Opti Brain vs That Smile App™
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Opti Brain
Visualize and map your brain activity using compatible headbands. Record, save, and compare brain data to understand your cognitive patterns. Discover your optimal performance state and analyze brain activity during various activities.
- Brain activity mapping
- Data collection and saving
- Customizable collections
- Map and movie creation
- Brain pattern interpretation
- Activity-based comparison
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**This application requires an external accessory that senses your brain activity to use. Compatible brain sensing hardware includes: -Muse Headband -Muse 2 Headband -Muse S Headband -Muse Athena Headband The brain sensing hardware will connect your brain to the Opti Brain app and allow you to map your brain activity. Have you ever wondered what your brain looks like? Opti Brain allows you to map your brain activity with the help of Muse, the brain sensing headband. Collect and save your brain data from your brain sensing hardware. Name and assign a quality to your collections to categorize and remember them. Then create and compare maps and movies of your brain activity. Opti brain also provide interpretations with each map you create. The Opti Brain app is brought to you by Opti Brain, a company dedicated to helping you optimize your performance. Record your brain data during different activities (resting; critical thinking; before, during and after performance based sports and activities; etc.) and compare the patterns in your brain maps. Discover your BETTER THAN BEST™ brain pattern when you are performing at your full potential! Opti Brain is a sister app to Opti Train. The Opti Train app helps train you to BETTER YOUR BEST™ by leading you to your best performance brain pattern. You can save your trainings from Opti Train and then view the brain maps from those trainings in Opti Brain. See what your optimized brain looks like! Use Opti Brain free for up to 10 data collections! Then purchase a subscription to receive unlimited access to Opti Brain and three additional brain training apps: Opti Train, Opti Calm and Opti Confidence. An Opti Software Subscription is required to gain full access to Opti Brain, Opti Train, Opti Calm and Opti Confidence. Payment will be charged to your Apple ID account at the confirmation of the subscription purchase. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Any unused portion of the free trial (10 free collections or trainings per app), will be forfeited when the user purchases an Opti subscription. It is required to create an Opti account prior to the purchase of an Opti subscription. You will only be able to connect one Opti account to each subscription purchase. Your Apple ID and Opti account email are not required to be the same.
That Smile App™
This app uses Smile Powered™ technology and a Guided Smiling™ experience to help you smile more, enhancing happiness and health. It tracks your smiles in real-time, allowing you to set goals, build streaks, and view progress through a dashboard. Explore articles on the science of smiling and its benefits for mental and physical well-being.
- Smile Powered™ technology
- Guided Smiling™ experience
- Real-time smile tracking
- Goal setting and streak tracking
- Progress visualization dashboard
- Educational articles on smiling
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That Smile App™ features Smile Powered™ technology and the Guided Smiling™ experience to help you smile more and improve your happiness and health. Our unique Smile Powered™ software lets the power of your smile control the playback of your favorite media, encouraging increased smile time resulting in authentic, science-based benefits of smiling more. The Guided Smiling™ experience helps you smile with intention, purpose and visualization to restore mental and physical well-being. Perfect for moments when you need calm, positivity, or a quick emotional reset. Track Your Smiles Using advanced facial detection, That Smile App™ tracks your smile seconds and smile count in real-time. See how long you’ve smiled today and build a healthy daily habit that boosts your mood and energy. Set Goals & Build Streaks Stay motivated with personalized smile goals and streak tracking. Hit your daily targets and unlock bonus tracks and achievements as you go! See Your Progress View your total smile seconds, smile count, streaks, best days, and smile averages — all visualized in an easy-to-read dashboard that grows with you. Learn & Grow Explore uplifting articles about the science of smiling, mental wellness, and how the power of your smile can improve your overall health and happiness. Why That Smile App? Smiling is one of the most powerful, universally recognized and impactful human behaviors, influencing your brain, body, and relationships in remarkable ways. Smiling more makes your life better. That Smile App™ is here to help you improve your life and health through smiling more! Download That Smile App™ today and start feeling the power of your smile! Smile More. Feel Better.™
Screenshots
Verdict
The clearest difference is rating: That Smile App™ at 5.0 against Opti Brain's 3.7. That Smile App™ also leads on in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 3 months). Opti Brain's advantage is ratings volume (13 vs 1) and iOS requirement (12.4 vs 15.6). On price, ads and device support 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. Opti Brain sells 2 in-app purchases, starting at $9.99 per month. That Smile App™ asks for nothing beyond the download.
That Smile App™ holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Opti Brain has 13 ratings behind it against 1, so its average is the more settled of the two.
Opti Brain ships an update every 3 months, That Smile App™ every 3 weeks. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.
| Parameter | Opti Brain | That Smile App™ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (13 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 36.7% of reviews | — |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 159 MB | 148 MB |
| Age rating | 4+ | 4+ |
| Developer | Optiherence | That Smile App LLC |
Customer experience
Opti Brain
That Smile App™
In-app purchases
Opti Brain
- Monthly Opti Subscription$9.991 Month
- Yearly Opti Subscription$99.991 Year
That Smile App™
No in-app purchases









