BinnenStroom

Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
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About this app

BinnenStroom helps you breathe more consciously and find more inner peace. The app combines breathing science with simple tools to get started with daily.

Breathing
Three guided breathing exercises, each with its own goal:

Core Breathing — Activates abdominal breathing and loosens a stiff diaphragm muscle. Ideal if you are tense or overthinking.

Light Breathing — Increases your CO₂ tolerance and optimizes oxygen delivery to your cells. Based on the Bohr effect.

Exploration — Slows down your breathing rate and activates the parasympathetic nervous system for deep relaxation and recovery.

BOLT Measurement
The BOLT score (Body Oxygen Level Test) is a simple measurement of your CO₂ tolerance. The higher your score, the calmer and more efficiently you breathe. With BinnenStroom, you measure your score and track your progress over time in a clear graph. Mood
Record how you feel and add a personal note. This helps you gain insight into the connection between your breathing and your mood.

Progress
View your complete history of measurements, sessions, and moods. A daily streak keeps you motivated.
Breathe more consciously, find more peace. Measure your BOLT score and track your progress.
Updated on
Jul 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Bugfixes:
• Eerste tik op knoppen (zoals "Start timer") werkte soms niet meteen
• Trilfeedback bij vasthouden/rust bij ademritmes werkte niet
• Ademcirkel maakte een rare sprong tijdens vasthouden/rust
Content rating
Everyone
Learn more

App support

About the developer
Ronald van de Pol p/v Rozendal
ronaldvdpol@gmail.com
Netherlands