# Nano SigmaPlus vs HearingAssist STREAM

The clearest difference is rating: Nano SigmaPlus at 4.0 against HearingAssist STREAM's 2.4. Nano SigmaPlus also leads on ratings volume (81 vs 9) and iOS requirement (9.0 vs 11.0). HearingAssist STREAM's advantage is update cadence (every 10 days 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 2.4. That said, the two scores are not equally well evidenced: Nano SigmaPlus has 81 ratings behind it against 9, so its average is the more settled of the two.

Nano SigmaPlus ships an update every 7 months, HearingAssist STREAM every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Nano SigmaPlus | HearingAssist STREAM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (81 ratings)](https://appshunter.io/ios/app/nano-sigmaplus/id1483291641/reviews)** | [2.4 (9 ratings)](https://appshunter.io/ios/app/hearingassist-stream/id1626580571/reviews) |
| Number of ratings | **81** | 9 |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 70 MB | 47 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Xiamen NewSound Technology Co., Ltd.](https://appshunter.io/developer/1174641815) | [InnerScope Hearing Technologies Inc.](https://appshunter.io/developer/1438059351) |

## 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


### HearingAssist STREAM

[App page](https://appshunter.io/ios/app/hearingassist-stream/id1626580571)

This utility application simplifies the use of hearing aid devices. It offers enhanced control and accessibility for users managing their auditory assistance technology.

**Highlights:** Hearing aid device management, Enhanced control, Improved accessibility, Streamlined user experience

**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 HearingAssist STREAM free?

HearingAssist STREAM is free to download, with no in-app purchases.

### Which has better reviews, Nano SigmaPlus or HearingAssist STREAM?

Nano SigmaPlus is rated higher. Nano SigmaPlus averages 4.0 out of 5 from 81 ratings, while HearingAssist STREAM averages 2.4 from 9 ratings.

### Do Nano SigmaPlus or HearingAssist STREAM have ads?

Neither Nano SigmaPlus nor HearingAssist STREAM shows ads.

### Which is updated more often, Nano SigmaPlus or HearingAssist STREAM?

Nano SigmaPlus ships an update every 7 months, and HearingAssist STREAM every 10 days. Most recently, Nano SigmaPlus was updated on October 24, 2026 and HearingAssist STREAM on October 24, 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.*