Nano SigmaPlus vs Lexi App
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.
Lexi App
Manage personal leave applications, overtime, and leave balances. View team schedules, absences, and holidays for better task forecasting and leave planning. Submit and approve leave and overtime requests easily with email updates.
- Monitor personal leave applications
- Manage overtime rendered
- Track available leave balance
- Team calendar view for time-off
- Submit and approve leave requests
- Submit and approve overtime requests
- Track leave history and allocation
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Provide convenient on-demand access to monitor and manage personal leave applications, overtime rendered, and available leave balance for the year. The Calendar view in Lexi gives you visibility of your whole team's time-off schedule, a bird’s-eye view of daily presence at work, all absences and planned leave, and even holidays to keep the team well-organized, efficiently forecast the distribution of tasks during the absence of team members, and check if your planned leaves will still be accommodated. Filing of leaves has never been more accessible with Lexi. Submit your VL/SL/UL request and have your immediate supervisor/manager approve with just a few clicks. Manage leave requests with the ability to track leave history and leave allocation. The employee dashboard shows the number of available leaves you can take for the year. Submit your overtime requests and have your immediate supervisor/manager approve with just a few clicks. All updates will be sent to you via email. Keep track of your rendered overtime in one complete view.
Screenshots
Verdict
The clearest difference is rating: Lexi App at 5.0 against Nano SigmaPlus's 4.0. Lexi App also leads on update cadence (fortnightly vs every 7 months). Nano SigmaPlus's advantage is ratings volume (81 vs 1) and iOS requirement (9.0 vs 15.0). 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.
Lexi App 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, Lexi App fortnightly. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.
| Parameter | Nano SigmaPlus | Lexi App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (81 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 84.9% of reviews | — |
| Number of ratings | 81 — better | 1 |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 70 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen NewSound Technology Co., Ltd. | Xurpas Enterprise Inc. |
Customer experience
Nano SigmaPlus
Lexi App
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
Lexi App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nano SigmaPlus
No in-app purchases
Lexi App
No in-app purchases









