# Nano SigmaPlus vs EZ Trans

The clearest difference is iOS requirement: Nano SigmaPlus at 9.0 against EZ Trans's 16.6. 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.

Nano SigmaPlus ships an update every 7 months, EZ Trans every 8 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Nano SigmaPlus | EZ Trans |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (81 ratings)](https://appshunter.io/ios/app/nano-sigmaplus/id1483291641/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | Free | — |
| Size | 70 MB | 14 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen NewSound Technology Co., Ltd.](https://appshunter.io/developer/1174641815) | [INDOSWIFT CONSULTANCY SERVICES PRIVATE LIMITED](https://appshunter.io/developer/1616512665) |

## 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


### EZ Trans

[App page](https://appshunter.io/ios/app/ez-trans/id1616512663)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nano SigmaPlus free?

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

### Is EZ Trans free?

EZ Trans is free to download, with no in-app purchases.

### Do Nano SigmaPlus or EZ Trans have ads?

Neither Nano SigmaPlus nor EZ Trans shows ads.

### Which is updated more often, Nano SigmaPlus or EZ Trans?

Nano SigmaPlus ships an update every 7 months, and EZ Trans every 8 months. Most recently, Nano SigmaPlus was updated on November 3, 2026 and EZ Trans on November 3, 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.*