Comparison

ReSound Smart 3D vs Nucleus Smart

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

Head to head
About

ReSound Smart 3D

Control your hearing aids directly from your mobile device. Adjust volume, change programs, personalize sound settings, and even locate lost devices. Receive remote updates and support from your hearing care professional.

Highlights
  • Remote hearing aid control
  • Program and sound adjustment
  • Favorite settings with location tagging
  • Hearing aid locator
  • Remote updates from hearing professional
  • Tinnitus management
Features
Currently charting
Read full description

The ReSound Smart 3D app lets you control your hearing aids directly from your mobile device. You can change programs, and make simple or more advanced sound adjustments and save them as favorites. The app helps you learn what you can do and how to do it. It can even help you find your hearing aids if you lose them. Last, but not least, you can have your hearing care professional update your hearing aid programs and send you new hearing aid software without taking a trip to the clinic. Notes: Please contact your local ReSound representative for product and feature availability in your market. We recommend that the hearing aids run the latest software version. If in doubt, please contact your hearing care professional. ReSound Smart 3D mobile device compatibility: Please consult the ReSound app website for up-to-date compatibility information: www.resound.com/compatibility. Use the ReSound Smart 3D app to: • Enjoy optimization anywhere with ReSound Assist: Request help with your hearing aid settings from your hearing care professional and receive new settings and software updates. And use these direct control and personalization options: • Adjust volume settings on your hearing aids • Mute your hearing aids • Adjust volume of your optionally acquired ReSound streaming accessories • Adjust speech focus as well as noise and wind-noise levels with Sound Enhancer (feature availability depends on your hearing aid model and the fitting by your hearing care professional) • Change manual and streamer programs • Edit and personalize program names • Adjust treble, middle and bass tones to your preferences • Save your preferred settings as a Favorite – you can even tag to a location • Monitor the battery status of your rechargeable hearing aids • Help locate lost or misplaced hearing aids • Tinnitus manager: Adjust sound variation and frequency of the Tinnitus Sound Generator. Select Nature Sounds (feature availability depends on your hearing aid model and the fitting by your hearing care professional) For more information please visit www.resound.com/smart3Dapp or the support site via the link in the app store.

About

Nucleus Smart

This app allows users to control their hearing sound processor directly from a mobile device. Adjust volume, treble, bass, and sensitivity settings, and stream audio wirelessly. It also helps locate lost devices and monitor battery levels and usage statistics.

Highlights
  • Control sound processor settings
  • Activate wireless streaming
  • Adjust volume, treble, bass, sensitivity
  • Locate lost sound processor
  • View processor status and battery
  • Track usage statistics
Features
Read full description

As you move through your day you may be exposed to challenging noise environments. In these everyday moments, actively managing your device settings can help you to hear better. Whether you need to adjust your volume, change program or switch to direct streaming of sound, the Nucleus® Smart App can help you do it quickly, easily and discreetly. We understand you need your sound processor to be working well at all times, so you can hear your best and go about your daily activities. That’s why the Nucleus Smart App offers convenient ways to check the status of your battery, microphones and sound processor, keep track of your hearing and even find a lost processor. With the Nucleus Smart App, you can: - Change programs on your sound processor and activate wireless streaming - Adjust the volume, treble/bass and sensitivity settings (if enabled by your healthcare professional) on your sound processor - Adjust the volume of your Cochlear® True Wireless™ devices - Locate your lost sound processor - View your sound processor status and battery level - Track time spent in speech and the number of coil offs Note: To access the complete functionality of the Nucleus Smart App you will need a Cochlear Account, or you can try the app in Demo Mode. To use the Nucleus Smart App, you first need to pair your Nucleus Sound Processor with a compatible mobile device. See in-app instructions or visit our support page www.nucleussmartapp.com. Compatibility: For information regarding the sound processors, operating systems and devices that are compatible with the Smart Apps and support apps, visit www.cochlear.com/compatibility. Note: Continued use of GPS running in the background can dramatically decrease battery life. The Nucleus Smart App only uses your GPS when it detects your Nucleus Sound Processor has been lost or turned off, and does not constantly track your location. Apple and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries.

Screenshots

ReSound Smart 3D4 screens
Nucleus Smart4 screens

Verdict

The call

The clearest difference is rating: ReSound Smart 3D at 4.6 against Nucleus Smart's 2.9. ReSound Smart 3D also leads on monetization model (free vs free with in-app purchases) and ratings volume (94K vs 778). On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ReSound Smart 3D holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: ReSound Smart 3D has 94K ratings behind it against 778, so its average is the more settled of the two. Written reviews point the same way: 48% of ReSound Smart 3D's written reviews are positive against 26% of Nucleus Smart's.

