Halo vs Algometer App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Halo
This app uses a wearable device to deliver gentle electrical currents to the brain, aiming to improve mood, sleep, and focus. It guides users through sessions, tracks progress, and offers educational content for wellness goals.
- Transcranial direct current stimulation (tDCS)
- Mood improvement
- Better sleep support
- Enhanced focus
- Usage tracking
- Educational content
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Improved mood. Better sleep. Sharper focus. Clinically tested. Halo is a wellness device and companion app that uses transcranial direct current stimulation (tDCS) to support mood, sleep, and focus. It delivers low-level electrical currents to the prefrontal cortex - an area of the brain linked to emotional regulation, sleep quality, and attention control. The Halo app guides you through stimulation sessions, tracks your usage, and offers regular check ins and educational content to help reach your wellness goals. Developed by the team behind Flow Neuroscience, a leader in clinical brain stimulation. Halo is built on Flow’s proven brain stimulation platform - technology that’s supported thousands of people in Europe. What Halo helps with: * Improving your mood * Better sleep so you wake feeling more refreshed * Enhance your focus so you perform better at work and day to day * Building better routines that align with your goals How does Halo work? Halo is a brain stimulation wearable that uses transcranial direct current stimulation (tDCS). It delivers gentle, low-intensity electrical currents to the prefrontal cortex, a region of the brain involved in cognitive and emotional processes. Who it's for: * Wellness-focused individuals seeking safe, natural tools * Anyone looking to improve their mood, sleep or focus. * High-performers, creatives, and biohackers Halo is a general wellness product designed to support wellbeing. Halo is not approved or cleared by the FDA and is not intended, marketed, or sold to treat or cure any disease or condition. Halo is intended for use by healthy adult individuals. At this time, Halo is only available for shipment within the United States.
Algometer App
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Algometer – Track and Manage Your Pain Effectively Algometer is a simple yet powerful tool designed to help you log and monitor your pain over time. Ideal for people with chronic conditions such as migraines, fibromyalgia, or arthritis, as well as those recovering from surgery or managing temporary pain. Key Features of Algometer: Quick and Easy Pain Logging: Rate your pain on a 0–10 scale and add custom notes. Pain History Tracking: Review past logs and observe patterns or trends in your symptoms. User-Friendly Interface: Clean and intuitive design that’s easy for anyone to use. Better Doctor Appointments: Share detailed pain history with your healthcare provider. Whether you experience occasional or chronic pain, Algometer helps you gain insights and stay informed. Download now to take charge of your health!
Screenshots
Verdict
The clearest difference is update cadence: Algometer App at every 3 days against Halo's every 2 months. Halo's advantage is iOS requirement (15.0 vs 18.4). 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.
Halo ships an update every 2 months, Algometer App every 3 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.
| Parameter | Halo | Algometer App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 176 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Flow Neuroscience AB | Beytullah Ylmaz |
In-app purchases
Halo
No in-app purchases
Algometer App
No in-app purchases









