# Resistor Plus vs San Bernardino County Library

The clearest difference is price: San Bernardino County Library at Free against Resistor Plus's $2.99. San Bernardino County Library also leads on update cadence (every 3 weeks vs every 20 months) and review sentiment (18% vs 0%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

San Bernardino County Library is free to download; Resistor Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Resistor Plus ships an update every 20 months, San Bernardino County Library every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Resistor Plus | San Bernardino County Library |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[3.2 (28 ratings)](https://appshunter.io/ios/app/san-bernardino-county-library/id1507243937/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | 0.0% of reviews | **17.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 23 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Capira Technologies](https://appshunter.io/developer/1010559443) |

## What reviewers say

### Resistor Plus

[App page](https://appshunter.io/ios/app/resistor-plus/id500615686)

Easily calculate resistor values and tolerance using color codes. Simply select the colors for each band, and the app instantly displays the resistance in ohms. Save your results with screenshots for future reference.

**Highlights:** Resistor color code calculation, Tolerance calculation, Instant results display, Copy result functionality, Screenshot capability, Works on iPhone and iPad, Ad-free and private

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

**In-app purchases:** none


### San Bernardino County Library

[App page](https://appshunter.io/ios/app/san-bernardino-county-library/id1507243937)

Access your local library's resources from your mobile device. Search the catalog, reserve items, and discover upcoming events. Stay informed about new arrivals and library operating hours.

**Highlights:** Search library catalog, Reserve items, View upcoming events, See new item arrivals, Library information and hours

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

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Plus free?

Resistor Plus costs $2.99, with no in-app purchases.

### Is San Bernardino County Library free?

San Bernardino County Library is free to download, with no in-app purchases.

### Do Resistor Plus or San Bernardino County Library have ads?

Neither Resistor Plus nor San Bernardino County Library shows ads.

### Which is updated more often, Resistor Plus or San Bernardino County Library?

Resistor Plus ships an update every 20 months, and San Bernardino County Library every 3 weeks. Most recently, Resistor Plus was updated on November 1, 2026 and San Bernardino County Library on November 7, 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.*