UpkeepUpdate frequency

ReSound Smart 3D ships an update every 3 months, Nucleus Smart every 2 months. Both last shipped on October 27, 2026.

Scorecard6 real differences · 5 level
ReSound Smart 3D versus Nucleus Smart: the parameters behind the verdict, then further details
ParameterReSound Smart 3DNucleus Smart
PriceFreeFree
Rating4.6 (94K ratings) — better2.9 (778 ratings)
Positive reviews47.6% of reviews — better26.0% of reviews
Number of ratings94K — better778
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
Best chart rank#142 — better—
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS12.2 — better18.0
Further details — not scored
Size267 MB225 MB
Age rating4+4+
DeveloperReSoundCochlear Limited

Customer experience

ReSound Smart 3D

All ratings92,836 ratings
Positive94.8%
Neutral4.2%
Negative1.0%
Written reviews860 reviews
Positive47.6%
Neutral16.5%
Negative35.9%

Nucleus Smart

All ratings736 ratings
Positive41.6%
Neutral16.2%
Negative42.3%
Written reviews392 reviews
Positive26.0%
Neutral19.6%
Negative54.3%

User reviews

ReSound Smart 3D

From 94K App Store ratings

What we love

  • 🚀 Effortless connection to Auracast streams
  • 👍 Great love the hearing aids, recommend to anyone
  • 👍 Outstanding performance
  • 👍 Excellent hearing aids
  • 👍 Easy to use and maintain

Room to improve

  • 🐛 Developers should spend time understanding hearing loss
  • 🐛 Causes connectivity issues, unreliable app
  • 🐛 Constantly disconnects, freezes, and requires reinstalls
  • 🐛 Slow, buggy, and non-responsive
  • 🐛 Causes battery drain on Apple Watch

Nucleus Smart

From 778 App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Convenient Bluetooth connectivity
  • 🎧 Excellent audio streaming
  • 💡 Useful features like 'Find My Processor'

Room to improve

  • 🐛 Frequent connectivity issues
  • 🔁 Unstable app performance after updates
  • 🔋 Inaccurate battery level reporting
  • 🤔 Limited functionality compared to expectations

Bugs and requests

ReSound Smart 3D

Reported bugs

7 issues
  • Constantly disconnects from hearing aids
  • Freezes and requires reinstallation
  • Doesn't recognize hearing aids after iOS updates
  • Switches between programs randomly
  • Causes battery drain on Apple Watch
Show 2 more
  • Stuck in demo mode, can't exit
  • Doesn't work with latest iOS version

Requested features

7 requests
  • Noise cancellation feature
  • Ability to use top buttons for call answering
  • More preset programs and customization options
  • Integration with Siri and Shortcuts
  • Standalone Apple Watch app
Show 2 more
  • Configurable equalizer settings
  • Ability to change program icons

Nucleus Smart

Reported bugs

3 issues
  • App freezes or fails to detect processors
  • Streaming audio issues and unexpected disconnections
  • Settings changes not persisting after app restarts

Requested features

4 requests
  • Apple Watch support
  • Ability to save custom settings
  • Improved Bluetooth range and stability
  • Parental controls for shared devices

In-app purchases

None

ReSound Smart 3D

No in-app purchases

None

Nucleus Smart

No in-app purchases

Questions

Is ReSound Smart 3D free?
ReSound Smart 3D is free to download, with no in-app purchases.
Is Nucleus Smart free?
Nucleus Smart is free to download, with no in-app purchases.
Which has better reviews, ReSound Smart 3D or Nucleus Smart?
ReSound Smart 3D is rated higher. ReSound Smart 3D averages 4.6 out of 5 from 94K ratings, while Nucleus Smart averages 2.9 from 778 ratings.
Do ReSound Smart 3D or Nucleus Smart have ads?
Neither ReSound Smart 3D nor Nucleus Smart shows ads.
Which is updated more often, ReSound Smart 3D or Nucleus Smart?
ReSound Smart 3D ships an update every 3 months, and Nucleus Smart every 2 months. Most recently, ReSound Smart 3D was updated on October 27, 2026 and Nucleus Smart on October 27, 2026.

Other comparisons