AB BMI Plus vs Protocol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AB BMI Plus
Read full descriptionHide full description
Body mass index (BMI) is a value that allows you to assess the degree of correspondence between a person’s weight and his height, and thereby indirectly judge whether the mass is insufficient, normal or overweight. It is important in determining the indications for the need for treatment. Body mass index is calculated by the formula: I = m / h². where: m is body weight in kilograms, h is height in meters, and is measured in kg/m². The program has been translated into English, Russian, Hebrew, Arabic, Japanese, Chinese, Traditional Chinese, Spanish, Portuguese, German, Korean, French, Italian, Ukrainian, Czech, Finnish, Greek, Danish, Dutch, Thai, Greek, Croatian, Hungarian, Hindi, Norwegian, Catalan, Indonesian, Malay, Polish, Romanian, Slovak, Swedish, Turkish, Vietnamese. Be healthy!!!
Protocol
This app generates refined ambient noise with a unique tactile and visual experience. It offers precise control over sound frequencies and features an elegant particle system that responds to touch, designed for focus, calm, and sleep.
- Ambient noise generation
- Touch-responsive particle system
- Precise frequency control
- Haptic feedback
- Background playback
- Media controls integration
Read full descriptionHide full description
Protocol is a meticulously crafted ambient noise generator for those who appreciate refined design and sonic precision. Unlike typical white noise apps, Protocol delivers a unique tactile experience through an elegant particle system that responds to your touch. Key Features: - Sophisticated sound palette: Pure white noise, pink noise, and brown noise - seamlessly blended through intuitive touch control - Elegant particle visualization: Minimalist aesthetics with responsive particles that flow and spiral with your movements - Precise frequency control: Fine-tune the sonic character by simply moving your finger across the screen - Haptic feedback: Subtle vibrations provide sensory confirmation when crossing sound thresholds - Remembers your settings: Automatically restores your preferred sound settings between sessions - Works in background: Continue playback while using other apps or when your device is locked - Media controls integration: Control playback from your lock screen or headphones Designed for: - Deep focus during creative work - Meditation and mindfulness sessions - Masking distracting environmental sounds - Creating a calming atmosphere for sleep - Establishing a consistent audio environment for productivity Protocol is created for people who value both function and form. For those who understand that the tools we use should be as thoughtfully designed as they are effective. Download Protocol and experience sound as a system.
Screenshots
Verdict
The clearest difference is iOS requirement: AB BMI Plus at 16.5 against Protocol's 18.0. 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.
AB BMI Plus ships an update every 3 months, Protocol every 2 months. The most recent releases landed on October 17, 2026 and September 28, 2026 respectively.
| Parameter | AB BMI Plus | Protocol |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 9 MB | 1 MB |
| Age rating | +4 | 4+ |
| Developer | Alexander Berkovich | hsla0001 |
In-app purchases
AB BMI Plus
No in-app purchases
Protocol
No in-app purchases









