iPhone Screenshots


Fluency is a simple, easy to use fluency calculator that quickly and accurately measures syllables per minute and the percentage of syllables stuttered. This tool is great for speech pathologists or parents of children with disfluency.

Basic Mode (Portrait):
- Count syllables and stutters

Advanced Mode (Landscape):
- Specific disfluency counting options (word, sound, and phrase repetition, block, prolongation)

What’s New

Version 3.0

Dark Mode!
- Full dark mode support is here after sneaking in previously

Minor bug fixes, feedback and support link update.

Ratings and Reviews

3.0 out of 5
4 Ratings

4 Ratings

Em. Ey ,

Good app!

App wasn’t working at first as I had my phone on dark mode. The developer was very quick to respond to my issue via email and provide a solution.

Developer Response ,


I’m sorry to hear you are experiencing issues with Fluency. Please email chris@christopherlang.com.au with details of your issue and I’ll be happy to help.

Thank you

sylviatito ,

Stutter count

I bought this app it doesn’t work its very disappointing how do I get my money back.

Developer Response ,


I’m sorry you are experiencing issues with Fluency. If you could contact us using the Feedback & Support link in app to detail the issues you are having that would be greatly appreciated.

App Privacy

The developer, Chris Lang, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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