Comparison

Read A Res vs Resistor

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

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.

Highlights
  • 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
Features
Read full description

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!

Screenshots

Read A Res4 screens
Resistor4 screens

Verdict

The call

The clearest difference is in-app purchases: Resistor at none against Read A Res's 1. Resistor also leads on ads (none vs shown) and rating (4.9 vs 4.4). Read A Res's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (15.6 vs 26.0). On price, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Resistor holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 34 and 19 respectively.

UpkeepUpdate frequency

Read A Res ships an update every 2 months, Resistor every 9 months. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Read A Res versus Resistor: the parameters behind the verdict, then further details
ParameterRead A ResResistor
PriceFreeFree
Rating4.4 (34 ratings)4.9 (19 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings34 — better19
Update frequencyEvery 2 months — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.0
Further details — not scored
Size18 MB8 MB
Age rating4+4+
DeveloperEnes AkkusGerhard Lentschik

Customer experience

Read A Res

All ratings30 ratings
Positive83.3%
Neutral10.0%
Negative6.7%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Resistor

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Read A Res

One-time1
  • Remove Ads$0.99
None

Resistor

No in-app purchases

Questions

Is Read A Res free?
Read A Res is free to download, with in-app purchases available.
Is Resistor free?
Resistor is free to download, with no in-app purchases.
Which has better reviews, Read A Res or Resistor?
Resistor is rated higher. Read A Res averages 4.4 out of 5 from 34 ratings, while Resistor averages 4.9 from 19 ratings.
Do Read A Res or Resistor have ads?
Read A Res shows ads; Resistor does not.
Which is updated more often, Read A Res or Resistor?
Read A Res ships an update every 2 months, and Resistor every 9 months. Most recently, Read A Res was updated on October 24, 2026 and Resistor on October 24, 2026.

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