Comparison

Operational Amplifiers Guide vs Tilewise

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

Head to head
About

Operational Amplifiers Guide

Features
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Operational Amplifiers Guide is your essential tool for designing and analyzing circuits using op-amps and comparators. Whether you're a student, electronics enthusiast, or experienced engineer, this app helps you create, calculate, and understand a wide variety of op-amp–based circuits with ease. Use it as a practical reference when developing projects, building prototypes, or studying amplifier configurations. The app also includes technical data on popular operational amplifier and comparator series β€” making it a handy guide for both design and selection. Available in 14 Languages: β€’ English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese β€” study in your native language! Key Features: β€’ Interactive calculators for common op-amp circuits β€’ Step-by-step explanations and formulas β€’ Reference info on op-amps and comparators β€’ Ideal for learning, prototyping, or quick checks β€’ Light and dark mode support The application contains the following guides and calculators: Amplifiers β€’ Non-inverting operational amplifier β€’ Inverting operational amplifier β€’ Inverting amplifier with T-bridge in OS β€’ Differential amplifier β€’ Differential amplifier with T-bridge in OS β€’ Voltage repeater β€’ Inverting voltage repeater β€’ AC voltage amplifier β€’ High Input Impedance AC Voltage Amplifier β€’ AC voltage repeater ActiveFilters β€’ Non-inverting low-pass filter β€’ Inverting low-pass filter β€’ Non-inverting high-pass filter β€’ Inverting high pass filter β€’ Bandpass filter β€’ Gyrator Integrators and differentiators β€’ Voltage integrator β€’ Sum integrator β€’ Integrator with signal amplification β€’ Difference integrator β€’ Double integrator β€’ Voltage differentiator β€’ Sum Differentiator β€’ Differentiator with T-bridge β€’ Differentiator with T-bridge made of capacitors β€’ Difference differentiator Comparators β€’ Comparator β€’ Limiter β€’ Limiter with zener diode at the input β€’ RS trigger Attenuators β€’ Non-inverting attenuator β€’ Inverting attenuator Converters β€’ Voltage-to-current converter with non-inverting input β€’ Voltage to current converter with inverting input β€’ Voltage to current converter with differential input Adders and substactors β€’ Inverting adder β€’ Addition-subtraction circuit β€’ Non-inverting adder Logarithmic and exponential amplifiers β€’ Diode-based logarithmic amplifier β€’ Transistor-based logarithmic amplifier β€’ Diode exponential amplifier β€’ Exponential transistor amplifier Sine Wave generators: β€’ Op-Amp Oscillators β€’ Oscillator with Diode in the Feedback Path β€’ Twin-T Network Signal Generator Square-wave pulse generators β€’ Op-Amp Square-Wave Generator β€’ Adjustable Square-Wave Generator β€’ Enhanced Square-Wave Generator β€’ Duty-Cycle Adjustment Triangle-wave signal generators β€’ Nonlinear Triangle-Wave Generator β€’ Variable-Symmetry Sawtooth Generator β€’ Linear Triangle-Wave Generator β€’ Adjustable Linear Triangle-Wave Generator β€’ Variable-Symmetry Ramp Generator Popular operational amplifiers: description and pinout Popular comparators: description and pinout Download now and power up your electronics work!

About

Tilewise

Features
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Learning to draw should be a rewarding, creative escapeβ€”not a frustrating math problem. Many aspiring artists quit early because getting real-world proportions right is incredibly difficult. When trying to copy a reference photo by eye, your brain tricks you into sketching what you *think* an object looks like, leading to skewed angles, misaligned features, and expensive sketchbook paper ruined out of frustration. Manually measuring grids with a physical ruler and calculator takes forever and feels like a chore. Meet Tilewise: Your digital art studio companion designed to bridge the gap between a digital photo and a physical drawing. Built 100% natively for iOS, Tilewise digitizes and automates the traditional "grid method"β€”a centuries-old technique used by master artists to deconstruct complex references into manageable, bite-sized shapes. Tilewise calculates mathematically flawless square tiles across any photo, allowing you to bypass the overwhelming details and focus entirely on drawing one single tile at a time. HOW IT WORKS IN 3 SIMPLE STEPS: 1. DROP YOUR PHOTO: Import any reference image from your camera roll. Tilewise automatically analyzes the aspect ratio to enforce perfect square boundaries. 2. CUSTOMIZE YOUR FOCUS: Toggle alphanumeric coordinate labels, adjust line opacity, or double-tap to zoom tightly into a single high-detail tile to eliminate outside distractions. 3. DRAW WITH TOTAL CONFIDENCE: Replicate the shapes tile-by-tile onto your canvas. POWERFUL TOOLS TO TRAIN YOUR ARTIST'S EYE: β€’ Subdivision Edge Ticks: Subtle marks divide the inner walls of every tile into halves and quarters, helping you precisely locate where lines enter and exit a box. β€’ Cognitive Bias Mirroring: Instantly flip your reference image and tile grid horizontally. Looking at an image flipped forces your brain to stop recognizing objects (like "an eye") and start seeing them as raw lines, curves, and abstract shapes. β€’ Analytical Visual Filters: Strip away color distractions using Grayscale or by inverting the image. β€’ Print-Ready Studio Exporter: Generate high-resolution PDF or SVG reference templates complete with a calibrated grayscale value strip and an angle alignment fan printed right on the page margins. Whether you are a complete novice sketching with a graphite pencil on paper, or a digital creator perfecting your perspective on a tablet, Tilewise eliminates the guesswork so you can look at your finished artwork and say, "Wow, I actually drew that!" Start your next masterpiece today. Download Tilewise and unlock your true drawing potential.

Screenshots

Operational Amplifiers Guide4 screens
Tilewise4 screens

Verdict

The call

The clearest difference is ads: Tilewise at none against Operational Amplifiers Guide's shown. Operational Amplifiers Guide's advantage is iOS requirement (16.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences Β· 4 level
Operational Amplifiers Guide versus Tilewise: the parameters behind the verdict, then further details
ParameterOperational Amplifiers GuideTilewise
PriceFreeFree
Update frequencyEvery 2 monthsβ€”
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 β€” better18.0
Further details β€” not scored
Size17 MB31 MB
Age rating4+4+
DeveloperALG Software LabOliver Hofer

In-app purchases

None

Operational Amplifiers Guide

No in-app purchases

None

Tilewise

No in-app purchases

Questions

Is Operational Amplifiers Guide free?
Operational Amplifiers Guide is free to download, with no in-app purchases.
Is Tilewise free?
Tilewise is free to download, with no in-app purchases.
Do Operational Amplifiers Guide or Tilewise have ads?
Operational Amplifiers Guide shows ads; Tilewise does not.

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