smartMSSV3 vs Elecalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
smartMSSV3
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[About smartMSSV3] If you are considering protection coordination for extra-high voltage or high voltage receiving and generating transformer equipment, let smartMSSV3 do the job for you. You can use smartMSSV3 to quickly create a single-line diagram and protection coordination diagram. In addition, the protection coordination that was created can be printed out onsite using the AirPrint function. The protection coordination data that was created can be converted into a PDF file and sent via email. [Main Functions] ■ Creating single-line diagrams - By simply tapping and dragging the device symbol, you can quickly create a single-line diagram for 1 system. - On the properties screen, you can quickly edit the basic settings, such as the system voltage, as well as the protection coordination settings for the operation characteristics. ■ Creating protection coordination diagrams - After creating a single-line diagram, just tap it once anywhere to create protection coordination. - You are free to consider various protection coordination options using overcurrent relays, fuses, MCCBs and overload relays. - You can quickly change the operation characteristics and also consider the protection coordination onsite. ■ Print function - You can use the AirPrint function to print out data onsite. - You can convert the protection coordination diagram that was created into a PDF file. - The protection coordination diagram that was converted into a PDF file can be sent to the email address you used to log in. Privacy Policy https://www.kyokuto.co.jp/privacy.html Terms of Service https://www.kyokuto.co.jp/terms.html
Elecalc
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This application corresponds to the power supply frequency (50 Hz & 60 Hz) in Japan. You can calculate the output from the current and calculate the current from the output. And you can easily calculate the voltage drop value. This application covers the major cable types in Japan.
Screenshots
Verdict
The clearest difference is update cadence: smartMSSV3 at every 2 months against Elecalc's every 10 months. Elecalc's advantage is iOS requirement (10.2 vs 12.0). 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.
smartMSSV3 ships an update every 2 months, Elecalc every 10 months. Both last shipped on October 26, 2026.
| Parameter | smartMSSV3 | Elecalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 10.2 — better |
| Further details — not scored | ||
| Size | 104 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | ELECHS KYOKUTO CO.,LTD. | Kenichiro Kariya |
In-app purchases
smartMSSV3
No in-app purchases
Elecalc
No in-app purchases



