Follow one short passage
Your child reads aloud while you follow and tap any word you want to review.
Parent-guided. Manual-first.
Review reading fluency.
Run a one-minute check, review every marked word, and see the calculation before you save.
You stay in control. The parent confirms every saved mark.
One sample stays one sample. No diagnosis or definitive grade claim.
The math stays visible. See time, words attempted, marked errors, WCPM, and accuracy.
Start with the question you have
Run a reading fluency testUse a careful parent-guided protocol and understand the limits of one sample.Calculate WCPMEnter attempted words, confirmed errors, and elapsed seconds in a free browser tool.Understand reading level testsLearn what an informal sample can show and why it is not official placement.Review oral reading fluencyKeep rate, accuracy, expression, and context in their proper roles.
A check you can explain
The app keeps the measurement visible from the first word to the saved result.
Confirm what happened
Set the last word reached and correct any word-level error marks before saving.
Keep one honest snapshot
See WCPM, accuracy, attempted words, errors, and elapsed time in plain language.
A result without a label
See elapsed time, words attempted, parent-marked errors, WCPM, and accuracy together.
Learn how WCPM is calculatedWords correct per minute4646 words correct in a 60-second sample
Accuracy97.9%46 correct out of 47 words attempted
Time counted60 secThe timer ends the sample automatically at one minute
Original passage rotation
Two passages per grade
Fluency Lens includes two first-party passages for each Grade 1 through Grade 5 starting point.
The selected grade guides passage choice. It is not a grade placement.Manual-first by design.
There is no microphone, speech recognition, automatic diagnosis, streak, or ranking. The adult listens and confirms every saved mark.
Start with a real baseline
Your first baseline, its history, and a first practice stay free. Fluency Lens Plus adds repeat checks, WCPM and accuracy trends, up to four reader profiles, and a progress PDF.
Compare plansFluency Lens Plus Annual$99.99/year
Annual is the default plan. Monthly is $14.99. No weekly plan and no trial promise.
Download on iPhoneClear limits build trust
Does this diagnose a reading condition?
No. It records one parent-observed reading sample. Speak with an educator or qualified professional for evaluation.
What is free?
One reader profile, the first completed baseline, chronological history, a first five-minute practice, and an optional recheck reminder. Plus adds repeat checks, trends, up to four reader profiles, and a progress PDF.
Does the app score automatically?
No. The parent reviews the last word and every suspected miscue before saving.
Where is reading data stored?
The iPhone app keeps the profile and reading snapshots locally and needs no account. See the privacy policy for the complete data contract.