Comparison

Resistor Calc+ vs Bluetooth DMM

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

Head to head
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.

About

Bluetooth DMM

Connect to a Bluetooth multimeter to streamline measurements, record and visualize data, and share insights. This app also offers a platform for industry communication and basic knowledge sharing.

Highlights
  • Bluetooth multimeter connection
  • Data recording and graphing
  • Data sharing and export
  • Threshold alarms
  • Connect up to four multimeters
  • Smart calculation functions
  • Remote assistance and monitoring
Features
Read full description

Bluetooth DMM APP可与蓝牙万用表连接,是一款结合万用表功能的社交类APP,为客户提供更有效益的万用表测量; 行业交流平台;基础知识普及 等服务。 「让测量变得更有效益」 -蓝牙连接:手机即可直接操控万用表 -测量数据更多应用:数据记录、数据图形化、数据分享、数据储存与导出、阈值报警 -多表协同:APP可连接四台蓝牙万用表,同时进行实时监测四台万用表的测量数据 -智能计算功能:运用万用表数据,快速计算功率等数学公式 -远程协助:实时远程屏幕同步,轻松零距离沟通,超远距离实时监测

Screenshots

Resistor Calc+4 screens
Bluetooth DMM3 screens

Verdict

The call

The clearest difference is review sentiment: Resistor Calc+ at 67% against Bluetooth DMM's 0%. Resistor Calc+ also leads on rating (5.0 vs 2.5). Bluetooth DMM's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Resistor Calc+ holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 67% of Resistor Calc+'s written reviews are positive against 0% of Bluetooth DMM's.

UpkeepUpdate frequency

Resistor Calc+ ships an update every 2 months, Bluetooth DMM every 2 weeks. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 4 level
Resistor Calc+ versus Bluetooth DMM: the parameters behind the verdict, then further details
ParameterResistor Calc+Bluetooth DMM
PriceFreeFree
Rating5.0 (5 ratings) — better2.5 (4 ratings)
Positive reviews66.7% of reviews — better0.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size6 MB44 MB
Age rating4+12+
DeveloperEONSOFT德 李

Customer experience

Resistor Calc+

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

Bluetooth DMM

All ratings4 ratings
Positive25.0%
Neutral25.0%
Negative50.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

In-app purchases

None

Resistor Calc+

No in-app purchases

None

Bluetooth DMM

No in-app purchases

Questions

Is Resistor Calc+ free?
Resistor Calc+ is free to download, with no in-app purchases.
Is Bluetooth DMM free?
Bluetooth DMM is free to download, with no in-app purchases.
Which has better reviews, Resistor Calc+ or Bluetooth DMM?
Resistor Calc+ is rated higher. Resistor Calc+ averages 5.0 out of 5 from 5 ratings, while Bluetooth DMM averages 2.5 from 4 ratings.
Do Resistor Calc+ or Bluetooth DMM have ads?
Resistor Calc+ shows ads; Bluetooth DMM does not.
Which is updated more often, Resistor Calc+ or Bluetooth DMM?
Resistor Calc+ ships an update every 2 months, and Bluetooth DMM every 2 weeks. Most recently, Resistor Calc+ was updated on October 29, 2026 and Bluetooth DMM on October 12, 2026.

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