Timer 555 Calculator vs Electronic Component Codes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timer 555 Calculator
Calculate monostable and astable circuits for electronics projects. Determine pulse width and frequency, find component combinations, and save/upload data. Supports multiple languages.
- Monostable circuit pulse width calculation
- Astable circuit frequency calculation
- Component combination finder
- Save component values to CSV
- Upload CSV via AirDrop/iCloud Drive
- Multi-language support
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This app is used to calculate monostable and astable circuit. Features * Calculate pulse width of monostable circuit * Calculate frequency of astable circuit * Find out combination of components making a desire pulse width in monostable circuit * Find out combination of components making a desire frequency in astable circuit * Saving component values in CSV file * Upload generated CSV files via AirDrop or iCloud Drive * Support English, German, French, Italian, Spanish, Portuguese, Japanese, Korean, Russian
Electronic Component Codes
Quickly identify electronic component values using color codes and SMD markings. This utility supports resistors, capacitors, and inductors, offering detailed explanations and standard value charts.
- Resistor color code calculator
- SMD resistor code lookup
- Capacitor code identification
- Inductor color code guide
- E-series value charts
- Detailed help sections
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Electronic Component Codes is a handy tool for identifying resistance, capacitance, and inductance values from component markings. Supported Features: • Resistor color codes • SMD resistor codes • EIA-96 resistor codes • Ceramic capacitor codes • Film capacitor codes • Tantalum capacitor color codes • SMD tantalum capacitor codes • Inductor color codes • SMD inductor color codes The app also includes detailed help sections and explanations for all supported codes, along with standard E-series value charts. Languages Supported: English, French, German, Indonesian, Italian, Polish, Portuguese, Russian, Spanish, Turkish, and Ukrainian. Download now and simplify your electronics work!
Screenshots
Verdict
The clearest difference is review sentiment: Timer 555 Calculator at 100% against Electronic Component Codes's 0%. Timer 555 Calculator also leads on ads (none vs shown) and iOS requirement (13.2 vs 16.0). Electronic Component Codes's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 3 months). On price 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. Timer 555 Calculator sells 1 one-off in-app purchase. Electronic Component Codes asks for nothing beyond the download.
Timer 555 Calculator ships an update every 3 months, Electronic Component Codes every 6 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.
| Parameter | Timer 555 Calculator | Electronic Component Codes |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Siu Yuen Ho | ALG Software Lab |
Customer experience
Timer 555 Calculator
Electronic Component Codes
In-app purchases
Timer 555 Calculator
- Unlock Pro feature$0.99
Electronic Component Codes
No in-app purchases
Questions
Is Timer 555 Calculator free?
Is Electronic Component Codes free?
Do Timer 555 Calculator or Electronic Component Codes have ads?
Which is updated more often, Timer 555 Calculator or Electronic Component Codes?
Other comparisons
