iResistors vs NCD Academy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iResistors
This app helps users learn basic electronics by simulating resistor color band identification. Swipe through color bands to see the Ohm value change in real-time. It's a useful tool for students studying electronics.
- Simulates resistor color bands
- Displays Ohm values
- Interactive color band swiping
- Educational tool for electronics
- Real-time value updates
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Swipe on bands.. Colors & Ω's and will change! You ca swipe on colored bands on resistor, and You will see colors changing and the final value in Ohm will be displayed. Useful to learn basic electronics at school.
NCD Academy
This app provides essential education for frontline health workers on managing non-communicable diseases, starting with cardiovascular disease. It aims to empower professionals to better address the global burden of these conditions.
- NCD management education
- Cardiovascular disease focus
- Empowering frontline health workers
- Risk factor management
- Global health burden reduction
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Reducing the global burden of non-communicable diseases (NCDs) depends on frontline health workers who are empowered and equipped to manage risk factors in patients. NCD Academy aims to address this need through education on the group of NCDs that place the greatest burden on mortality and morbidity, starting with cardiovascular disease (CVD) given its rank as the leading cause of death.
Screenshots
Verdict
iResistors and NCD Academy both sit at 5.0 stars, but that hides the real split: 90% of NCD Academy's written reviews are positive against 27% of iResistors's. NCD Academy also leads on price (Free vs $0.99) and update cadence (every 2 months vs every 10 months). On rating, ads, in-app purchases and iOS requirement 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
NCD Academy is free to download; iResistors costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for iResistors against 4.9 for NCD Academy. That said, the two scores are not equally well evidenced: NCD Academy has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 27% of iResistors's written reviews are positive against 90% of NCD Academy's.
iResistors ships an update every 10 months, NCD Academy every 2 months. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.
| Parameter | iResistors | NCD Academy |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.9 (21 ratings) |
| Positive reviews | 26.7% of reviews | 90.0% of reviews — better |
| Number of ratings | 1 | 21 — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | Gian Enrico Conti | American College of Cardiology |
Customer experience
iResistors
NCD Academy
In-app purchases
iResistors
No in-app purchases
NCD Academy
No in-app purchases
Questions
Is iResistors free?
Is NCD Academy free?
Which has better reviews, iResistors or NCD Academy?
Do iResistors or NCD Academy have ads?
Which is updated more often, iResistors or NCD Academy?
Other comparisons
