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. Author manuscript; available in PMC: 2024 Jul 1.
Published in final edited form as: Laryngoscope. 2022 Nov 1;133(7):1540–1549. doi: 10.1002/lary.30465

Table 2:

App Store Description Readability Assessment

Name of App Flesch-Kincaid Grade
Level
Flesch Reading Ease Gunning Fog Index Coleman-Liau Index SMOG Index New Dale-Chall
Acid Reflux Diet Helper 11.9 35.9 12.3 14.7 12.6 8.1
Astound - Voice &Speech Coach 6.9 63.4 8.4 9.9 9.8 5.1
Breather Coach 8.9 50.4 8 13.5 10.6 7.9
Christella VoiceUp 9.8 50.6 13 12.8 13 6
Cough Tracker & Reporting 6.5 76 8.3 7.3 9.4 2.8
Dysphagia Training 9.6 51.9 12.7 10.5 12.3 5.8
Emotion Food Company 10.3 43.3 11.8 12.7 12.4 4.8
Estill Exercises 13.5 32.8 14.4 14.8 14.6 8.5
EvaF 10.5 50.9 12.4 11.7 12.8 6.4
EvaM 12.3 47.6 14.3 12.5 13.8 6.6
GERD, Heartburn and Acid Reflux Symptoms & Remedies 10.5 49.7 13 11.2 12.6 6.8
GERDHelp 13.1 32.5 15.7 15.4 15.1 8.1
GERD Tools 6.9 63.3 8.5 10.3 9.8 6.5
Heartburn: Acid reflux Journal 14.8 36 15.5 12.1 14.2 6.6
HNC Virtual Coach 11.1 43.9 13.5 13.1 13.7 7
Hyfe Cough Tracker 6.7 70.1 9.7 9.2 10 4
Loud and Clear Voice Fitness 12.2 43 14.2 12.9 13.3 6.8
LSVT Loud 12.9 27.3 14.2 19.2 13.3 9.4
Mobili-T 11.7 30.5 12.8 14.6 12.9 7.9
Pryde Voice &Speech Therapy 9.6 41.6 8.1 13.8 10.8 8.3
Reflux Tracker 9.8 49.3 12.1 11.1 12.1 6.2
SpeechVive 14.9 32.6 17.2 16.9 16.5 8.8
Swallow Prompt 10.4 51.6 10.9 11.7 13.1 6.9
Swallow RehApp 13.5 24.4 16.1 16.5 14.9 8.8
Tongueometer 12.3 25.9 14.1 15.8 13 8.3
TRACHTOOLS 15.3 17.5 16.1 17.7 14.8 9.3
Vocular 9.7 61.2 12 9 11.6 5.3
Voice Coach 9.8 48.7 10.8 13.4 12 7

The Flesch-Kincaid Grade Level and Gunning Fog Index, Coleman-Liau Index are equivalent to the US grade level of education. The Flesch Reading Ease gives a text a score between 1 and 100, with 100 being the highest readability score. Scoring between 70 to 80 is equivalent to school grade level 8. The SMOG Index estimates the years of education needed to comprehend the text. The New Dale-Chall readability score measures a text against a number of words considered familiar to fourth-graders. The more unfamiliar words used, the higher the reading level.