# Star Tri vs SignHR

The clearest difference is update cadence: SignHR at every 5 days against Star Tri's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Star Tri ships an update every 3 months, SignHR every 5 days. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Star Tri | SignHR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/star-tri-color-programmer/id1453220424/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 50 MB | 74 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 12+ | 4+ |
| Developer | [Grote Industries, Inc.](https://appshunter.io/developer/1199733567) | [SignatureTech IT Solutions](https://appshunter.io/developer/1890996637) |

## What reviewers say

### Star Tri

[App page](https://appshunter.io/ios/app/star-tri-color-programmer/id1453220424)

Easily program Star Signal Tri-Color lights using your iOS device. This app uses your phone's flash to send data to the light's sensor, allowing quick setup and customization of patterns, colors, phase, and functionality.

**Highlights:** Program patterns for 3 enable wires, Select colors per enable wire, Adjust phase settings, Set functionality (steady burn, cruise, auto-dim), Preview patterns before programming, Uses phone flash for data transmission

**Features:** macOS Compatibility

**In-app purchases:** none


### SignHR

[App page](https://appshunter.io/ios/app/signhr/id6767882933)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Star Tri free?

Star Tri is free to download, with no in-app purchases.

### Is SignHR free?

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

### Do Star Tri or SignHR have ads?

Neither Star Tri nor SignHR shows ads.

### Which is updated more often, Star Tri or SignHR?

Star Tri ships an update every 3 months, and SignHR every 5 days. Most recently, Star Tri was updated on October 14, 2026 and SignHR 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.*