Read A Res vs Resistor Calc+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Resistance reading
- Resistance conversion
- Color code input
- SMD value input
- Simple interface
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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.
Resistor Calc+
This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.
- Calculates resistance for 3-6 band resistors
- Visual band color selection
- Displays resistance and tolerance
- Aids electronics configuration
- User-friendly interface
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Resistor color code calculator helps determine the resistance value indicated by the colored band. You can use it for 3, 4, 5 and 6 band resistors. You can click the band in the color table to select a color for that band. The resistor visually shows your band color selection and displays the corresponding resistance value. It will help you configure your electronics. How to use the resistance color code calculator - Please select the number of band colors first. - Select the color of the band by clicking on the corresponding box in the color chart. - The corresponding resistance value and the tolerance of the resistance are displayed.
Screenshots
Verdict
The clearest difference is review sentiment: Resistor Calc+ at 67% against Read A Res's 0%. Resistor Calc+ also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). Read A Res's advantage is ratings volume (34 vs 5). On price, update cadence, ads 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. Read A Res sells 1 one-off in-app purchase. Resistor Calc+ asks for nothing beyond the download.
Resistor Calc+ holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Read A Res has 34 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Read A Res's written reviews are positive against 67% of Resistor Calc+'s.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.
| Parameter | Read A Res | Resistor Calc+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (34 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 34 — better | 5 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Enes Akkus | EONSOFT |
Customer experience
Read A Res
Resistor Calc+
In-app purchases
Read A Res
- Remove Ads$0.99
Resistor Calc+
No in-app purchases
Questions
Is Read A Res free?
Is Resistor Calc+ free?
Which has better reviews, Read A Res or Resistor Calc+?
Do Read A Res or Resistor Calc+ have ads?
Which is updated more often, Read A Res or Resistor Calc+?
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