Electronics Kit vs Smart Interphone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electronics Kit
This app offers a comprehensive suite of electronics tools and calculators for hobbyists and professionals. It includes features for component value calculation, pinout diagrams, and various electronic resources. Users can access a free version with ads or a PRO version for enhanced functionality and an ad-free experience.
- Component value calculators
- Extensive pinout diagrams
- Electronic resource library
- SMD resistor code lookup
- Ohm's law calculator
- RC charging/discharging calculator
- Frequency converter
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This app is a powerful collection of electronics tools. It is suitable for hobbyist, electronic engineers or professionals The FREE version may contain ads. You can also buy the PRO version to support the developer, unlock more features and get rid of the ads. Component value function is a tool for find combination of components to making desired corner frequency, equivalent resistance, equivalent capacitance, equivalent inductance, etc. It is useful for designers have different choices of limited components Features ● Calculators : Component value range, SMD resistor code, Resistor in series and parallel, Capacitor in series and parallel, Inductor in series and parallel, Impedance calculator, Ratio calculator, Voltage divider, Ohm's law, RC charging / discharging, LED resistor calculator, RC, RL, LC filter, Wheatstone bridge, Operational amplifier, Adjustable voltage regulator, 555 timer calculator, Power dissipation calculator, Coil inductance, Battery life calculator, Trace width calculator, Frequency converter, RMS converter, Decibel converter, Range converter, Temperature calculator, matrix, complex matrix, simultaneous equations, Routh-Hurwitz, link budget, dipole antenna ● Pinout : audio DIN , DVI, Ethernet, Firewire, Game port, HDMI , Lightning port, Mini-Display port, PS/2 connector, Parallel port, Phone jack connector, RCA connector, Registered jack, S-video, SDCard , Serial port, SIM card, USB, VGA , XLR connector ● Resource : Circuit symbol, SMD resistor package, SMD capacitor package, TTL 7400 series, CMOS 4000 series, SMD marking, ASCII table, logic gate , Resistivity table, Batteries, Ampacity, AWG wire, SWG wire, World plug ● Share CSV via AirDrop ● Share CSV to iCloud Drive
Smart Interphone
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Smart Interphone App is the innovative software for viewing the video of plug n play IP Cameras on iPhone. It is simply enough to just key in the ID/password of the IP camera to see the video from your mobile devices anywhere, anytime. Besides the live video viewing, on-screen pan/tilt control are also supported. The latest features: 1. Time Lapse video playback 2. SD Card/NAS/Dropbox playback remotely 3. Event log 4. Share video to other App 5. Temperature monitoring 6. Hardware video decode for better performance 7. improved video finger zooming 8. Push notification
Screenshots
Verdict
The clearest difference is in-app purchases: Smart Interphone at none against Electronics Kit's 5. Electronics Kit's advantage is update cadence (every 6 weeks vs every 9 months). On price, 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
Both are free to download. Electronics Kit sells 5 one-off in-app purchases. Smart Interphone asks for nothing beyond the download.
Electronics Kit ships an update every 6 weeks, Smart Interphone every 9 months. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.
| Parameter | Electronics Kit | Smart Interphone |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (65 ratings) — better | — |
| Positive reviews | 91.4% of reviews | — |
| Number of ratings | 65 — better | — |
| Update frequency | Every 6 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 53 MB | 145 MB |
| Age rating | 4+ | 4+ |
| Developer | Siu Yuen Ho | Tzu-Lung Chang |
In-app purchases
Electronics Kit
- Unlock no. of components limit$0.99
- Unlock Pro feature$1.99
- 'Show steps' in nodal analysis$2.99
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- Unlock controlled sources$2.99
- 'Show steps' in equivalent cir$3.99
Smart Interphone
No in-app purchases
Questions
Is Electronics Kit free?
Is Smart Interphone free?
Do Electronics Kit or Smart Interphone have ads?
Which is updated more often, Electronics Kit or Smart Interphone?
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