# Nano SigmaPlus vs hearing device

The clearest difference is review sentiment: Nano SigmaPlus at 85% against hearing device's 33%. Nano SigmaPlus also leads on rating (4.0 vs 2.6) and ratings volume (82 vs 5). hearing device's advantage is update cadence (every 6 weeks vs every 7 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Nano SigmaPlus holds the better App Store score, 4.0 against 2.6. That said, the two scores are not equally well evidenced: Nano SigmaPlus has 82 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 85% of Nano SigmaPlus's written reviews are positive against 33% of hearing device's.

Nano SigmaPlus ships an update every 7 months, hearing device every 6 weeks. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Nano SigmaPlus | hearing device |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (82 ratings)](https://appshunter.io/ios/app/nano-sigmaplus/id1483291641/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/hearing-device/id6461532082/reviews) |
| Number of ratings | **82** | 5 |
| Positive reviews | **84.9% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 19 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Xiamen NewSound Technology Co., Ltd.](https://appshunter.io/developer/1174641815) | [建新 李](https://appshunter.io/developer/1702513431) |

## What reviewers say

### Nano SigmaPlus

[App page](https://appshunter.io/ios/app/nano-sigmaplus/id1483291641)

Connect and control your hearing aids with this application. Adjust volume, program modes, and band equalizers for a personalized listening experience.

**Highlights:** Connect to Nano Hearing Aids, Adjust Volume, Change Program Mode, Customize Band Equalizers, Personalized Hearing Experience

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 🚀 Quick and easy Bluetooth connection
- 💡 Customizable volume and sound modes
- ✨ Simple and clean user interface
- 😊 Helpful for hearing loss

**What reviewers complain about**

- 📉 Removed/changed features
- 🔋 Battery life not as advertised
- 🎛️ Left and right adjustments sync
- 🚫 Cannot turn off hearing aids from app
- ❓ Manual doesn't match app features

**Reported bugs**

- App crashes
- Hearing aids stopped working
- Glitchy and unclear app

**Requested features**

- Restore hearing test feature
- Bring back charge level display
- Allow independent left/right adjustment
- Enable turning off hearing aids from app
- Add AirPods compatibility


### hearing device

[App page](https://appshunter.io/ios/app/hearing-device/id6461532082)

Connect your Bluetooth hearing aids to your iPhone or iPod. This utility app allows for seamless pairing and control of your assistive listening devices.

**Highlights:** Bluetooth hearing aid connection, iOS device compatibility, Assistive listening device management, Simple pairing interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nano SigmaPlus free?

Nano SigmaPlus is free to download, with no in-app purchases.

### Is hearing device free?

hearing device is free to download, with no in-app purchases.

### Which has better reviews, Nano SigmaPlus or hearing device?

Nano SigmaPlus is rated higher. Nano SigmaPlus averages 4.0 out of 5 from 82 ratings, while hearing device averages 2.6 from 5 ratings.

### Do Nano SigmaPlus or hearing device have ads?

Neither Nano SigmaPlus nor hearing device shows ads.

### Which is updated more often, Nano SigmaPlus or hearing device?

Nano SigmaPlus ships an update every 7 months, and hearing device every 6 weeks. Most recently, Nano SigmaPlus was updated on October 7, 2026 and hearing device on September 23, 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.*