EVY INSIGHT vs STONE Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EVY INSIGHT
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We’re thrilled to introduce a major update in the EVY INSIGHT App—adding powerful new features and making it easier than ever to track your progress with EVY LIGHT®. The dedicated app for EVY LIGHT®—a groundbreaking light therapy device using 40 Hz gamma stimulation to support cognitive health and wellness. What’s New - Simplified Device Pairing: We’ve redesigned the EVY LIGHT setup experience to be faster, more intuitive, and more reliable. Whether you're connecting for the first time or switching networks, pairing your EVY LIGHT is now smooth and frustration-free. Step-by-step guides are available at [optoceutics.com](https://optoceutics.com/) if you need help. Key Features in EVY INSIGHT with EVY LIGHT®: - Usage Tracking: See how much and how often you use EVY LIGHT. - Impact Assessment: Track changes in sleep, mood, energy, focus, and memory. - 40 Hz Stimulation: Comfortable Light and Sound 40 Hz gamma stimulation. - Brightness Control: Adjust EVY LIGHT brightness to suit your comfort. - EVY LIGHT Connectivity: Get automatic updates to your device. Impact Assessment Our guided Impact Assessment helps you monitor how EVY LIGHT is working by tracking five key areas of well-being: sleep, mood, energy, focus, and memory. Weekly check-ins give you a clearer view of small but meaningful improvements over time. Sound Stimulation Now available: science-backed 40 Hz sound stimulation! Use it alone or together with the light for a powerful, multi-sensory brain experience—at home or on the go. Simple Integration for Daily Life EVY LIGHT® fits effortlessly into your day—at meals, while relaxing, or during your daily routine—helping you stay clear, focused, and present with just an hour a day. Experience a Brighter Tomorrow with EVY INSIGHT®
STONE Training
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With the STONE Training app, you can start tracking your workouts and meals, measuring results, and achieving your health and fitness goals, all with the help of your coach. - Access training plans and track workouts - Schedule workouts and stay committed by beating your personal bests - Track progress towards your goals - Manage your nutrition intake as prescribed by your coach - Set health and fitness goals - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect to wearable devices like Apple Watch (synced to Health app), Fitbit and Withings to sync body stats instantly Download the app today!
Screenshots
Verdict
The clearest difference is iOS requirement: EVY INSIGHT at 13.0 against STONE Training's 15.5. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | EVY INSIGHT | STONE Training |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 57 MB | 170 MB |
| Age rating | 12+ | 4+ |
| Developer | OptoCeutics ApS | STONE LDN LIMITED |
In-app purchases
EVY INSIGHT
No in-app purchases
STONE Training
No in-app purchases
Questions
Is EVY INSIGHT free?
Is STONE Training free?
Do EVY INSIGHT or STONE Training have ads?
Which is updated more often, EVY INSIGHT or STONE Training?
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