Comparison

WavelyDx vs Kendamil Study

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

Head to head
About

WavelyDx

This medical tool uses your smartphone and a special funnel to detect middle ear fluid, aiding parents and clinicians in identifying potential ear infections. It helps determine when to seek professional medical advice for children over 6 months old.

Highlights
  • Detects middle ear fluid
  • Acoustic reflectometry technology
  • Aids in identifying ear infections
  • For parents and clinicians
  • Supports children over 6 months
Currently charting
Read full description

The Wavely App turns your smartphone and a simple paper funnel (purchased separately) into an acoustic reflectometer, which uses sound waves to accurately detect the presence of middle ear fluid that may be associated with an acute ear infection. The Wavely app is intended to help parents determine when to seek medical attention and also to help detect middle ear fluid as part of a medical examination. It is designed for use by parents, caregivers and clinicians on children older than 6 months. Parents should always seek a doctor's advice before making any medical decisions when using this app. The WavelyDx requires a subscription. For Terms of Use please visit https://www.wavelydx.com/terms

About

Kendamil Study

Features
Read full description

Welcome to the Kendamil Study: The Kendamil app is a proprietary platform of ObvioHealth being used to manage a trial to study use of an investigational infant formula and how it affect infant growth and tolerance in comparison to current market formula. The Kendamil app removes the costly overhead of physical site visits and brings the trial directly to the mobile device of each subject. The result? Robust data collection, increased compliance, faster time to completion, and average cost savings of ~50% vs. traditional on-site trials. Subject Journey A subject who is identified as eligible for this study during pre-screening will be invited to download the Kendamil App via e-mail. Upon download, the participants create an account and complete the Informed Consent process. A series of screens explains the parameters of the study, including: o Privacy Policy o Data Gathering & Usage o Study Tasks & Surveys o Time Commitment o Option to Withdraw Subjects will have the opportunity to connect with a member of the study team to ask questions prior to signing the informed consent form. Intervention Period: Daily Tasks Subjects will contribute data to the study by completing questionnaires and data uploads over a 7-day baseline period and 16-week active trial period. Subjects can interact with the study team via secure chat as needed.

Screenshots

WavelyDx4 screens
Kendamil Study4 screens

Verdict

The call

The clearest difference is in-app purchases: Kendamil Study at none against WavelyDx's 9. Kendamil Study also leads on ads (none vs shown). WavelyDx's advantage is update cadence (every 3 weeks vs every 2 months) and chart position (#189 vs unranked). On price, device support and iOS requirement 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

Both are free to download. WavelyDx sells 9 in-app purchases, starting at $5.99 per month. Kendamil Study asks for nothing beyond the download.

UpkeepUpdate frequency

WavelyDx ships an update every 3 weeks, Kendamil Study every 2 months. The most recent releases landed on August 16, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 7 level
WavelyDx versus Kendamil Study: the parameters behind the verdict, then further details
ParameterWavelyDxKendamil Study
PriceFreeFree
Rating4.5 (13 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings13 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#189 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.413.0 — better
Further details — not scored
Size211 MB40 MB
Age rating17+4+
DeveloperWavely Diagnostics, Inc.Obvio Health USA Inc.

In-app purchases

9 purchases

WavelyDx

Subscriptions6
  • MONTHLY$5.991 Month
  • 3 MONTH SUBSCRIPTION7 Days trial$21.003 Months
  • SEASONAL EAR CHECK ACCESS$27.003 Months
Show 3 more
  • YEARLY EAR CHECK ACCESS$60.001 Year
  • One month trial FOR NEW USERS1 Month trial$60.001 Year
  • 1 YEAR SUBSCRIPTION7 Days trial$60.001 Year
One-time3
  • ONE WEEK OF EAR CHECK ACCESS$9.00
  • ONE WEEK OF EAR CHECK ACCESS$15.00
  • LIFETIME PURCHASE$99.00
None

Kendamil Study

No in-app purchases

Questions

Is WavelyDx free?
WavelyDx is free to download, with in-app purchases available.
Is Kendamil Study free?
Kendamil Study is free to download, with no in-app purchases.
Do WavelyDx or Kendamil Study have ads?
WavelyDx shows ads; Kendamil Study does not.
Which is updated more often, WavelyDx or Kendamil Study?
WavelyDx ships an update every 3 weeks, and Kendamil Study every 2 months. Most recently, WavelyDx was updated on August 16, 2026 and Kendamil Study on September 17, 2026.

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