# Spiral Engineering

> App for firmware updates and professional parameter settings for Litetrace devices. (iPhone/iPad app by Litetrace Inc.)

- Source: https://appshunter.io/ios/app/spiral-engineering/id1576156198 (this page in markdown: same URL + `.md`)
- Developer: [Litetrace Inc](https://appshunter.io/developer/1685148777)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 32 MB
- Languages: American English, French (France), Norwegian Bokmål, Chinese (Simplified, China), Swedish, Chinese (Traditional, Taiwan)
- Released: 2021-07-12
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/spiral-engineering/id1576156198/reviews.md

## What is Spiral Engineering?

Litetrace Engineering App
based on User's App adding firmware OTA and Professional parameter setting like PWM, high and low trim, fading time, auto brightness level

## Key features

- Firmware OTA updates
- Professional parameter setting
- PWM adjustment
- High and low trim control
- Fading time configuration
- Auto brightness level setting

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/spiral-engineering/id1576156198/reviews.md

### 5/5 — Supper easy

*2024-11-13*

Fast and efficient solution for pushing device firmware updates 👍

## Frequently asked questions about Spiral Engineering

### What is Spiral Engineering used for?

Spiral Engineering is used for updating device firmware over-the-air and for setting professional parameters like PWM, high/low trim, fading time, and auto brightness.

### Is Spiral Engineering free to download?

Yes, Spiral Engineering is available for free on the App Store.

### What devices does Spiral Engineering support?

Spiral Engineering is supported on iPhone and iPod devices.

### How often is Spiral Engineering updated?

The latest version, 1.5.5, was released on March 6, 2026, indicating active development and updates.

### What is the age rating for Spiral Engineering?

Spiral Engineering has an age rating of 4+, making it suitable for a wide range of users.

### Does Spiral Engineering have ads?

No, Spiral Engineering does not contain advertisements.

### What is the user feedback on Spiral Engineering?

Spiral Engineering has received an excellent rating of 5.0 stars from 4 user reviews.

### Can I adjust PWM settings with Spiral Engineering?

Yes, Spiral Engineering allows for professional parameter setting, including PWM adjustments.

## Version history (last 5 releases)

### 1.5.5 — 2026-03-06

App:
1. Added the ability to disable the linkage of"All Lights".
2. Fixed an issue where borders appeared on the main screen list when returning from a secondary screen.
3. Fixed a potential crash issue in the upgrade interface.

Firmware:
Released firmware for IWS102 (version 250328).

### 1.5.4 — 2025-11-21

New features:
Mesh OTA button always be available.
Connect from user APP to upgrade current zone.
Display zone name under ‘My Zones’ page.
Improve connectivity when there are many lights.

### 1.5.3 — 2025-04-01

1. Upgrade CR04 firmware to allow APP showing WiFi MAC
2. Sensor firmware upgrade to include Power On Self Test.
3. Add FlashNet featureto EmerLite products.

### 1.5.2 — 2024-09-09

Update:
1. Allow linkage function after disabling motion;
2. Repair the timestamp anomaly of emergency equipment;
3. Allow disabling the flashlight reset function;
4. Optimization of the function of upper and lower lighting fixtures;

### 1.5.1 — 2024-08-09

bug fix

## Apps similar to Spiral Engineering

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| --- | --- | --- | --- |
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## More apps by Litetrace Inc

- [Keilton+autani](https://appshunter.io/ios/app/keilton-plus-autani/id1423982372)
- [Emerlite](https://appshunter.io/ios/app/emerlite/id6744957921)

All apps by Litetrace Inc: https://appshunter.io/developer/1685148777

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*