Electronic Calculator vs Read Offline Web
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electronic Calculator
This app provides instant, accurate calculations for electronics students and engineers. It includes tools for Ohm's Law, resistor color codes, voltage dividers, and unit conversions. Designed for ease of use and offline functionality, it offers a professional-grade experience without ads.
- Ohm's Law Calculator
- Resistor Color Code Decoder
- Voltage Divider Calculator
- Smart Unit Converter
- Offline Functionality
- Ad-Free Experience
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Amperio is the essential electronics toolkit every student and engineer needs! Whether you're studying electrical engineering or working on circuit projects, Amperio provides instant, accurate calculations for your everyday electronics needs. KEY FEATURES: Ohm's Law Calculator Calculate voltage, current, resistance, and power with Amperio's intuitive interface. Input any two values and instantly get your results - perfect for circuit analysis and component selection. Resistor Color Code Decoder Never struggle with resistor values again! Amperio's visual color band selector works with 4-band and 5-band resistors. Simply tap the colors and get instant resistance values with tolerance. Voltage Divider Calculator Design and analyze voltage divider circuits instantly! Input any three values (Vin, Vout, R1, R2) and Amperio calculates the missing value - essential for signal conditioning and biasing circuits. Smart Unit Converter Convert between voltage (mV, V, kV), current (μA, mA, A), resistance (Ω, kΩ, MΩ), frequency (Hz, kHz, MHz, GHz), and power units seamlessly. WHY CHOOSE AMPERIO: - Lightning Fast - Instant calculations, no loading screens - Student Friendly - Perfect for homework and lab work - Professional Grade - Accurate formulas engineers trust - Clean Interface - No clutter, just results - Works Offline - Calculate anywhere, anytime - No Ads Ever - Premium experience with lifetime access PERFECT FOR: Electronics engineering students Electrical engineers and technicians Circuit design and analysis Component selection and verification Homework and exam preparation Lab work and projects Electronics hobbyists and makers Amperio transforms complex electronics calculations into simple, instant results. Get the complete professional toolkit for just $3.99 - less than a coffee, but lasts forever! Download Amperio today and experience the fastest way to solve circuit problems on your iPhone. PREMIUM FEATURES INCLUDED: 4 Essential calculators (Ohm's Law, Voltage Divider, Resistor Decoder, Unit Converter) No advertisements ever Offline functionality Lifetime access - pay once, use forever Professional-grade accuracy Coming in Future Updates: Advanced circuit calculators and filter design Calculation history with favorites Photo resistor value recognition Dark mode interface Export and share results One purchase. Four essential tools. Unlimited calculations. Amperio - the smart investment for serious electronics work. --- Learn more: https://amperio.paulcontre.com Terms of Use: https://amperio.paulcontre.com/terms Need help?: help@paulcontre.com EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://amperio.paulcontre.com/privacy
Read Offline Web
Save web pages to read later, even without an internet connection. Preserve articles, recipes, and research with their full structure, including text, links, and headings. Organize saved content by site and search it easily.
- Save entire web pages for offline reading
- Preserves full web page structure
- Supports dynamic websites
- Optional image saving
- Full-text search of saved pages
- Auto-organized by site
- Available in 39 languages
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Read Offline Web saves web pages so you can read them anytime — even without an internet connection. That article you bookmarked "for later"? Now you can actually read it, even underground or on a plane. It saves web pages with their full structure — not just screenshots — so text stays easy to read, and links and headings are preserved. Perfect for these moments ・Reading interesting articles on your commute or while traveling ・Saving recipes to view offline in the kitchen ・Keeping research and study materials always at hand ・Enjoying reading on flights or in areas with no signal ・Preserving important information before a web page disappears Main Features ・Save entire web pages and browse offline ・Supports dynamic websites ・Image saving is optional (OFF by default to save space) ・Full-text search saved pages by title or URL ・Auto-organized into folders by site ・Sort by date saved, title, or domain ・Available in 39 languages Privacy You Can Trust Saved data is stored only on your device and is never sent externally. No account needed. ・No ads ・Free to start — save up to 20 pages, or unlock unlimited with a one-time Pro purchase (no subscription) Note On sites that require login, pages after logging in may not be saved correctly. Content shown only after login may not be saved due to authentication or session restrictions.
Screenshots
Verdict
The clearest difference is in-app purchases: Electronic Calculator at none against Read Offline Web's 1. Read Offline Web's advantage is iOS requirement (15.0 vs 17.6). On price, ads, monetization model 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. Read Offline Web sells 1 one-off in-app purchase. Electronic Calculator asks for nothing beyond the download.
| Parameter | Electronic Calculator | Read Offline Web |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Contreras | Seiya.k |
Customer experience
Electronic Calculator
Read Offline Web
In-app purchases
Electronic Calculator
No in-app purchases
Read Offline Web
- Save Web Page Pro$3.99
Questions
Is Electronic Calculator free?
Is Read Offline Web free?
Do Electronic Calculator or Read Offline Web have ads?
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