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Disfluency Index Counter Plus

The Evidence-Based Disfluency Tracker.

Designed by SLPs to provide a state-of-the-art solution for syllable counting and real-time index calculation.

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Basic Counter App Interface
Universal iPad & iPhone Support

Three Levels of Clinical Precision

Choose the counter that fits your evaluation needs, from quick live tracking to detailed disfluency categorization.

F

Basic Counter

The perfect entry point for live counting. Simply tap F for fluent or D for disfluent syllables.

Basic Counter
A

Advanced Counter

Go deeper by categorizing disfluencies into specific types: Blocks, Repetitions, and Prolongations.

Advanced Counter
P

Pro Counter

The ultimate tracking tool. Separates repetitions into Sound, Syllable, and Word Monosyllabic types.

Pro Counter Mode Selector
Disfluency Results and Graphs
Syllable Tracking History
Data Collection Made Easy

Instant Calculations.
Professional Reports.

Stop doing the math manually. The app automatically calculates syllables per minute and the total percentage of disfluent syllables while you support your client.

📊
Visual Graphs Gorgeous, easy-to-read charts display results regarding the percentage of disfluency in a speech sample.
🎙️
Audio Playback Every session is recorded, allowing you to play back the audio to verify counts or share samples with families.
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Seamless Export Export detailed results directly via email to be added to final speech evaluation reports and IEPs.
See it in Action

Video Walkthrough: Master the Counters

Join app designer Barbara Fernandes, MS, CCC-SLP, for a quick overview of how to maximize your fluency evaluations.

What you'll learn:

  • ✅ How to use the Basic, Advanced, and Pro counters for real-time tracking.
  • ✅ Managing Audio Playback to verify your syllable counts.
  • ✅ Generating and exporting Syllables Per Minute data instantly.
  • ✅ Selecting between English, Portuguese, and Spanish interfaces.

💡 Pro Tip: "It's probably easier to be tracking this on a smaller device" like an iPhone.

Global Clinical Support

Disfluency Index Counter is built for a diverse world. Effortlessly switch between English, Portuguese, and Spanish to support your multilingual caseload.

Language Selection Interface

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Ready to simplify your
fluency evaluations?

Join the thousands of SLPs worldwide who have traded manual counting for professional, automated precision.

Download on the App Store

Designed by SLPs for SLPs

© 2025 Smarty Ears Apps. All rights reserved.

Also in Smarty Ears Online

A disfluency counter in every Smarty Ears Online session.

Counting while you play? Smarty Ears Online has a simple disfluency counter next to every activity: press F for each fluent syllable and D for each disfluent one, then save the counts and the percentage disfluent with the session. For full evaluations, this app’s Advanced and Pro counters break disfluencies down by type.

CompareThe iPad appSmarty Ears Online
Works oniPad and iPhoneAny computer, Chromebook or tablet, in the browser
How you payOnce, on the App StoreMonthly or yearly, with 14 days free
Your dataKept in the appEvery answer saved to each student’s progress page, with reports
What you getBasic, Advanced and Pro counters, with disfluencies by typeA simple counter in every session, plus 90+ activities for speech, language and literacy

Smarty Ears Online is a separate subscription for SLPs and educators: Basic Professional is $29 a month after the free trial, and you can cancel anytime. The Disfluency Index Counter app stays a one-time purchase.

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Need help with Disfluency Index Counter Plus?Questions, problems or restoring a purchase? Our app team replies within 48 business hours.
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