# Saca Octopus vs SJ Resistor Calculator

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

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

Saca Octopus ships an update weekly, SJ Resistor Calculator every 2 weeks. The most recent releases landed on October 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Saca Octopus | 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 | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 4 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [胜 邓](https://appshunter.io/developer/1368398791) | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) |

## What reviewers say

### Saca Octopus

[App page](https://appshunter.io/ios/app/saca-octopus/id1559916048)

This utility app transforms your phone into a remote control for various functions. It allows you to lock and unlock devices, locate your vehicle, and more. Download it to experience convenient remote control capabilities.

**Highlights:** Phone as remote transmitter, Locking functionality, Unlocking functionality, Vehicle finding, Remote control capabilities

**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 Saca Octopus free?

Saca Octopus 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 Saca Octopus or SJ Resistor Calculator have ads?

SJ Resistor Calculator shows ads; Saca Octopus does not.

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

Saca Octopus ships an update weekly, and SJ Resistor Calculator every 2 weeks. Most recently, Saca Octopus was updated on October 12, 2026 and SJ Resistor Calculator on September 23, 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.*