Comparison

hearingOS vs Dozza

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

Head to head
About

hearingOS

This app enhances your hearing by amplifying external audio and improving speech intelligibility using AI. It works with various earphones and allows personalized adjustments to suit your specific needs and environment.

Highlights
  • AI-powered audio processing
  • Speech intelligibility enhancement
  • Noise suppression
  • Amplifies external audio
  • Works with wireless & wired earphones
  • Personalized sound adjustments
  • Includes a hearing test
Currently charting
Read full description

hearingOS is the world's leading Hearing Aid App Hear everything clearly -hearingOS will support your hearing. Whether young or old, you can benefit from smart algorithms that process and improve external audio for your ears. Better speech understanding and intelligibility -hearingOS uses state of the art Artifical Intelligence to suppress noise and increase speech intelligibility. -Signals are amplified through the smart algorithm amplifier while noise is suppressed. Works with Wireless & Wired Earphones -Supports almost all headphones that can be connected through Bluetooth or a Cable, including Apple Airpods. Adjusts to your ears -Move the colored dots around on the slider and instantly notice the difference. Every person and every situation is different. hearingOS is the #1 hearing aid app,audio booster,sound amplifier,hearing helper,listening device on the iOS App Store. hearingOS also includes a hearing test. Privacy Policy & Terms of Service can be viewed here: http://www.hearingos.com/tos. SUBSCRIPTION - PRICES AND CONDITIONS HearingOS is available for free download. All users are invited to take a 7-day trial week. If you want to continue using hearingOS, we offer you an automatic extension. To use the app after the free trial, either a monthly or a yearly subscription is required. Your credit card will be debited within your iTunes account after the order confirmation has been received. The subscription will be extended if you do not disable it at least 24 hours before the renewal date. There is no price increase on an extension. The subscription is auto-renewable but can be cancelled at any time. Subscriptions can be managed in the iTunes account settings and the automatic extension can be deactivated. After purchase, no reimbursement can be made for a non-utilized portion of the period.

About

Dozza

Features
Read full description

Organize your medications and keep a clearer view of your health routine. Dozza brings reminders, dose records, vital signs, health goals, and family connections together in one place. KEEP MEDICATIONS ORGANIZED Record each medication’s name, strength, unit, dosage form, and route of administration. Add a photo or customize its appearance with shapes and colors, including two colors for capsules. Track your supply, refill threshold, and expiration date. The CATMAT catalog is designed for Brazil and helps fill in medication details by name or code, with barcode scanning when a matching entry is available. You can enter details manually for other markets. Always check the information before saving. REMINDERS AND YOUR DAILY SCHEDULE Set medication times and see your daily dose schedule. Record doses taken or skipped, check pending doses, and follow your progress throughout the day. When snoozing is enabled, choose from 5 to 60 minutes until the next reminder. Review past entries in your dose history. VITAL SIGNS AND HEALTH GOALS Log your blood pressure, heart rate, blood glucose, temperature, oxygen saturation, and other measurements, such as weight and pain level. Review charts and history, and track health goals with target values, progress entries, and deadlines. SHARED CARE, WITH YOUR PERMISSION Connect with family members or caregivers through an invitation. The profile owner reviews each request and chooses what to share. Viewing, adding, editing, and deleting medications and alarms are separate permissions. You can also allow access to shared vital signs and dose alerts. NOTIFICATIONS AND REPORTS Keep reminders and updates in the notification center and open the related screen to take the next step. Review reports about your routine and use Premium features to export PDF reports for sharing when you choose. START WITH THE FREE PLAN Use essential features within the free plan’s limits. Dozza Premium increases medication and alarm limits and adds extended history and PDF reports. See the app for each plan’s features, limits, and pricing. Subscriptions renew automatically and can be managed or canceled in your App Store account settings. Available in Brazilian and European Portuguese, U.S. and U.K. English, Spanish, French, German, and Italian. Dozza is an organization and recordkeeping tool. It does not take measurements using your phone or replace medical advice, diagnosis, or prescriptions. Follow your healthcare professional’s instructions. Reminders depend on notification permissions and device settings. Privacy Policy: https://dozza.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

hearingOS4 screens
Dozza4 screens

Verdict

The call

The clearest difference is ads: hearingOS at none against Dozza's shown. hearingOS also leads on update cadence (every 5 days vs every 2 months) and chart position (#41 vs unranked). On price, in-app purchases, 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. hearingOS sells 8 in-app purchases, starting at $7.99 per 7 days and Dozza sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

hearingOS ships an update every 5 days, Dozza every 2 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 8 level
hearingOS versus Dozza: the parameters behind the verdict, then further details
ParameterhearingOSDozza
PriceFreeFree
Rating4.1 (2.4K ratings) — better—
Positive reviews11.4% of reviews—
Number of ratings2.4K — better—
Update frequencyEvery 5 days — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#41 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.5 — better
Further details — not scored
Size49 MB96 MB
Age rating12+17+
DeveloperhearingOS GmbHSidnei de Souza Junior

Bugs and requests

hearingOS

Reported bugs

3 issues
  • App crashes frequently
  • Unexpected charges and billing issues
  • Compatibility problems with various devices and headphones

Requested features

4 requests
  • Better instructions and guidance
  • Labeling for controls
  • Compatibility with more devices
  • Ability to cancel subscription easily

Dozza

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

hearingOS

Subscriptions8
  • hearingOS Weekly Premium7 Days trial$7.997 Days
  • hearingOS Starter Subscription$9.991 Month
  • hearingOS Premium Subscription7 Days trial$12.991 Month
Show 5 more
  • hearingOS Saver Subscription$23.993 Months
  • hearingOS Ultra Saver7 Days trial$99.991 Year
  • hearingOS Annual Subscription7 Days trial$134.991 Year
  • hearingOS Super Saver7 Days trial$149.991 Year
  • hearingOS Annual Subscription7 Days trial$199.001 Year
3 purchases

Dozza

Subscriptions2
  • Monthly Premium$2.991 Month
  • Annual Premium$29.991 Year
One-time1
  • Lifetime Premium$89.99

Questions

Is hearingOS free?
hearingOS is free to download, with in-app purchases available.
Is Dozza free?
Dozza is free to download, with in-app purchases available.
Do hearingOS or Dozza have ads?
Dozza shows ads; hearingOS does not.
Which is updated more often, hearingOS or Dozza?
hearingOS ships an update every 5 days, and Dozza every 2 months. Most recently, hearingOS was updated on October 21, 2026 and Dozza on October 13, 2026.

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