Comparison

Nano SigmaPlus vs Lexi App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nano SigmaPlus

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
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Nano SigmaPlus3 screens
Lexi App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Nano SigmaPlus versus Lexi App: the parameters behind the verdict, then further details
ParameterNano SigmaPlusLexi App
PriceFreeFree
Rating4.0 (81 ratings)5.0 (1 ratings) — better
Positive reviews84.9% of reviews—
Number of ratings81 — better1
Update frequencyEvery 7 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size70 MB17 MB
Age rating4+4+
DeveloperXiamen NewSound Technology Co., Ltd.Xurpas Enterprise Inc.

Customer experience

Nano SigmaPlus

All ratings82 ratings
Positive75.6%
Neutral11.0%
Negative13.4%
Written reviews53 reviews
Positive84.9%
Neutral7.5%
Negative7.5%

Lexi App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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 more
  • 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

None

Nano SigmaPlus

No in-app purchases

None

Lexi App

No in-app purchases

Questions

Is Nano SigmaPlus free?
Nano SigmaPlus is free to download, with no in-app purchases.
Is Lexi App free?
Lexi App is free to download, with no in-app purchases.
Which has better reviews, Nano SigmaPlus or Lexi App?
Lexi App is rated higher. Nano SigmaPlus averages 4.0 out of 5 from 81 ratings, while Lexi App averages 5.0 from 1 ratings.
Do Nano SigmaPlus or Lexi App have ads?
Neither Nano SigmaPlus nor Lexi App shows ads.
Which is updated more often, Nano SigmaPlus or Lexi App?
Nano SigmaPlus ships an update every 7 months, and Lexi App fortnightly. Most recently, Nano SigmaPlus was updated on October 29, 2026 and Lexi App on October 20, 2026.

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