Spiral Engineering vs Strong Lumen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spiral Engineering
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.
- Firmware OTA updates
- Professional parameter setting
- PWM adjustment
- High and low trim control
- Fading time configuration
- Auto brightness level setting
Read full descriptionHide full description
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
Strong Lumen
Read full descriptionHide full description
Strong Lumen Lighting Control Assistant, using Bluetooth, to control IoT lamps, such as flashing, constant on, constant off, dimming, setting scenes, and configuring parameters
Screenshots
Verdict
The clearest difference is iOS requirement: Spiral Engineering at 12.0 against Strong Lumen's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, Strong Lumen monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Spiral Engineering | Strong Lumen |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 32 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Litetrace Inc | Strong Lumen Opto Co., Ltd. |
In-app purchases
Spiral Engineering
No in-app purchases
Strong Lumen
No in-app purchases
Questions
Is Spiral Engineering free?
Is Strong Lumen free?
Do Spiral Engineering or Strong Lumen have ads?
Which is updated more often, Spiral Engineering or Strong Lumen?
Other comparisons
