Electronic Component Pinouts vs Opamp tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electronic Component Pinouts
Access an extensive offline database of over 80,000 electronic component pinouts, including chips, transistors, and microcontrollers. Quickly find information and equivalents without needing an internet connection. Users can also request new pinouts to be added.
- Offline database
- 80,000+ pinouts
- Transistors, diodes, chips
- Microcontrollers & Arduino
- Fast search
- Component equivalents
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This application provides a offline database with more than 80000 electronic component pinouts. Chips, Transistors, Diodes, Triacs, Microprocessors and a lot more. If you don't have a chip pinout, please send a feedback and we can add to our database. This app have information on transistors, triacs, diodes, memory chips, microcontrollers, Arduino Boards, shields and more! Component Pinouts is fast and does not require internet access to search. More than 23000 distinct pinouts with a lot of equivalents.
Opamp tools
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This app is the collection of operational amplifier calculators. It is suitable for hobbyist or electronic engineer. Features * Inverting amplifier * Non-Inverting amplifier * Differential amplifier * Summing amplifier * Inverting comparator * First-order filter * Second-order filter (HPF) * Phase shift oscillator * Colpitts oscillator * Limit 5 combinations of component values * Share CSV via AirDrop * Upload CSV to iCloud Drive (For iOS8 or later) Pro Features * Instrumentation amplifier * Non-inverting comparator * Second-order filter (LPF) * Wien bridege oscillator * Hartley oscillator * No limitation of the number of suggestions * Selectable 1%,5%,10%,20% of values
Screenshots
Verdict
The clearest difference is price: Opamp tools at Free against Electronic Component Pinouts's $4.99. Electronic Component Pinouts's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 12 months). On ads, 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
Opamp tools is free to download; Electronic Component Pinouts costs $4.99 up front. Opamp tools sells 1 one-off in-app purchase. Electronic Component Pinouts asks for nothing beyond the download.
Electronic Component Pinouts ships an update every 3 weeks, Opamp tools every 12 months. Both last shipped on November 3, 2026.
| Parameter | Electronic Component Pinouts | Opamp tools |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.0 (7 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Adriano Moutinho | Siu Yuen Ho |
In-app purchases
Electronic Component Pinouts
No in-app purchases
Opamp tools
- Unlock pro feature$1.99
Questions
Is Electronic Component Pinouts free?
Is Opamp tools free?
Do Electronic Component Pinouts or Opamp tools have ads?
Which is updated more often, Electronic Component Pinouts or Opamp tools?
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