Comparison

Resistor color code calc vs Blynk IoT

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

Head to head
About

Resistor color code 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.

Highlights
  • Calculates resistance for 3-6 band resistors
  • Visual band color selection
  • Displays resistance and tolerance
  • Aids electronics configuration
  • User-friendly interface
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

Blynk IoT

Build custom IoT apps without coding using a drag-and-drop interface. Manage devices, users, and data remotely with a powerful web console and scalable cloud infrastructure. Supports over 400 hardware boards and various connection options.

Highlights
  • Drag-n-drop IoT app builder
  • Device and user management
  • OTA firmware updates
  • Secure cloud infrastructure
  • Hardware compatibility (400+ boards)
  • Real-time alerts and automations
Read full description

Trusted by over 1 million IoT developers worldwide, Blynk lets you build and customize beautiful, feature-rich apps without writing a single line of code. Blynk solves IoT complexity at every stage with easy workflows for end-user device activation, WiFi provisioning, seamless OTA firmware updates, enterprise-grade security, and much more! ⊲ Not Just an App... Blynk is an award-winning low-code IoT platform that supports IoT at any scale—from personal prototypes to millions of connected devices in production environments. 2024 Leader: IoT Platforms (G2) 2024 High Performer: IoT Management (G2) 2024 Momentum Leader: IoT Development Tools (G2) Designed, developed, tested, and continuously maintained, Blynk provides the building blocks of a fully integrated cloud IoT platform software solution—loved by customers and their end-users around the world! ⊲ Here’s What You Get When You Sign Up: Blynk.Apps: Drag-n-drop IoT app builder to build and brand feature-rich mobile apps in minutes and instantly manage devices, users, and data remotely. Blynk.Console: A powerful web portal to manage devices, users, and organizations, perform OTA firmware updates, and handle other important business functions. Blynk.Cloud: Cloud infrastructure needed to securely host, scale, and monitor your IoT solutions. Receive, store, and process data in real-time or at intervals. Connect to your other systems via APIs. Private server options are available. ⊲ Secure, Scalable Enterprise-Grade Infrastructure Processing over 180 billion hardware messages monthly, Blynk provides secure, end-to-end encryption between the cloud, apps, and devices with 24/7 incident monitoring, ensuring you don’t have to worry about security. ⊲ Robust Hardware Compatibility Supporting over 400 hardware development boards—including ESP32, Arduino, Raspberry Pi, Seeed, Particle, SparkFun, Blues, Adafruit, Texas Instruments, and more—Blynk makes it easy to connect your devices to the cloud using WiFi, Ethernet, Cellular (GSM, 2G, 3G, 4G, LTE), LoRaWAN, HTTPs, or MQTT. ⊲ Flexible Connection Options Blynk Library: Pre-configured C++ library for low-latency, bi-directional communication. Blynk.Edgent: Advanced features with less code for data exchange, WiFi provisioning, OTA firmware updates, and API access to apps and cloud. Blynk.NCP: High-quality network co-processor integration for dual MCU architecture. HTTP(s) API: Standard protocol to securely communicate and transfer data. MQTT API: Secure, versatile two-way communication for building MQTT dashboards or panels. ⊲ What an IoT Developer Can Do with Blynk: • Easy Device Activation • Device WiFi Provisioning • Sensor Data Visualization • Shared Access to Devices • Data Analytics • Remote Device Control • Asset Tracking • Firmware Over-the-Air (OTA) Updates • Multi-Device Management with a Single App • Real-Time Alerts: Send and receive push and email notifications. • Automations: Create scenarios for one or multiple devices based on various triggers. • Manage Multi-Level Organizations and Access to Devices • Voice Assistant Integration: Interact with devices using Amazon Alexa and Google Home. To use the Blynk IoT app, you must agree to our Terms of Use - https://blynk.io/tos

Screenshots

Resistor color code calc4 screens
Blynk IoT4 screens

Verdict

The call

The clearest difference is rating: Resistor color code calc at 5.0 against Blynk IoT's 4.5. Resistor color code calc also leads on in-app purchases (none vs 7) and review sentiment (67% vs 42%). Blynk IoT's advantage is ads (none vs shown) and ratings volume (819 vs 5). On price 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. Blynk IoT sells 7 in-app purchases, starting at $6.99 per month. Resistor color code calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Resistor color code calc holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Blynk IoT has 819 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Resistor color code calc's written reviews are positive against 42% of Blynk IoT's.

UpkeepUpdate frequency

Resistor color code calc ships an update every 3 months, Blynk IoT monthly. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

Scorecard9 real differences · 1 level
Resistor color code calc versus Blynk IoT: the parameters behind the verdict, then further details
ParameterResistor color code calcBlynk IoT
PriceFreeFree
Rating5.0 (5 ratings) — better4.5 (819 ratings)
Positive reviews66.7% of reviews — better42.2% of reviews
Number of ratings5819 — better
Update frequencyEvery 3 monthsMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better18.0
Further details — not scored
Size13 MB83 MB
Age rating4+4+
DeveloperEONSOFTBlynk Technologies

Customer experience

Resistor color code calc

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

Blynk IoT

All ratings819 ratings
Positive88.4%
Neutral3.2%
Negative8.4%
Written reviews173 reviews
Positive42.2%
Neutral5.8%
Negative52.0%

Bugs and requests

Resistor color code calc

Not enough reviews yet to summarise bugs or requests.

Blynk IoT

Reported bugs

4 issues
  • Connectivity issues with devices
  • Widgets not working as expected
  • Account deletion without warning
  • Incompatibility with older hardware

Requested features

5 requests
  • Dark mode option
  • Bluetooth support
  • Better documentation and tutorials
  • Restore legacy app functionality
  • Affordable pricing for hobbyists

In-app purchases

None

Resistor color code calc

No in-app purchases

7 purchases

Blynk IoT

Subscriptions7
  • Blynk MAKER - Monthly$6.991 Month
  • Blynk Starter - Monthly$29.001 Month
  • Blynk PRO (40 users) Monthly$48.991 Month
Show 4 more
  • Blynk MAKER - Yearly$59.991 Year
  • Blynk PRO (100 users) Monthly$98.991 Month
  • Blynk PRO (50 users) Monthly$99.001 Month
  • Blynk PRO (500 users) Monthly$299.991 Month

Questions

Is Resistor color code calc free?
Resistor color code calc is free to download, with no in-app purchases.
Is Blynk IoT free?
Blynk IoT is free to download, with in-app purchases available.
Which has better reviews, Resistor color code calc or Blynk IoT?
Resistor color code calc is rated higher. Resistor color code calc averages 5.0 out of 5 from 5 ratings, while Blynk IoT averages 4.5 from 819 ratings.
Do Resistor color code calc or Blynk IoT have ads?
Resistor color code calc shows ads; Blynk IoT does not.
Which is updated more often, Resistor color code calc or Blynk IoT?
Resistor color code calc ships an update every 3 months, and Blynk IoT monthly. Most recently, Resistor color code calc was updated on September 10, 2026 and Blynk IoT on September 22, 2026.

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