# Nano SigmaPlus vs DoctorHelp

The clearest difference is rating: DoctorHelp at 5.0 against Nano SigmaPlus's 4.0. Nano SigmaPlus's advantage is ratings volume (81 vs 1) and iOS requirement (9.0 vs 12.0). 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.

DoctorHelp holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Nano SigmaPlus has 81 ratings behind it against 1, so its average is the more settled of the two.

Nano SigmaPlus ships an update every 7 months, DoctorHelp every 9 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Nano SigmaPlus | DoctorHelp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (81 ratings)](https://appshunter.io/ios/app/nano-sigmaplus/id1483291641/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doctorhelp/id1540343420/reviews)** |
| Number of ratings | **81** | 1 |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 70 MB | 62 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen NewSound Technology Co., Ltd.](https://appshunter.io/developer/1174641815) | [QW Quickwin](https://appshunter.io/developer/1514843505) |

## 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


### DoctorHelp

[App page](https://appshunter.io/ios/app/doctorhelp/id1540343420)

Capture patient signatures on various documents, approve requests, and send photos directly to electronic health records. Streamline administrative tasks for dental professionals.

**Highlights:** Patient signature collection, Approve dental requests, Grant courtesies, In-app photo capture, Send photos to electronic records

**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 DoctorHelp free?

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

### Which has better reviews, Nano SigmaPlus or DoctorHelp?

DoctorHelp is rated higher. Nano SigmaPlus averages 4.0 out of 5 from 81 ratings, while DoctorHelp averages 5.0 from 1 ratings.

### Do Nano SigmaPlus or DoctorHelp have ads?

Neither Nano SigmaPlus nor DoctorHelp shows ads.

### Which is updated more often, Nano SigmaPlus or DoctorHelp?

Nano SigmaPlus ships an update every 7 months, and DoctorHelp every 9 months. Most recently, Nano SigmaPlus was updated on October 24, 2026 and DoctorHelp on October 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.*