# PiceaMobile vs SJ Resistor Calculator

The clearest difference is in-app purchases: PiceaMobile at none against SJ Resistor Calculator's 5. PiceaMobile also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.0). SJ Resistor Calculator's advantage is update cadence (every 2 weeks vs every 5 weeks). 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. PiceaMobile asks for nothing beyond the download.

PiceaMobile ships an update every 5 weeks, SJ Resistor Calculator every 2 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PiceaMobile | 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** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 4 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piceasoft](https://appshunter.io/developer/1193558682) | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) |

## What reviewers say

### PiceaMobile

[App page](https://appshunter.io/ios/app/piceamobile/id1660223397)

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

**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 PiceaMobile free?

PiceaMobile 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 PiceaMobile or SJ Resistor Calculator have ads?

SJ Resistor Calculator shows ads; PiceaMobile does not.

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

PiceaMobile ships an update every 5 weeks, and SJ Resistor Calculator every 2 weeks. Most recently, PiceaMobile was updated on October 27, 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.*