# LARA Dio vs SJ Resistor Calculator

The clearest difference is in-app purchases: LARA Dio at none against SJ Resistor Calculator's 5. LARA Dio also leads on ads (none vs shown) and iOS requirement (10.0 vs 16.0). SJ Resistor Calculator's advantage is update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. SJ Resistor Calculator sells 5 one-off in-app purchases. LARA Dio asks for nothing beyond the download.

LARA Dio ships an update every 2 months, SJ Resistor Calculator every 2 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LARA Dio | SJ Resistor Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 4 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiri Konecny](https://appshunter.io/developer/600827387) | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) |

## What reviewers say

### LARA Dio

[App page](https://appshunter.io/ios/app/lara-dio/id1173795972)

Control your LARA devices from your iPhone. Stream internet radio stations globally with high-quality audio and manage multiple devices seamlessly. Save your favorite stations for easy access.

**Highlights:** Control multiple LARA devices, Stream global internet radio, Save favorite radio stations, Intuitive user interface, Voice communication (with Intercom device), Camera image reception (with Intercom device)

**Features:** macOS Compatibility

**In-app purchases:** none


### SJ Resistor Calculator

[App page](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457)

This tool simplifies resistor calculations for electronics enthusiasts, students, and professionals. It accurately decodes resistor color codes and performs series/parallel calculations for complex circuit analysis. Avoid manual errors and streamline your electronics projects.

**Highlights:** Resistor color code decoding (4, 5, 6 band), Series resistor calculations, Parallel resistor calculations, Accurate resistance and tolerance values, User-friendly interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coffee | $0.99 | one-time |
| A cookie | $2.99 | one-time |
| No ads | $4.99 | one-time |
| A lemon tart | $4.99 | one-time |
| A pizza | $9.99 | one-time |


## Frequently asked questions

### Is LARA Dio free?

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

### Is SJ Resistor Calculator free?

SJ Resistor Calculator is free to download, with in-app purchases available.

### Do LARA Dio or SJ Resistor Calculator have ads?

SJ Resistor Calculator shows ads; LARA Dio does not.

### Which is updated more often, LARA Dio or SJ Resistor Calculator?

LARA Dio ships an update every 2 months, and SJ Resistor Calculator every 2 weeks. Most recently, LARA Dio was updated on October 22, 2026 and SJ Resistor Calculator on October 24, 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.*