Comparison

Reflex vs 528i

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

Head to head
About

Reflex

This tool measures and tracks pupillary activity using an iPhone camera for quick, 5-second tests. It helps medical professionals monitor patient progress and identify deviations for clinical decision support.

Highlights
  • Pupillary readings via iPhone camera
  • 5-second test duration
  • Patient progress tracking
  • Baseline feature for deviations
  • Clinical decision support tool
  • Rapid biomarker validation
Features
Read full description

Measure and track autonomic pupillary activity by simply holding the iPhone up to your patient's eye for a quick 5-second test. Track patient progress using the baseline feature and frequently follow-up to determine deviations with Reflex, an accessible pupillary tool for clinical decision support. Here's what you can expect from Reflex: -Fast and reliable pupillary readings at the touch of a screen. -Track important changes and fluctuations from pupil readings over time. -Validate your clinical efforts with the state-of-the-art in rapid biomarkers. Reflex is only for medical professional use. Seek a physician's advice if you're experiencing ocular or neurological issues. Pricing & Terms: Reflex offers the following subscription option for unlimited use per period: * 1 month: $39.99 (USD) * 1 year: $399.99 (USD) This price applies to United States residents. Prices may vary in other countries respecting your local currency exchange rate. Your subscription will be charged to your iTunes account. At the end of the term, unless auto-renewables subscriptions are disabled, your subscription will automatically renew in your iTunes account. You will be charged for the regular price of your subscription within 24 hours prior to the end of the current term. You can turn off automatic renewal in your iTunes account settings at any time, but you must do so at least 24 hours before the end of the current term. Refunds will not be provided for the unused portion of any term. Reflex is a registered Class I 510(K) Exempt medical device. Privacy policy: https://reflexapp.io/privacy-policy/ Terms and conditions: https://reflexapp.io/terms-conditions

About

528i

This app guides users through laser therapy sessions with step-by-step instructions and instructional videos. It connects to a laser device to optimize timing, frequency, and application for photobiomodulation and low-level laser therapy.

Highlights
  • Step-by-step smart guidance
  • Interactive instructional videos
  • Wavelength recommendations
  • Device connectivity
  • Precision wellness at home
Read full description

528i – Smart Laser Therapy, Simplified Take the guesswork out of light therapy with the 528i Mobile App—your interactive guide for clinical-grade precision wellness at home. Designed to pair with the 5i Series Laser Therapy System, the app delivers real-time support and step-by-step guidance to maximize the benefits of photobiomodulation (PBM) and low-level laser therapy (LLLT). Features: * Smart Guidance: Follow clear, step-by-step instructions for optimal timing, frequency, and targeted laser application. * Interactive Support: Access instructional videos and guided therapy techniques tailored to your program. * Wavelength Insights: Explore a full list of recommended wavelengths for each preset and program to enhance therapy results. * Device Connectivity: Sync effortlessly with your 528i laser device for a fully integrated experience. The 5i Series system is FDA-cleared in the United States. The 5i Series system features clinical-grade Class 3R laser technology designed for safe, effective use in the comfort of your home. Proven benefits include relief from pain, improved blood circulation, reduced inflammation, and muscle relaxation. Whether you’re new to light therapy or seeking advanced precision, the 528i app empowers your wellness journey with clarity, confidence, and results. DISCLAIMER: This application is intended for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the guidance of your physician or other qualified health provider with any questions you may have regarding a medical condition. Do not disregard professional medical advice or delay in seeking it because of information provided by this app.

Screenshots

Reflex3 screens
528i4 screens

Verdict

The call

The clearest difference is rating: 528i at 5.0 against Reflex's 3.5. 528i also leads on in-app purchases (none vs 5) and device support (3 vs 1). Reflex's advantage is ratings volume (23 vs 3). On price, update cadence and ads 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. Reflex sells 5 in-app purchases, starting at $1.99 per month. 528i asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

528i holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Reflex has 23 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Reflex ships an update every 2 weeks, 528i fortnightly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

Scorecard6 real differences · 4 level
Reflex versus 528i: the parameters behind the verdict, then further details
ParameterReflex528i
PriceFreeFree
Rating3.5 (23 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews
Number of ratings23 — better3
Update frequencyEvery 2 weeks — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.614.0.0 — better
Further details — not scored
Size22 MB35 MB
Age rating+1717+
DeveloperBrightlamp, Inc.528 INNOVATIONS LLC

Customer experience

Reflex

All ratings23 ratings
Positive60.9%
Neutral4.3%
Negative34.8%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

528i

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Reflex

Subscriptions5
  • Critical Care Monthly$1.991 Month
  • Monthly Subscription1 Month trial$41.991 Month
  • Monthly Subscription$41.991 Month
Show 2 more
  • Yearly Subscription1 Month trial$419.991 Year
  • Yearly Subscription$419.991 Year
None

528i

No in-app purchases

Questions

Is Reflex free?
Reflex is free to download, with in-app purchases available.
Is 528i free?
528i is free to download, with no in-app purchases.
Which has better reviews, Reflex or 528i?
528i is rated higher. Reflex averages 3.5 out of 5 from 23 ratings, while 528i averages 5.0 from 3 ratings.
Do Reflex or 528i have ads?
Neither Reflex nor 528i shows ads.
Which is updated more often, Reflex or 528i?
Reflex ships an update every 2 weeks, and 528i fortnightly. Most recently, Reflex was updated on September 10, 2026 and 528i on June 1, 2026.

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