Comparison

Number Therapy vs WHOears

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Number Therapy

Practice understanding, saying, and typing numbers to improve essential communication skills. This app helps stroke survivors and individuals with cognitive disorders build independence with number-related tasks like dates, money, and phone numbers.

Highlights
  • Practice understanding, saying, and typing numbers
  • Covers dates, money, phone numbers, and more
  • Thousands of unique exercises
  • Customizable interface
  • Progress tracking and recommendations
  • Email progress reports for therapists
Read full description

Numbers communicate so much, yet they are often left out of communication therapy. Now stroke survivors can practice understanding, saying, and typing numbers at home to improve these essential life skills. ***Try for FREE with Number Therapy Lite*** “I really like it! The money and phone numbers – that’s what I need to practice.” – Sarah, stroke survivor with aphasia Age, dates, phone numbers, addresses, money, time, measurements, fractions, weight, years – numbers are everywhere and so important. Be more independent with communication with stronger number communication skills. Would you be able to understand, write down, and tell someone this phone message? “Your appointment is at 3:15 p.m. on August 3rd, 2015 at 1650 18th Avenue. Bring $5. Please call back to confirm at 785-5662.” Work on all these number skills and more with the evidence-based Number Therapy app! 30 categories of numbers including: *Single Digits *Double Digits *Triple Digits *Four Digits *Time *Money *Phone Numbers (add your own!) *Ordinals *Fractions Thousands of unique exercises you can use anywhere. Work at your own pace to practice the skills that matter to you. Great for cognitive disorders such as impaired working memory or auditory memory, too! Listen to long numbers and type them in - it's harder than it sounds. Train the ear to listen with this app. This app has the same highly customizable, clean, intuitive interface you’ve come to love in Tactus Therapy apps. Developed in conjunction with people with aphasia, this app is designed to help you get the intensity of practice you need in a way that is easy to use. Number Therapy also has a feature to give you recommendations for which level and settings you should use based on your score. See how easy it is to make progress when you're working at the right level for you! "Number Therapy is a game changer for me. I love it." - Trish, stroke survivor with aphasia Speech-Language Pathologists: use this app to make the communication of numbers a part of your therapy plan for people with aphasia or other disorders. Three unique activities address auditory and reading comprehension, verbal expression, and written expression. Your clients can use the built-in hints, cues, and audio recording to be successful, then e-mail you their results in a professional report so you can track their progress over time. Ideal for use in the clinic and at home, add Number Therapy to your therapy app collection! *Please note: this app does NOT address math skills or equations. It focuses on the communication of numbers, not calculations.

About

WHOears

Features
Read full description

WHOears is a pure-tone-based psychoacoustic app for auditory assessment, research, and educational use. It is designed to be used with compatible audio hardware in quiet, controlled environments by trained users following the in-app instructions. The app provides a structured step-by-step workflow to support: • device setup and configuration prior to testing, • pure-tone-based auditory procedures, • consistent use in controlled acoustic conditions, • research and educational listening tasks. WHOears provides results for informational or research purposes only. Important: WHOears is not a medical device and does not provide any diagnosis or treatment. Its results are not intended to be used for medical diagnosis or to replace, under any circumstances, a comprehensive hearing evaluation by a qualified professional.

Screenshots

Number Therapy4 screens

Verdict

The call

The clearest difference is price: WHOears at Free against Number Therapy's $29.99. WHOears also leads on update cadence (every 2 months vs every 4 months). Number Therapy's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 18.0). On ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

WHOears is free to download; Number Therapy costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Number Therapy ships an update every 4 months, WHOears every 2 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Number Therapy versus WHOears: the parameters behind the verdict, then further details
ParameterNumber TherapyWHOears
Price$29.99Free — better
Rating4.7 (268 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings268 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS9.0 — better18.0
Further details — not scored
Size7 MB11 MB
Age rating4+4+
DeveloperTactus Therapy Solutions Ltd.World Health Organization

In-app purchases

None

Number Therapy

No in-app purchases

None

WHOears

No in-app purchases

Questions

Is Number Therapy free?
Number Therapy costs $29.99, with no in-app purchases.
Is WHOears free?
WHOears is free to download, with no in-app purchases.
Do Number Therapy or WHOears have ads?
Neither Number Therapy nor WHOears shows ads.
Which is updated more often, Number Therapy or WHOears?
Number Therapy ships an update every 4 months, and WHOears every 2 months. Most recently, Number Therapy was updated on November 7, 2026 and WHOears on November 5, 2026.

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