# STAR Cordless Programmer vs Instrument Toolbox

The clearest difference is price: STAR Cordless Programmer at Free against Instrument Toolbox's $1.99. Instrument Toolbox's advantage is update cadence (weekly vs every 4 months) and iOS requirement (13.0 vs 15.6). On review sentiment, ads, in-app purchases and device support there is nothing between them.

STAR Cordless Programmer is free to download; Instrument Toolbox costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STAR Cordless Programmer ships an update every 4 months, Instrument Toolbox weekly. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | STAR Cordless Programmer | Instrument Toolbox |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/star-cordless-programmer/id1471340696/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 8 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kingfisher Company Inc.](https://appshunter.io/developer/1471340575) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### STAR Cordless Programmer

[App page](https://appshunter.io/ios/app/star-cordless-programmer/id1471340696)

This application allows users to program and test STAR-based products from Kingfisher Company, Inc. It provides pages for parameter management, diagnostic information with health checks, and device-specific parameter editing.

**Highlights:** Program STAR-based products, Run tests on STAR products, Upload/download parameters, Diagnostic information, Antenna/cable health check, Edit device parameters

**Features:** Vision Pro support

**In-app purchases:** none


### Instrument Toolbox

[App page](https://appshunter.io/ios/app/instrument-toolbox/id6698856248)

A professional calculator designed for industrial control, automation, and instrumentation engineers. It offers quick conversions and calculations for gas concentration, units, steam properties, flange levels, and pipeline flow. Ideal for both field debugging and engineering design.

**Highlights:** PPM to mg/m³ conversion with compensation, Industrial unit conversion (pressure, volume, temp, etc.), Saturated steam pressure and density calculator, Flange level migration calculations, Pipeline flow and velocity calculator, Real-time calculation results

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

**In-app purchases:** none


## Frequently asked questions

### Is STAR Cordless Programmer free?

STAR Cordless Programmer is free to download, with no in-app purchases.

### Is Instrument Toolbox free?

Instrument Toolbox costs $1.99, with no in-app purchases.

### Do STAR Cordless Programmer or Instrument Toolbox have ads?

Neither STAR Cordless Programmer nor Instrument Toolbox shows ads.

### Which is updated more often, STAR Cordless Programmer or Instrument Toolbox?

STAR Cordless Programmer ships an update every 4 months, and Instrument Toolbox weekly. Most recently, STAR Cordless Programmer was updated on October 5, 2026 and Instrument Toolbox 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.*