CMC Swift vs LSE SmartViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CMC Swift
Control Omicron CMCs to output analog voltages and currents, feed in binary signals, or measure them. Perform wiring and control system checks, as well as trip tests for protective functions quickly and easily. It also facilitates polarity checks when used with a handheld CPOL device.
- Output analog voltages and currents
- Feed in binary signals
- Measure binary signals
- Perform wiring and control system checks
- Conduct trip tests for protective functions
- Perform polarity checks with CPOL device
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For more information how to get started, visit https://www.omicronenergy.com/cmcswift With CMC Swift you can output analog voltages and currents via your CMC, feed in binary signals or measure them. Wiring and control system checks as well as pickup and trip tests of protective functions, such as overcurrent protection, can be performed quickly and easily. In combination with a handheld CPOL device, polarity checks can be easily performed.
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: LSE SmartViewer at every 3 weeks against CMC Swift's every 4 months. LSE SmartViewer also leads on iOS requirement (11.0 vs 15.0). 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.
CMC Swift ships an update every 4 months, LSE SmartViewer every 3 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.
| Parameter | CMC Swift | LSE SmartViewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 127 MB | 158 MB |
| Age rating | 4+ | 17+ |
| Developer | OMICRON electronics GmbH | LS ELECTRIC Co., Ltd. |
In-app purchases
CMC Swift
No in-app purchases
LSE SmartViewer
No in-app purchases
Questions
Is CMC Swift free?
Is LSE SmartViewer free?
Do CMC Swift or LSE SmartViewer have ads?
Which is updated more often, CMC Swift or LSE SmartViewer?
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