Signal (intercom) vs LSE SmartViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Signal (intercom)
This app provides a simple intercom system for quick communication. Create or join a "Signal" to use pre-set buttons for instant messaging in specific scenarios, avoiding unnecessary noise or lengthy conversations.
- Create or join communication 'Signals'
- Use quick communication buttons
- Instant messaging for specific scenarios
- Minimalist design
- Hypothetical use case examples
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Absolutely minimal intercom system. Create a "Signal" or join someone else's, then use quick communication buttons in situations where it might be useful! Like, strictly hypothetically, when your wife yells up to you in your office that "TEA IS READY", and your dog starts barking until you come down - now, she can simply press the "TEA IS READY" button, you can respond with the "COMING" button, and no barking will ensue!
LSE SmartViewer
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This is an app that monitors ACB STU and Smart MCCB using Bluetooth communication. Through this app, you can check the settings and measured status information of each equipment in real time, and check occurred events and stored trip waves through graphic charts.
Screenshots
Verdict
The clearest difference is update cadence: Signal (intercom) at every 2 days against LSE SmartViewer's every 3 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Signal (intercom) ships an update every 2 days, LSE SmartViewer every 3 weeks. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.
| Parameter | Signal (intercom) | LSE SmartViewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 158 MB |
| Age rating | 4+ | 17+ |
| Developer | Matthew Takao | LS ELECTRIC Co., Ltd. |
In-app purchases
Signal (intercom)
No in-app purchases
LSE SmartViewer
No in-app purchases
Questions
Is Signal (intercom) free?
Is LSE SmartViewer free?
Do Signal (intercom) or LSE SmartViewer have ads?
Which is updated more often, Signal (intercom) or LSE SmartViewer?
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