Comparison

Stelo by Dexcom vs Solius

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

Head to head
About

Stelo by Dexcom

Easily track your glucose levels 24/7 without fingersticks or a prescription. Gain personalized insights to understand how diet and exercise impact your health. This app empowers you to build healthier habits and take control of your well-being.

Highlights
  • 24/7 glucose tracking
  • No fingersticks required
  • Personalized health insights
  • Diet and exercise personalization
  • Form healthy habits
  • No prescription needed
Features
Read full description

Welcome to the revolution in personalized glucose health. The Stelo by Dexcom Glucose Biosensor finally gives you an easy way to track your glucose and form healthy habits. No fingerpicks. No prescription. Just results. Stelo sets the standard in glucose innovation – delivering 24/7 access to personal glucose insights, empowering you to uncover what works for you. Our smartphone* app, gives you the power to personalize your diet and exercise choices, so healthy habits can become second nature.¹ With Stelo, you can revolutionize the way you track your glucose – giving you everything you need to become a healthier you. Stelo Glucose Biosensor required for Stelo by Dexcom app use – sold separately at www.Stelo.com Stelo is indicated for adults 18+ who don’t use insulin. STELO IMPORTANT INFORMATION: Consult your healthcare provide before making any medication adjustments based on your sensor readings. Do not use if you have problematic hypoglycemia. Failure to use Stelo and its components according to the instructions for use provided and to properly consider all indications, contraindications, warnings, precautions, and cautions in those instructions for use may result in your missing a severe hypoglycemia (low blood glucose) or hyperglycemia (high blood glucose) occurrence. If your sensor readings are not consistent with your symptoms, a blood glucose meter may be an option as needed and consult your healthcare provider. Seek medical advice and attention when appropriate, including before making any medication adjustments an/or for any medical emergency. *For Stelo app compatibility information, visit stelo.com/compatibility. ¹ Stelo User Guide: MT-1000421

About

Solius

This app pairs with a UVB light therapy device to deliver personalized doses of UVB light based on your skin tone. It offers guided sessions, reminders, and progress tracking for year-round health benefits. The device is FDA-cleared and requires no prescription.

Highlights
  • Personalized UVB dosing based on skin tone
  • FDA-cleared over-the-counter device
  • Short weekly sessions (approx. 5 minutes)
  • Guided session setup and safety checks
  • Weekly reminders and progress tracking
  • Therapy history and trends
Features
Read full description

A smarter, safer way to stimulate the UVB health benefits of the sun is finally here. Solius is the only FDA-cleared over-the-counter UVB light therapy device that analyzes your unique skin tone to deliver a precise, optimal dose of UVB light, activating the natural health benefits of the sun with less than 1% of the total UV risk. The Solius app pairs with a Solius device, which is required for use and is sold separately at solius.com. PERSONALIZED DOSING FOR YOUR SKIN Solius scans your skin with a built-in sensor and automatically calculates a dose designed for your unique tone, so every session delivers an optimal dose of UVB light therapy. FDA-CLEARED, NO PRESCRIPTION NEEDED Solius is the only UVB light therapy device cleared by the FDA for over-the-counter use, reviewed under the Class II medical device pathway for safety, performance, and quality. APPROXIMATELY FIVE MINUTES, ONCE A WEEK A single short session, once per week, is designed to maintain the UVB light-driven benefits your body relies on year round, regardless of season, weather, or where you live. GUIDED SESSION FLOW Step-by-step in-app guidance walks you through positioning, session length, and safety checks to ensure you get the full benefit of each dose without guesswork. STREAKS AND WEEKLY REMINDERS Smart reminders nudge you when it's time for your next dose. Weekly streaks and progress views help consistency turn into results and whole body benefits. THERAPY HISTORY AND TRENDS Review every session at a glance: date, duration, dose, and therapy timespan. SAFETY The Solius dosing sensor calculates an optimal safe dose. A full year of weekly Solius therapy adds up to less total UV than about five minutes of natural midday sun. HOW IT WORKS 1. Download the Solius app and create an account, allowing you to pair with your Bluetooth® connected Solius device to complete set up and control your device. 2. Set up anytime, anywhere: Solius is easy to set up, no mounting or installation required. 3. Personalize your dose: The Solius app guides you through smart skin analysis to calculate your optimal dose. 4. Repeat therapy weekly: Use Solius for approximately five minutes a week to maximize year-round benefits. INDICATION FOR USE Solius is an over-the-counter (OTC) light panel intended to stimulate production of Vitamin D in people 22 years and older. CONTRAINDICATIONS FOR USE Do not use Solius if: - You have a history of underlying photosensitivity. - You currently use any of the following photosensitizing medications orally or topically on the therapy area (back of torso from waist to neck): anti-convulsant, amiodarone, doxycycline, hydrochlorothiazide, methotrexate, naproxen, sulfa antibiotics, tetracycline, or tretinoin. - You have been or become diagnosed with sensitivity or allergies to light affecting your skin, including but not limited to: actinic prurigo, chronic actinic dermatitis, lupus erythematosus, photodermatitis, polymorphous light eruption, protoporphyria, solar urticaria, UV-sensitive syndrome, vitiligo, or xeroderma pigmentosum. DISCLAIMER Solius is clinically proven to stimulate the production of vitamin D. References to the benefits of sunlight, UVB light, and vitamin D are based upon published, peer-reviewed research. The Solius device is not intended to diagnose, treat, cure, or prevent disease, except for the indications for use described in the user manual for your applicable region. Solius does not provide specific medical advice to users. Users should seek advice from a qualified physician or healthcare provider. This app does not establish a doctor-patient relationship. For detailed product information please consult the User Manual prior to use. Have questions? We’re here to help. Email us at support@solius.com. Privacy Policy: solius.com/legal/privacy-policy

