# ReSound Smart 3D vs Nucleus Smart

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.

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

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.

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

## The numbers

| Metric | ReSound Smart 3D | Nucleus Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (94K ratings)](https://appshunter.io/ios/app/resound-smart-3d/id1134918918/reviews)** | [2.9 (778 ratings)](https://appshunter.io/ios/app/nucleus-smart/id1210236531/reviews) |
| Number of ratings | **94K** | 778 |
| Positive reviews | **47.6% of reviews** | 26.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#132** | — |
| Size | 267 MB | 225 MB |
| Requires iOS | **12.2** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ReSound](https://appshunter.io/developer/585579327) | [Cochlear Limited](https://appshunter.io/developer/489503787) |

## What reviewers say

### ReSound Smart 3D

[App page](https://appshunter.io/ios/app/resound-smart-3d/id1134918918)

**Currently charting:** #132 Top Free · Medical (US App Store)

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:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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

**Requested features**

- 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


### Nucleus Smart

[App page](https://appshunter.io/ios/app/nucleus-smart/id1210236531)

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:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*