Comparison

Stepper Motor Calculator vs QR Code Generator & Maker

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

Head to head
About

Stepper Motor Calculator

Features
Read full description

The Stepper Motor Calculator is designed to calculate the maximum speed of a stepper motor, as well as the minimum time per step and the maximum power dissipation. A stepper motor, also known as a step motor or stepping motor, is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any position sensor for feedback (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed. Stepper motors are often computer-controlled and can be categorized under motion-control positioning. In this application, the stepper motor is part of an open-loop system for holding or positioning objects. The stepper motor is a popular type of synchronous motor because it allows for precise movements or "steps." This type of motor also produces a lot of torque given its size and is mostly used in industrial applications. Because they allow very small movements, stepper motors are also found in the field of lasers and optics, where precision positioning is often required. These motors are often part of linear actuators, goniometers, and rotation stages. Similarly, stepper motors are used in fluid control systems, particularly in positioning valve pilot stages. They can also be found in packaging machinery. Stepper motors are mostly used in 3D printers and CNC machines as actuators. They are also used in disk drives, printers, slot machines, camera lenses, and image scanners. To compute the maximum revolutions per second, divide seconds per step by steps per revolution. Rev/sec = V/(L*2*Imax)/(steps/rev) Pmax = 2*Imax*V Where: V = Voltage - Volts (V) L = Inductance - milliHenry (mH) Imax = Current - Amps (A) Pmax = Max Power - Watts Thanks for your support, and do visit nitrio.com for more apps for your iOS devices.

About

QR Code Generator & Maker

Easily create custom QR codes with your own logo, transparent backgrounds, and personalized colors. This straightforward tool offers simple functionality for generating unique codes.

Highlights
  • Create custom QR codes
  • Add your own logo
  • Transparent background option
  • Customizable colors
  • Simple and straightforward interface
Features
Read full description

This simple QR Code Generator let's you create your own QR Codes. Simple and with options for adding your own Logo, transparent background and custom colors.

Screenshots

Stepper Motor Calculator4 screens
QR Code Generator & Maker3 screens

Verdict

The call

The clearest difference is price: QR Code Generator & Maker at Free against Stepper Motor Calculator's $2.99. QR Code Generator & Maker also leads on update cadence (every 4 days vs every 32 months). Stepper Motor Calculator's advantage is device support (3 vs 1) and iOS requirement (13 vs 17.0). On ads and in-app purchases 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

QR Code Generator & Maker is free to download; Stepper Motor Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stepper Motor Calculator ships an update every 32 months, QR Code Generator & Maker every 4 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 5 level
Stepper Motor Calculator versus QR Code Generator & Maker: the parameters behind the verdict, then further details
ParameterStepper Motor CalculatorQR Code Generator & Maker
Price$2.99Free — better
Rating—4.8 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 32 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13 — better17.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperNitrioMarvin Krueger

In-app purchases

None

Stepper Motor Calculator

No in-app purchases

None

QR Code Generator & Maker

No in-app purchases

Questions

Is Stepper Motor Calculator free?
Stepper Motor Calculator costs $2.99, with no in-app purchases.
Is QR Code Generator & Maker free?
QR Code Generator & Maker is free to download, with no in-app purchases.
Do Stepper Motor Calculator or QR Code Generator & Maker have ads?
Neither Stepper Motor Calculator nor QR Code Generator & Maker shows ads.
Which is updated more often, Stepper Motor Calculator or QR Code Generator & Maker?
Stepper Motor Calculator ships an update every 32 months, and QR Code Generator & Maker every 4 days. Most recently, Stepper Motor Calculator was updated on September 29, 2026 and QR Code Generator & Maker on October 12, 2026.

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