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Grade-level reading scores. COPD: chronic obstructive pulmonary disease.
| App name | Grade-level reading score |
| My Breathefree | 7.4 |
| COPD Disease | 12.6 |
| Lung+ Pioneering Healthcare | 9.4 |
| COPD | 9.2 |
| Pranayama Free | 12.5 |
| Asthma Tracker & Log | 9.1 |
| 7pranayama—Yoga Breath Calm | 10.5 |
| Loving Meditations—Bring Calm to Cancer | 12.8 |
| Breathcount | Unable to calculate |
