Comparison

Vernier Caliper Micrometer vs Resistor Calc+

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

Head to head
About

Vernier Caliper Micrometer

This utility app transforms your iPhone or iPad into a precise measuring tool for short lengths. It supports both inch and centimeter units, features calibration, and offers a user-friendly interface.

Highlights
  • Measures short lengths
  • Supports inches and centimeters
  • Unit switching
  • Calibration feature
  • Easy to use interface
  • Attractive UI
Features
Read full description

This app turns your iPhone into a vernier caliper. Features: + Designed for measuring short length + Support both inch and centimeter + Unit switch + Calibration + Easy to use + Good-looking UI

About

Resistor Calc+

Easily determine resistance values from colored bands on resistors. Supports 3 to 6 band configurations with a visual representation of your selections. Ideal for electronics enthusiasts and hobbyists.

Highlights
  • 3, 4, 5, and 6 band resistor support
  • Visual band color selection
  • Displays resistance value and tolerance
  • Aids in electronics configuration
Features
Read full description

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

Vernier Caliper Micrometer3 screens
Resistor Calc+4 screens

Verdict

The call

The clearest difference is rating: Resistor Calc+ at 5.0 against Vernier Caliper Micrometer's 4.1. Resistor Calc+ also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 20 months). Vernier Caliper Micrometer's advantage is ads (none vs shown) and ratings volume (22 vs 5). On price 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. Vernier Caliper Micrometer sells 1 one-off in-app purchase. Resistor Calc+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Resistor Calc+ holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews point the same way: 50% of Vernier Caliper Micrometer's written reviews are positive against 67% of Resistor Calc+'s.

UpkeepUpdate frequency

Vernier Caliper Micrometer ships an update every 20 months, Resistor Calc+ every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard8 real differences · 2 level
Vernier Caliper Micrometer versus Resistor Calc+: the parameters behind the verdict, then further details
ParameterVernier Caliper MicrometerResistor Calc+
PriceFreeFree
Rating4.1 (22 ratings)5.0 (5 ratings) — better
Positive reviews50.0% of reviews66.7% of reviews — better
Number of ratings22 — better5
Update frequencyEvery 20 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size24 MB6 MB
Age rating4+4+
Developer齐 陈EONSOFT

Customer experience

Vernier Caliper Micrometer

All ratings22 ratings
Positive86.4%
Neutral0.0%
Negative13.6%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Resistor Calc+

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

Vernier Caliper Micrometer

One-time1
  • Remove Ads$0.99
None

Resistor Calc+

No in-app purchases

Questions

Is Vernier Caliper Micrometer free?
Vernier Caliper Micrometer is free to download, with in-app purchases available.
Is Resistor Calc+ free?
Resistor Calc+ is free to download, with no in-app purchases.
Which has better reviews, Vernier Caliper Micrometer or Resistor Calc+?
Resistor Calc+ is rated higher. Vernier Caliper Micrometer averages 4.1 out of 5 from 22 ratings, while Resistor Calc+ averages 5.0 from 5 ratings.
Do Vernier Caliper Micrometer or Resistor Calc+ have ads?
Resistor Calc+ shows ads; Vernier Caliper Micrometer does not.
Which is updated more often, Vernier Caliper Micrometer or Resistor Calc+?
Vernier Caliper Micrometer ships an update every 20 months, and Resistor Calc+ every 2 months. Most recently, Vernier Caliper Micrometer was updated on October 24, 2026 and Resistor Calc+ on October 29, 2026.

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