# Resistor, Capacitor color code vs SmartMEP

The clearest difference is price: SmartMEP at Free against Resistor, Capacitor color code's $3.99. SmartMEP also leads on update cadence (every 10 days vs every 37 months). Resistor, Capacitor color code's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

SmartMEP is free to download; Resistor, Capacitor color code costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Resistor, Capacitor color code ships an update every 37 months, SmartMEP every 10 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Resistor, Capacitor color code | SmartMEP |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 10 days** |
| Size | 12 MB | 36 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evgeni Nikolov](https://appshunter.io/developer/1515150536) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### Resistor, Capacitor color code

[App page](https://appshunter.io/ios/app/resistor-capacitor-color-code/id1515150537)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SmartMEP

[App page](https://appshunter.io/ios/app/smartmep/id6794257848)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Resistor, Capacitor color code free?

Resistor, Capacitor color code costs $3.99, with no in-app purchases.

### Is SmartMEP free?

SmartMEP is free to download, with no in-app purchases.

### Do Resistor, Capacitor color code or SmartMEP have ads?

Neither Resistor, Capacitor color code nor SmartMEP shows ads.

### Which is updated more often, Resistor, Capacitor color code or SmartMEP?

Resistor, Capacitor color code ships an update every 37 months, and SmartMEP every 10 days. Most recently, Resistor, Capacitor color code was updated on October 8, 2026 and SmartMEP on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*