Circuit Cellar vs ValueCalm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Circuit Cellar
Access in-depth engineering tutorials, microcontroller projects, and industry news for electrical engineers and electronics enthusiasts. Explore topics like embedded development, signal processing, and IoT. Subscriptions are available within the app.
- Engineering tutorials
- Microcontroller projects
- Embedded systems news
- Signal processing articles
- IoT project guides
- Robotics content
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Circuit Cellar magazine features engineering tutorials, detailed microcontroller-based projects, and embedded systems industry news for professional electrical engineers, EE/ECE academics, and highly skilled electronics enthusiasts. Since 1988, Circuit Cellar has featured projects and tutorials from the world's top engineers on subjects such as embedded development (e.g., prototyping and programming), signal processing (e.g., DSP chips and signal conditioning), programmable logic (e.g., FPGA projects), sensor systems (e.g., smart sensors and MEMS), 'Net-connected devices (e.g., IoT projects and protocol stacks), robotics (e.g., robotic systems and proximity sensing), and much more. Circuit Cellar is the ultimate resource for all of your electrical engineering-related needs. Magazine Subscriptions are available for purchase inside this app. Three months subscription - $24.99 (automatically renewed until canceled) Six months subscription - $39.99 (automatically renewed until canceled) One year subscription - $34.99 (automatically renewed until canceled) Your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your iTunes account will automatically be charged at the same price for renewal within 24-hours prior to the end of the current period unless you change your subscription preferences in your account settings. You can manage your subscriptions through your account settings after purchase on your device. No cancellation of the current subscription is allowed during active subscription period. Please visit http://www.magzter.com/ns/privacy-policy.html for our Privacy Policy and http://www.magzter.com/ns/terms_condition.html for our Terms & Conditions
ValueCalm
This app helps you manage your health by tracking vital signs and habits. It offers personalized insights and reminders, with a strong focus on data privacy by storing information locally on your device. Unlock advanced features and reporting with a PRO upgrade.
- Comprehensive vitals tracking (Blood Pressure, Glucose, Weight, Pulse)
- Smart daily insights and trend analysis
- Medication and habit reminders
- Doctor-ready PDF reports (PRO)
- 100% private, local data storage
- Bilingual support (English & Spanish)
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Take control of your health with clarity and privacy. ValueCalm is more than just a logbook; it's your personal health companion designed to bring peace of mind to your daily routine. Whether you are managing hypertension, diabetes, or simply staying on top of your well-being, ValueCalm helps you understand your body without compromising your data. Why ValueCalm? We believe your health data belongs to you. That's why ValueCalm is built with a Privacy-First architecture. Your sensitive medical records are stored locally on your device, not on external servers. KEY FEATURES: * Comprehensive Vitals Tracking: Easily log Blood Pressure, Glucose, Insulin, Weight, and Pulse. The intuitive interface makes recording data take seconds, not minutes. * Smart Daily Assistant: Don't just store numbers, understand them. Our intelligent assistant analyzes your trends and provides daily insights to keep you informed and motivated. * Medication & Habit Reminders: Never miss a dose or a check-up. Set custom reminders to keep your health routine on track. * Doctor-Ready PDF Reports (PRO): Transform your data into professional, easy-to-read PDF reports. Share them instantly with your doctor or family members to make better health decisions together. * 100% Private: Powered by Apple's, your information stays on your iPhone. No accounts, no tracking, no selling your data. * Bilingual Support: Fully localized for English and Spanish. GO PRO: Unlock the full potential of your health journey with ValueCalm PRO: * Unlimited History & Trend Analysis. * Advanced PDF Exporting - CSV - Excel * Support independent development. MEDICAL DISCLAIMER: ValueCalm is designed for informational and data recording purposes only. It does not provide medical advice, diagnosis, or treatment. The "Daily Assistant" insights are based on general algorithms. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. In case of a medical emergency, contact your emergency services immediately. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://damilantech.com/privacy-value-calm.html
Screenshots
Verdict
The clearest difference is review sentiment: ValueCalm at 100% against Circuit Cellar's 0%. ValueCalm also leads on rating (5.0 vs 1.5) and monetization model (freemium vs subscription). Circuit Cellar's advantage is iOS requirement (11.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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. Circuit Cellar sells 10 in-app purchases, starting at $23.99 per year and ValueCalm sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
ValueCalm holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of Circuit Cellar's written reviews are positive against 100% of ValueCalm's.
Circuit Cellar ships an update every 16 months, ValueCalm every 2 months. Both last shipped on October 24, 2026.
| Parameter | Circuit Cellar | ValueCalm |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 16 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Freemium — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 33 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Magzter Inc. | Daniel Jaimes |
Customer experience
Circuit Cellar
ValueCalm
In-app purchases
Circuit Cellar
- Circuit Cellar 30$23.991 Year
- Circuit Cellar 1 Year$34.991 Year
- Circuit Cellar - December 2016$8.99
- Circuit Cellar - November 2016$8.99
- Circuit Cellar - January 2017$8.99
Show 5 moreShow fewer
- Circuit Cellar - July 2017$8.99
- December 2017$8.99
- July 2018$8.99
- March 2018$8.99
- Circuit Cellar November 2018$8.99
ValueCalm
- ValueCalm - Monthly3 Days trial$4.991 Month
- ValueCalm - Yearly3 Days trial$29.991 Year
- ValueCalm Lifetime$59.99
Questions
Is Circuit Cellar free?
Is ValueCalm free?
Which has better reviews, Circuit Cellar or ValueCalm?
Do Circuit Cellar or ValueCalm have ads?
Which is updated more often, Circuit Cellar or ValueCalm?
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