Resistor vs TechKIT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor
Quickly calculate resistor values from color bands or SMD codes, and vice versa. This tool is ideal for electronics enthusiasts, students, and DIYers working with 4, 5, or 6-band resistors and various SMD codes. It functions offline and requires no registration.
- Calculate resistor values from color bands
- Convert resistor values to color bands
- Supports 4, 5, and 6-band resistors
- Handles SMD codes (EIA-3, EIA-4, EIA-96)
- Works offline
- No registration required
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Resistor Converter – Fast & Easy Calculate resistor values, color bands, and SMD codes in seconds – perfect for electronics hobbyists, students, and professionals. Supports 4-, 5-, and 6-band resistors as well as SMD codes (EIA-3, EIA-4, EIA-96). - Tap color bands → read the value - Enter resistor → get matching color bands & SMD codes - Works offline, no registration required - Perfect for electronics, study & DIY projects Simple, fast, and free – the perfect companion for every electronics enthusiast!
TechKIT
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TechKIT is a powerful all-in-one toolkit for electricians, technicians, and engineers. Designed for real-world use — fast, accurate, and easy to use on-site. Electrical Tools: - Ohm’s Law Calculator - Voltage, Current & Power calculations - Wire Gauge Calculator (AC/DC, single & three phase) - Parallel & Series Resistor Calculator - Resistor Color Code Calculator - SMD Code Decoder Mechanical & Industrial Tools: - Bearing Calculator (search by size or code) - Ball bearing specifications & sealing types - Engineering Unit Converter Smart Utility Tools: - Level Tool (standard & high precision) - Sound Meter (with calibration) - Noise Generator (tone, white, pink, brown) - Vibration Monitor Error Code Databases - Frequency Converters (multiple brands) - Home Appliance Error Codes - Built-in translation & sharing Why TechKIT? - Fast and easy to use - Works offline - Built for professionals - Clean and practical design Whether you're troubleshooting, calculating, or working in the field — TechKIT gives you the tools you need.
Screenshots
Verdict
The clearest difference is ads: Resistor at none against TechKIT's shown. TechKIT's advantage is update cadence (every 6 days vs every 9 months) and iOS requirement (14.0 vs 26.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Resistor ships an update every 9 months, TechKIT every 6 days. The most recent releases landed on August 27, 2026 and September 15, 2026 respectively.
| Parameter | Resistor | TechKIT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (17 ratings) — better | — |
| Number of ratings | 17 — better | — |
| Update frequency | Every 9 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 72 MB |
| Age rating | 4+ | 12+ |
| Developer | Gerhard Lentschik | Sergio Kirienko |
In-app purchases
Resistor
No in-app purchases
TechKIT
No in-app purchases
Questions
Is Resistor free?
Is TechKIT free?
Do Resistor or TechKIT have ads?
Which is updated more often, Resistor or TechKIT?
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