TestSmarter Patient vs Celeste+ Usage & Stats
With this app patients are easily guided through the process of performing their TestSmarter pulse oximetry or home sleep test and uploading their test data to TestSmarter. The results are then rendered and distributed to the patient's ordering physician.
DISCLAIMER:
This app is not intended for consumer use without a physician's referral for oxygen testing. Its intended use is for patients with a referring physician prescription that need to perform pulse oximetry testing with Viatom OxyFit SpO2 devices and have TestSmarter distribute the result to the physician. Consumers should seek a doctor’s advice instead of using this app and before making any medical decisions.
- Apple App Store
- Free
- Health & Fitness
Store Rank
- -
Celeste+™ is a home sleep test in a mobile app. Celeste+™ can pair with an FDA-cleared Bluetooth pulse oximeter and Celeste+™ is FDA-cleared to use your smartphone’s microphone. Board-certified sleep doctors use the signals collected while you sleep to diagnose sleep disorders and determine appropriate treatment.
If you believe that your sleep quality is poor or if you suspect you have a sleep disorder, it may be impacting your overall health. We recommend consulting with your doctor to discuss the possibility of undergoing a sleep study or speaking with a sleep medicine specialist.
The audio recording features are for use in the United States only, and by prescription only.
- Apple App Store
- Free
- Medical
Store Rank
- -
TestSmarter Patient VS. 
Celeste+January 13, 2026