Callibri Biofeedback vs BlueLine Alpha
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Callibri Biofeedback
This system uses a sensor to measure muscle tone and visualizes your muscle activity in a game-like interface. It's designed for self-regulation training to improve muscle strength and bodily functions.
- Muscle tone evaluation (EMG signal)
- Visualizes muscle activity in games
- Muscle restoration for stroke/CP
- Home fitness muscle strengthening
- Increases physiological reserves
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The "Callibri Biofeedback" system is designed for self-regulation training sets prepared by specialists with a goal of being able to manipulate the body's systems at will. The application works with "Callibri" sensor that instantly evaluates muscle tone level (the EMG signal) and the app visualizes muscle activity in the form of a game situation. The Callibri Biofeedback system is used for: • restoration of weakened muscles in stroke and cerebral palsy; • training, increasing the strength and functionality of muscles in the field of home fitness; • increasing and maintaining the physiological reserves of the body.
BlueLine Alpha
This application visualizes, records, and streams physiological and motion data from compatible hardware. It's designed for engineering, research, and educational purposes, offering real-time insights into signal integrity and device performance.
- Real-time data visualization
- Physiological data recording
- Motion data streaming (X, Y, Z axis)
- G-value calculation
- Bluetooth Low Energy (BLE) connectivity
- Engineering and research focused
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BlueLine is the companion app for the BrainBit BlueLine device family. It is intended for engineering, research and educational use. Connect a BlueLine device over Bluetooth Low Energy to view, record and export physiological and motion data in real time. EEG • Four-channel live EEG at 250 Hz, shown in microvolts • Power spectrum with delta, theta, alpha and beta band power • Adjustable signal gain and a 50/60 Hz power-line filter for the live view • Signal quality overview for every channel ECG AND HEART RATE VARIABILITY • Live ECG waveform and heart rate from channel 1 • Heart rate variability score from beat-to-beat intervals PROFILES FOR PEOPLE AND ANIMALS • Human, dog and horse profiles with matching electrode layouts • Reward feeder for animal sessions: set up a compatible Wi-Fi feeder in the app and give a reward with one tap. Every reward is time-stamped with the EEG for training and research. RECORDING AND EXPORT • Raw EEG, accelerometer data and reward events saved as CSV files with device details • Lost samples are marked, so recordings stay reliable for analysis • Share recordings directly from the app BlueLine is not a medical device. It is not intended to diagnose, treat, cure or prevent any disease, and its measurements must not be used for medical decisions.
Screenshots
Verdict
The clearest difference is rating: BlueLine Alpha at 5.0 against Callibri Biofeedback's 3.0. BlueLine Alpha also leads on update cadence (every 2 months vs every 4 months). Callibri Biofeedback's advantage is iOS requirement (16.0 vs 26.0). On price, ratings volume, 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.
BlueLine Alpha holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Callibri Biofeedback ships an update every 4 months, BlueLine Alpha every 2 months. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.
| Parameter | Callibri Biofeedback | BlueLine Alpha |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 269 MB | 17 MB |
| Age rating | 12+ | 4+ |
| Developer | BRAINBIT INC. | Enes Arslan |
Customer experience
Callibri Biofeedback
BlueLine Alpha
In-app purchases
Callibri Biofeedback
No in-app purchases
BlueLine Alpha
No in-app purchases
Questions
Is Callibri Biofeedback free?
Is BlueLine Alpha free?
Which has better reviews, Callibri Biofeedback or BlueLine Alpha?
Do Callibri Biofeedback or BlueLine Alpha have ads?
Which is updated more often, Callibri Biofeedback or BlueLine Alpha?
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