Screenshots

Stelo by Dexcom4 screens
Solius4 screens

Verdict

The call

The clearest difference is review sentiment: Solius at 100% against Stelo by Dexcom's 18%. Solius also leads on rating (5.0 vs 2.5). Stelo by Dexcom's advantage is chart position (#124 vs unranked) and ratings volume (567 vs 70). 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

Solius holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Stelo by Dexcom has 567 ratings behind it against 70, so its average is the more settled of the two. Written reviews point the same way: 18% of Stelo by Dexcom's written reviews are positive against 100% of Solius's.

UpkeepUpdate frequency

Stelo by Dexcom ships an update every 6 weeks, Solius every 3 weeks. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 7 level
Stelo by Dexcom versus Solius: the parameters behind the verdict, then further details
ParameterStelo by DexcomSolius
PriceFreeFree
Rating2.5 (567 ratings)5.0 (70 ratings) — better
Positive reviews18.1% of reviews100.0% of reviews — better
Number of ratings567 — better70
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#124 — better—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size311 MB325 MB
Age rating17+4+
DeveloperDexcomSolius Labs, Inc.

Customer experience

Stelo by Dexcom

All ratings567 ratings
Positive30.0%
Neutral10.6%
Negative59.4%
Written reviews746 reviews
Positive18.1%
Neutral19.7%
Negative62.2%

Solius

All ratings70 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews30 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Stelo by Dexcom

Reported bugs

3 issues
  • Sensor session ending prematurely
  • Inconsistent data syncing with Apple Health
  • App freezing and crashing issues

Requested features

5 requests
  • Ability to view and export historical glucose data
  • Option to customize glucose target ranges
  • Integration with more fitness/nutrition apps
  • Improved Apple Watch support with complications
  • Enhanced meal and activity tracking features

Solius

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Stelo by Dexcom

No in-app purchases

None

Solius

No in-app purchases

Questions

Is Stelo by Dexcom free?
Stelo by Dexcom is free to download, with no in-app purchases.
Is Solius free?
Solius is free to download, with no in-app purchases.
Which has better reviews, Stelo by Dexcom or Solius?
Solius is rated higher. Stelo by Dexcom averages 2.5 out of 5 from 567 ratings, while Solius averages 5.0 from 70 ratings.
Do Stelo by Dexcom or Solius have ads?
Neither Stelo by Dexcom nor Solius shows ads.
Which is updated more often, Stelo by Dexcom or Solius?
Stelo by Dexcom ships an update every 6 weeks, and Solius every 3 weeks. Most recently, Stelo by Dexcom was updated on September 27, 2026 and Solius on September 17, 2026.

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