Nano SigmaPlus vs HearFind
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.
HearFind
Easily locate lost Bluetooth hearing aids with advanced tracking technology. The app displays nearby Bluetooth devices, their distance, and signal strength. Set up notifications to be alerted when your hearing aid is back in range, even when the app is closed.
- Locate lost Bluetooth hearing aids
- Display nearby Bluetooth devices
- Show device distance and signal strength
- Graphical signal strength indicator
- Out-of-range notifications
- Track any Bluetooth hearing aid
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HearFind is the latest in tracking technology to help you easily find your lost Bluetooth Hearing Aids. HearFind intelligently detects hearing aids and also shows you list of nearby Bluetooth devices with their distance and signal strength. Device detail shows graphical signal strength to easily locate your hearing aid. If your hearing aid is out of range, you can set a notification on it. HearFind will notify you when it sees your hearing aid again. This works even when HearFind app is closed. • See distance in feet or meters. • Automatically get notified when your lost hearing aid is seen by the HearFind app. • Track and Find any Bluetooth enabled hearing aid. • Beautiful sleek design and responsive controls.
Screenshots
Verdict
The clearest difference is review sentiment: Nano SigmaPlus at 85% against HearFind's 24%. Nano SigmaPlus also leads on in-app purchases (none vs 1) and rating (4.0 vs 3.7). On price, ratings volume, ads and device support 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. HearFind sells 1 one-off in-app purchase. Nano SigmaPlus asks for nothing beyond the download.
Nano SigmaPlus holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 81 and 197 respectively. Written reviews point the same way: 85% of Nano SigmaPlus's written reviews are positive against 24% of HearFind's.
Nano SigmaPlus ships an update every 7 months, HearFind every 32 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | Nano SigmaPlus | HearFind |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (81 ratings) — better | 3.7 (197 ratings) |
| Positive reviews | 84.9% of reviews — better | 24.0% of reviews |
| Number of ratings | 81 | 197 — better |
| Update frequency | Every 7 months — better | Every 32 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 70 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen NewSound Technology Co., Ltd. | Tech Positive |
Customer experience
Nano SigmaPlus
HearFind
User reviews
Nano SigmaPlus
From 81 App Store ratingsWhat we love
- 👍 Easy to use and navigate
- 🚀 Quick and easy Bluetooth connection
- 💡 Customizable volume and sound modes
- ✨ Simple and clean user interface
- 😊 Helpful for hearing loss
Room to improve
- 📉 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
HearFind
From 197 App Store ratingsWhat we love
- ✅ Found hearing aid quickly
- ✅ Accurate to inches
- ✅ Works well for some users
- ✅ Clever app
- ✅ Works as advertised
Room to improve
- ❌ App doesn't work
- ❌ Waste of money
- ❌ Inaccurate distance readings
- ❌ Useless
- ❌ No instructions
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
Show 5 moreShow fewer
- Add EQ/band adjustment
- Add compression adjustment
- Allow hearing phone audio through aids
- Option to customize app appearance (themes)
- Creative mode for sound experimentation
HearFind
Reported bugs
15 issues- App doesn't find hearing aid
- Keeps saying 35% away, even when found
- Blank list of nothing
- Not very accurate distance
- Shows incorrect distances (e.g., 52 feet when 2 feet away, 126 feet, 7000 feet)
Show 10 moreShow fewer
- Doesn't see hearing aids when close
- Can't find hearing aid even when phone is directly over it
- Complete failure to detect Phonak hearing aids
- Spinning-searching icon, couldn't see target
- App says found, then loses signal
- Signal fades out if motionless
- Couldn't find hearing aid that wasn't lost
- Signal got weaker as moved closer
- No difference when paying for pro version
- Website not secure
Requested features
5 requests- Provide refunds for non-working app
- Offer free version to help those without extra money
- Include clear instructions
- Improve range detection
- Allow use without constant review prompts
In-app purchases
Nano SigmaPlus
No in-app purchases
HearFind
- Lifetime Unlock$19.99
Questions
Is Nano SigmaPlus free?
Is HearFind free?
Which has better reviews, Nano SigmaPlus or HearFind?
Do Nano SigmaPlus or HearFind have ads?
Which is updated more often, Nano SigmaPlus or HearFind?
Other comparisons
