# Spiral Engineering vs iLightsIn Sync

Spiral Engineering and iLightsIn Sync are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Spiral Engineering ships an update every 5 weeks, iLightsIn Sync every 6 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Spiral Engineering | iLightsIn Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/spiral-engineering/id1576156198/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 32 MB | 41 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Litetrace Inc](https://appshunter.io/developer/1685148777) | [云江 王](https://appshunter.io/developer/1322295053) |

## What reviewers say

### Spiral Engineering

[App page](https://appshunter.io/ios/app/spiral-engineering/id1576156198)

This utility app allows for firmware over-the-air updates and professional parameter adjustments for connected devices. Users can fine-tune settings such as PWM, high and low trim, fading time, and auto brightness levels.

**Highlights:** Firmware OTA updates, Professional parameter setting, PWM adjustment, High and low trim control, Fading time configuration, Auto brightness level setting

**Features:** macOS Compatibility

**In-app purchases:** none


### iLightsIn Sync

[App page](https://appshunter.io/ios/app/ilightsin-sync/id6470256252)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spiral Engineering free?

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

### Is iLightsIn Sync free?

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

### Do Spiral Engineering or iLightsIn Sync have ads?

Neither Spiral Engineering nor iLightsIn Sync shows ads.

### Which is updated more often, Spiral Engineering or iLightsIn Sync?

Spiral Engineering ships an update every 5 weeks, and iLightsIn Sync every 6 weeks. Most recently, Spiral Engineering was updated on October 12, 2026 and iLightsIn Sync on October 5, 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.*