KetonixGO vs Neurolign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KetonixGO
This app connects to a Ketonix device to measure and analyze breath ketone levels. It displays your last six readings and a trendline, helping you track your progress. A privacy policy is available for review.
- Measure breath ketone data
- Analyze breath ketone data
- Connects via Bluetooth
- Charts last 6 measures
- Adds a trendline
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KetonixGO Software for measure and analyze breath ketone data from a Ketonix® Bluetooth® or a Ketonix® Link device. It retrieves your breath ketone values via Bluetooth® and chart the last 6 measures and adds a trendline. Privacy Policy is found at https://www.ketonix.com/PrivacyPolicyKetonixBluetoothApp.pdf
Neurolign
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Your brain is a powerful thing. And just like other parts of your body, it needs to be cared for too. NeurolignFit is a simple way to give your brain the exercise it needs. It uses unique eye-tracking technology with a companion smartphone app to help assess how your brain is doing and provide you with simple exercises that can help keep your brain sharp and fit—for only a few minutes a day. Backed by decades of research, Neurolign’s eye-tracking technology offers a reliable way to measure your current mental performance. Previously used in labs, the technology behind NeurolignFit is now at your fingertips to track your brain health and help you train to improve it. NeurolignFit assesses different functions of your eye movement to create a custom training program to help you improve your brain health over time. START WITH AN INITIAL ASSESSMENT Establish baseline scores with a series of clinically based exercises. Assessments are categorized into 3 key areas for growth: • SHARPNESS: Performance and Accuracy • FOCUS: Concentration and Attention • MOVEMENT: Reaction Time and Hand-Eye CUSTOMIZED TRAINING PROGRAM Build a personalized training program based on your baseline scores. By training and strengthening your brain each day, you’ll work on your mental sharpness, your ability to focus, and your movement. And it only takes a few minutes a day. DETAILED TRAINING INSIGHTS Track your progress by week, month, or year and get awarded in the app when you boost your brain performance. Over time, you’ll be able to see how each aspect of your brain health improves. NeurolignFit is not a medical device, is not to be used for diagnosis, cure, mitigation, treatment or prevention of a medical condition.
Screenshots
Verdict
The clearest difference is update cadence: KetonixGO at every 4 days against Neurolign's every 4 months. KetonixGO also leads on iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
KetonixGO ships an update every 4 days, Neurolign every 4 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | KetonixGO | Neurolign |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 30 MB | 112 MB |
| Age rating | 4+ | 17+ |
| Developer | M Object Oriented Software Engineering AB | Neurolign Technologies Inc. |
In-app purchases
KetonixGO
No in-app purchases
Neurolign
No in-app purchases









