Comparison

Transformer Calculator Plus vs Drive Diagnostics

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

Head to head
About

Transformer Calculator Plus

This utility app calculates key parameters for transformers, including voltage, current, and turns ratio. It helps determine if a transformer is step-up or step-down, essential for power conversion applications.

Highlights
  • Calculate primary and secondary voltage
  • Calculate primary and secondary current
  • Calculate transformer turns ratio
  • Determine step-up or step-down transformer
  • Supports AC voltage calculations
Features
Read full description

Transformer Calculator calculate any parameter within the transformer equation, including primary and secondary voltage, current, and turns. Transformer Calculations Include: Transformer Turns Ratio – Current and Turns Transformer Turns Ratio – Voltage and Turns Transformer Turns Ratio – Voltage and Current The result will indicate whether the transformer is step-up or step-down. Transformers are primarily used as power converters. The two types—step-up and step-down—operate on the same principle but in opposite directions. A step-up transformer converts a lower AC voltage to a higher voltage, while a step-down transformer reduces a higher AC voltage to a lower level. For example, if a country uses 110 V power, a step-up transformer converts it to 220 V, and a step-down transformer does the reverse. Both work with alternating current (AC). A transformer consists of a soft iron core with two coils wound around it, which are not electrically connected. These coils may be wound on separate limbs of the iron core or placed one over the other. The coil to which the alternating voltage is applied is called the primary coil or primary winding. When an alternating voltage is applied, the resulting alternating current in the primary winding generates a changing magnetic field. This changing field induces an alternating current in the secondary coil. The magnitude of the induced voltage depends on the number of turns in the secondary winding. All transformers have a nameplate rating. It is best to operate them within the voltage limits specified. Using a step-down transformer below its rated limit can support a wide range of applications, but exceeding the specified limit is dangerous and may cause electrical failure. The relationship between voltage, current, and the number of turns in each coil is given by: Vp/Vs = Np/Ns = Is/Ip Where: Vp – Primary voltage Vs – Secondary voltage Np – Primary turns Ns – Secondary turns Ip – Primary current Is – Secondary current Thank you for your support, and please visit nitrio.com for more apps for your iOS devices.

About

Drive Diagnostics

Read full description

If you require assistance for the diagnostics of your Bonfiglioli frequency inverter. Check this app! You can easily look for fault codes of supported Bonfiglioli frequency inverters series: * ACT - ACTIVE * ACU - ACTIVE CUBE * ANG - ACTIVE NEXT GENERATION * AGL - AGILE How to use: Just enter the Fault Code and the device displays immediately the cause and useful remedy information. For more complex cases you can also find the contact information of Bonfiglioli support team in the dedicated section. Moreover, inside the app you can find our most frequently asked questions that can help you in your daily usage of Bonfiglioli inverters. Support: For mobile app support, please send an email to: support.mechatronics@bonfiglioli.com Our Vision: We attract, develop and retain valuable people to make a difference. We empower them to build an effective organization to fulfill their potential. We focus on high performance and business excellence. We engineer dreams! This App is completely free of charge.

Screenshots

Transformer Calculator Plus4 screens
Drive Diagnostics4 screens

Verdict

The call

The clearest difference is price: Drive Diagnostics at Free against Transformer Calculator Plus's $2.99. Drive Diagnostics also leads on update cadence (every 6 months vs every 45 months). On ads, in-app purchases, device support and iOS requirement 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

Drive Diagnostics is free to download; Transformer Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Transformer Calculator Plus ships an update every 45 months, Drive Diagnostics every 6 months. Both last shipped on October 14, 2026.

Scorecard2 real differences · 8 level
Transformer Calculator Plus versus Drive Diagnostics: the parameters behind the verdict, then further details
ParameterTransformer Calculator PlusDrive Diagnostics
Price$2.99Free — better
Rating3.3 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 45 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size1 MB9 MB
Age rating4+4+
DeveloperNitrioBonfiglioli SPA

In-app purchases

None

Transformer Calculator Plus

No in-app purchases

None

Drive Diagnostics

No in-app purchases

Questions

Is Transformer Calculator Plus free?
Transformer Calculator Plus costs $2.99, with no in-app purchases.
Is Drive Diagnostics free?
Drive Diagnostics is free to download, with no in-app purchases.
Do Transformer Calculator Plus or Drive Diagnostics have ads?
Neither Transformer Calculator Plus nor Drive Diagnostics shows ads.
Which is updated more often, Transformer Calculator Plus or Drive Diagnostics?
Transformer Calculator Plus ships an update every 45 months, and Drive Diagnostics every 6 months. Most recently, Transformer Calculator Plus was updated on October 14, 2026 and Drive Diagnostics on October 14, 2026.

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