Nano SigmaPlus vs OIDO Hearing
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.
OIDO Hearing
This application allows users to remotely manage their hearing aids. Adjust volume, switch programs, modify sensitivity, and control noise reduction. It also provides battery status and connection information.
- Remote hearing aid control
- Volume adjustment
- Program switching
- Sensitivity adjustment
- Feedback and noise reduction
- Listening tests
- Battery status check
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Users can control hearing aids remotely with OIDO Hearing software. With the Intelligent Control application, you can: 1.Adjust volume of the hearing aids. 2.Switch the hearing aid program. 3.Adjust sensitivity size 4.Switch feedback and noise reduction 5.Test your listening 6.Check the battery power and connection status.
Screenshots
Verdict
The clearest difference is rating: OIDO Hearing at 5.0 against Nano SigmaPlus's 4.0. OIDO Hearing also leads on update cadence (every 3 weeks vs every 7 months) and review sentiment (100% vs 85%). Nano SigmaPlus's advantage is ratings volume (82 vs 4) and iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and monetization model 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.
OIDO Hearing holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Nano SigmaPlus has 82 ratings behind it against 4, 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 100% of OIDO Hearing's.
Nano SigmaPlus ships an update every 7 months, OIDO Hearing every 3 weeks. The most recent releases landed on October 16, 2026 and September 20, 2026 respectively.
| Parameter | Nano SigmaPlus | OIDO Hearing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (82 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 84.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 82 — better | 4 |
| Update frequency | Every 7 months | Every 3 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 | 12.0 |
| Further details — not scored | ||
| Size | 70 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen NewSound Technology Co., Ltd. | Xiamen Vienatone Medical Technology Co., Ltd |
Customer experience
Nano SigmaPlus
OIDO Hearing
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
OIDO Hearing
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nano SigmaPlus
No in-app purchases
OIDO Hearing
No in-app purchases
Questions
Is Nano SigmaPlus free?
Is OIDO Hearing free?
Which has better reviews, Nano SigmaPlus or OIDO Hearing?
Do Nano SigmaPlus or OIDO Hearing have ads?
Which is updated more often, Nano SigmaPlus or OIDO Hearing?
Other comparisons
