Comparison

Celeste+ vs iSleep Portal

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

Head to head
About

Celeste+

This medical app facilitates home sleep testing by pairing with FDA-cleared devices. It records sleep data using your smartphone's microphone and Bluetooth pulse oximeter. Board-certified sleep doctors analyze the collected signals to diagnose sleep disorders and recommend treatments.

Highlights
  • Home sleep testing
  • Bluetooth pulse oximeter pairing
  • Smartphone microphone recording
  • FDA-cleared technology
  • Sleep disorder diagnosis
  • Sleep doctor consultation
Features
Currently charting
Read full description

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.

About

iSleep Portal

This platform streamlines sleep care for healthcare providers and patients. It offers tools for CRM, telemedicine, Home Sleep Test ordering and interpretation, and Electronic Medical Records. Empowering efficient expert sleep care delivery.

Highlights
  • CRM for sleep physicians
  • Telemedicine consultations
  • Home Sleep Test ordering
  • Sleep study interpretation
  • Electronic Medical Records (EMR)
Features
Read full description

iSleep Physicians is a comprehensive sleep medicine platform designed to streamline sleep care for providers and patients alike. With a range of essential tools, including CRM, telemedicine, Home Sleep Test (HST) ordering and interpretation, and Electronic Medical Records (EMR), iSleep Physicians empowers healthcare professionals to deliver expert sleep care efficiently. Our platform connects providers with the tools they need to offer seamless telehealth consultations, manage patient data, and interpret sleep study results—all in one place. Sleep better, care smarter with iSleep Physicians.

Screenshots

Celeste+4 screens
iSleep Portal4 screens

Verdict

The call

The clearest difference is rating: iSleep Portal at 5.0 against Celeste+'s 2.9. Celeste+'s advantage is update cadence (fortnightly vs every 7 months) and ratings volume (48 vs 2). On price, ads, in-app purchases and monetization model 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

iSleep Portal holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Celeste+ has 48 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Celeste+ ships an update fortnightly, iSleep Portal every 7 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 7 level
Celeste+ versus iSleep Portal: the parameters behind the verdict, then further details
ParameterCeleste+iSleep Portal
PriceFreeFree
Rating2.9 (48 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings48 — better2
Update frequencyFortnightly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#123 — better—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size45 MB40 MB
Age rating17+17+
DeveloperEnsoData, Inc.Digital Auxilius

Customer experience

Celeste+

All ratings32 ratings
Positive46.9%
Neutral12.5%
Negative40.6%
Written reviews7 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

iSleep Portal

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Celeste+

No in-app purchases

None

iSleep Portal

No in-app purchases

Questions

Is Celeste+ free?
Celeste+ is free to download, with no in-app purchases.
Is iSleep Portal free?
iSleep Portal is free to download, with no in-app purchases.
Which has better reviews, Celeste+ or iSleep Portal?
iSleep Portal is rated higher. Celeste+ averages 2.9 out of 5 from 48 ratings, while iSleep Portal averages 5.0 from 2 ratings.
Do Celeste+ or iSleep Portal have ads?
Neither Celeste+ nor iSleep Portal shows ads.
Which is updated more often, Celeste+ or iSleep Portal?
Celeste+ ships an update fortnightly, and iSleep Portal every 7 months. Most recently, Celeste+ was updated on October 30, 2026 and iSleep Portal on October 24, 2026.

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