Nano SigmaPlus vs HA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nano SigmaPlus
Connect and control your hearing aids with this application. Adjust volume, program modes, and band equalizers for a personalized listening experience.
- Connect to Nano Hearing Aids
- Adjust Volume
- Change Program Mode
- Customize Band Equalizers
- Personalized Hearing Experience
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You can connect and control your Nano Hearing Aids by this App. For example, you can adjust Volume, Program Mode and Band Equalizers to create a customized hearing experience with your device.
HA
Remotely control your hearing aids with this application. Adjust volume, switch programs, and fine-tune settings like gain and noise reduction. Monitor battery life and connection status for seamless operation.
- Remote hearing aid control
- Volume adjustment
- Program switching
- Gain adjustment
- Feedback and noise reduction control
- Battery status check
- Connection status check
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Users can control hearing aids remotely with HA-Fit software. With the Intelligent Control application, you can: 1. Adjust volume of the hearing aids. 2. Switch the hearing aid program. 3. Adjust the gain. 4. Switch feedback and noise reduction. 5. Check the battery power and connection status.
Screenshots
Verdict
The clearest difference is review sentiment: Nano SigmaPlus at 85% against HA's 10%. Nano SigmaPlus also leads on rating (4.0 vs 2.6) and iOS requirement (9.0 vs 13.0). HA's advantage is update cadence (every 6 weeks vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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. Both are backed by a comparable volume of ratings — 81 and 35 respectively. Written reviews point the same way: 85% of Nano SigmaPlus's written reviews are positive against 10% of HA's.
Nano SigmaPlus ships an update every 7 months, HA every 6 weeks. Both last shipped on November 3, 2026.
| Parameter | Nano SigmaPlus | HA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (81 ratings) — better | 2.6 (35 ratings) |
| Positive reviews | 84.9% of reviews — better | 10.0% of reviews |
| Number of ratings | 81 — better | 35 |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 70 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen NewSound Technology Co., Ltd. | KOOMA INTERNATIONAL TRADING, LLC |
Customer experience
Nano SigmaPlus
HA
Bugs and requests
Nano SigmaPlus
Reported bugs
3 issues- App crashes
- Hearing aids stopped working
- Glitchy and unclear app
Requested features
10 requests- Restore hearing test feature
- Bring back charge level display
- Allow independent left/right adjustment
- Enable turning off hearing aids from app
- Add AirPods compatibility
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- Add EQ/band adjustment
- Add compression adjustment
- Allow hearing phone audio through aids
- Option to customize app appearance (themes)
- Creative mode for sound experimentation
HA
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nano SigmaPlus
No in-app purchases
HA
No in-app purchases
