Comparison

Operational Amplifiers Guide vs DIS Enum

Price, ratings, monetisation and update history for both apps, side by side — 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 — making it a handy guide for both design and selection. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! Key Features: • Interactive calculators for common op-amp circuits • Step-by-step explanations and formulas • Reference info on op-amps and comparators • Ideal for learning, prototyping, or quick checks • Light and dark mode support The application contains the following guides and calculators: Amplifiers • Non-inverting operational amplifier • Inverting operational amplifier • Inverting amplifier with T-bridge in OS • Differential amplifier • Differential amplifier with T-bridge in OS • Voltage repeater • Inverting voltage repeater • AC voltage amplifier • High Input Impedance AC Voltage Amplifier • AC voltage repeater ActiveFilters • Non-inverting low-pass filter • Inverting low-pass filter • Non-inverting high-pass filter • Inverting high pass filter • Bandpass filter • Gyrator Integrators and differentiators • Voltage integrator • Sum integrator • Integrator with signal amplification • Difference integrator • Double integrator • Voltage differentiator • Sum Differentiator • Differentiator with T-bridge • Differentiator with T-bridge made of capacitors • Difference differentiator Comparators • Comparator • Limiter • Limiter with zener diode at the input • RS trigger Attenuators • Non-inverting attenuator • Inverting attenuator Converters • Voltage-to-current converter with non-inverting input • Voltage to current converter with inverting input • Voltage to current converter with differential input Adders and substactors • Inverting adder • Addition-subtraction circuit • Non-inverting adder Logarithmic and exponential amplifiers • Diode-based logarithmic amplifier • Transistor-based logarithmic amplifier • Diode exponential amplifier • Exponential transistor amplifier Sine Wave generators: • Op-Amp Oscillators • Oscillator with Diode in the Feedback Path • Twin-T Network Signal Generator Square-wave pulse generators • Op-Amp Square-Wave Generator • Adjustable Square-Wave Generator • Enhanced Square-Wave Generator • Duty-Cycle Adjustment Triangle-wave signal generators • Nonlinear Triangle-Wave Generator • Variable-Symmetry Sawtooth Generator • Linear Triangle-Wave Generator • Adjustable Linear Triangle-Wave Generator • Variable-Symmetry Ramp Generator Popular operational amplifiers: description and pinout Popular comparators: description and pinout Download now and power up your electronics work!

About

DIS Enum

Access comprehensive military simulation protocol data, including detailed platform and munition specifications. This app provides instant lookups for defense simulation professionals, working offline and featuring intelligent search capabilities.

Highlights
  • Complete enumeration database
  • Platform & munition specifications
  • Cross-referenced data
  • Intelligent search
  • Offline functionality
  • Clean, professional interface
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DE Dictionary puts the complete DIS enumeration specification on your phone—now with detailed platform and munition data. Stop searching through PDFs and spreadsheets. Get instant access to military simulation protocol data when you're in the field, in the lab, or anywhere you need it. - Complete Enumeration Database - Browse the full DIS enumeration hierarchy. Every entity kind, domain, country, and category is structured and searchable. - Platform & Munition Specifications - Go beyond enumerations. Platform entries include dimensions, mass, performance specs, powerplant data, crew capacity, cargo capabilities, and full armament breakdowns. Munition entries show physical characteristics, ballistic performance, engagement envelopes, and terminal effects. - Cross-Referenced Data - See which munitions are compatible with a platform. See which platforms employ a munition. Tap to navigate between related entities instantly. - Intelligent Search - Find what you need fast. Search by name, enumeration value, or keyword. Filter results to narrow down large datasets. - Works Offline - No network required. The complete database lives on your device, ready when you need it. - Clean Interface - Designed for professional use. Information-dense without clutter. Adapts to larger screens with a two-column layout on tablets. Built for defense simulation professionals who need fast, accurate enumeration lookups and specification data. Systems engineers, DBAs, developers, analysts, and technicians working with DIS protocols; DE Dictionary turns documentation hunting into instant lookup. Accurate data from SISO DIS standards. Always at your fingertips. DATA ATTRIBUTION DIS enumeration data reproduced with permission from the Simulation Interoperability Standards Organization (SISO).

Screenshots

Operational Amplifiers Guide4 screens
DIS Enum4 screens

Verdict

The call

The clearest difference is ads: DIS Enum at none against Operational Amplifiers Guide's shown. Operational Amplifiers Guide's advantage is iOS requirement (16.0 vs 18.6). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Operational Amplifiers Guide ships an update every 2 months, DIS Enum every 3 months. The most recent releases landed on September 19, 2026 and June 8, 2026 respectively.

Scorecard2 real differences · 8 level
Operational Amplifiers Guide versus DIS Enum: the parameters behind the verdict, then further details
ParameterOperational Amplifiers GuideDIS Enum
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.6
Further details — not scored
Size17 MB71 MB
Age rating4+4+
DeveloperALG Software LabPeripheral Pursuit Labs

In-app purchases

None

Operational Amplifiers Guide

No in-app purchases

None

DIS Enum

No in-app purchases

Questions

Is Operational Amplifiers Guide free?
Operational Amplifiers Guide is free to download, with no in-app purchases.
Is DIS Enum free?
DIS Enum is free to download, with no in-app purchases.
Do Operational Amplifiers Guide or DIS Enum have ads?
Operational Amplifiers Guide shows ads; DIS Enum does not.
Which is updated more often, Operational Amplifiers Guide or DIS Enum?
Operational Amplifiers Guide ships an update every 2 months, and DIS Enum every 3 months. Most recently, Operational Amplifiers Guide was updated on September 19, 2026 and DIS Enum on June 8, 2026.

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