Comparison

Read A Res vs Resistor Decoder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Read A Res

Easily read and convert electronic component resistances. Input color codes or SMD values, and the application handles the rest. Offers a straightforward interface for quick calculations.

Highlights
  • Resistance reading
  • Resistance conversion
  • Color code input
  • SMD value input
  • Simple interface
Read full description

Here it is, the simplest way to read any resistance. With this simple interface, you can do resistance reading and converting at the same time. Just set color codes or enter smd value and ... nothing. That's simple. The app does everything else for you. - If you need anything else, we're here to help you. Don't be shy to contact ​us.

About

Resistor Decoder

Features
Read full description

Are you an electronics hobbyist, student, or electrical engineer? Resistor Decoder is your ultimate companion to quickly and accurately calculate and identify resistor values on the go. Whether you are working with surface-mount devices (SMD) on a modern PCB or classic through-hole color-banded resistors, this app provides instant results without any hassle. Key Features: SMD Resistor Decoder 3-Digit & 4-Digit Codes: Decode standard SMD resistor markings instantly. EIA-96 System: High-precision 1% resistor code decoding using the standard multiplier lookups. Letter-Notation Codes: Easily read codes with letter values (e.g., R, K, M as decimal points). Color Band Resistor Calculator Multi-Band Support: Supports 4-band, 5-band, and 6-band color configurations. Comprehensive Details: Identifies not just the resistance value, but also the exact Tolerance and Temperature Coefficient (ppm/K). Interactive UI: Tap and select colors visually to instantly watch the value update. Built for Productivity Clean & Intuitive Interface: No complicated menus, get your answers in just a few taps. Completely Offline: Use it in the lab, workshop, or classroom without needing an internet connection. Lightweight & Fast: Optimized to run smoothly on any mobile device. Stop guessing resistor values or manually scrolling through confusing color charts. Download Resistor Decoder today and make your electronics projects easier and faster!

Screenshots

Read A Res4 screens
Resistor Decoder4 screens

Verdict

The call

The clearest difference is in-app purchases: Resistor Decoder at none against Read A Res's 1. Resistor Decoder also leads on ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Read A Res sells 1 one-off in-app purchase. Resistor Decoder asks for nothing beyond the download.

UpkeepUpdate frequency

Read A Res ships an update every 2 months, Resistor Decoder every 9 days. The most recent releases landed on June 4, 2026 and September 11, 2026 respectively.

Scorecard3 real differences · 7 level
Read A Res versus Resistor Decoder: the parameters behind the verdict, then further details
ParameterRead A ResResistor Decoder
PriceFreeFree
Rating4.4 (33 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings33 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size18 MB72 MB
Age rating4+4+
DeveloperEnes AkkusESDEV Teknoloji

In-app purchases

1 purchases

Read A Res

One-time1
  • Remove Ads$0.99
None

Resistor Decoder

No in-app purchases

Questions

Is Read A Res free?
Read A Res is free to download, with in-app purchases available.
Is Resistor Decoder free?
Resistor Decoder is free to download, with no in-app purchases.
Do Read A Res or Resistor Decoder have ads?
Read A Res shows ads; Resistor Decoder does not.
Which is updated more often, Read A Res or Resistor Decoder?
Read A Res ships an update every 2 months, and Resistor Decoder every 9 days. Most recently, Read A Res was updated on June 4, 2026 and Resistor Decoder on September 11, 2026.

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