSleepImageSmith Performance Center LLC

Customer experience

SleepImage

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

Smith Performance Center

All ratings9 ratings
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

Smith Performance Center

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SleepImage

No in-app purchases

None

Smith Performance Center

No in-app purchases

Questions

Is SleepImage free?
SleepImage is free to download, with no in-app purchases.
Is Smith Performance Center free?
Smith Performance Center is free to download, with no in-app purchases.
Which has better reviews, SleepImage or Smith Performance Center?
Smith Performance Center is rated higher. SleepImage averages 3.1 out of 5 from 186 ratings, while Smith Performance Center averages 5.0 from 9 ratings.
Do SleepImage or Smith Performance Center have ads?
Neither SleepImage nor Smith Performance Center shows ads.
Which is updated more often, SleepImage or Smith Performance Center?
SleepImage ships an update monthly, and Smith Performance Center every 3 weeks. Most recently, SleepImage was updated on November 7, 2026 and Smith Performance Center on November 7, 2026.

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