# truSmart lite vs Spiral Engineering

The clearest difference is update cadence: Spiral Engineering at every 5 weeks against truSmart lite'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.

truSmart lite ships an update every 3 months, Spiral Engineering every 5 weeks. The most recent releases landed on September 9, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | truSmart lite | Spiral Engineering |
| --- | --- | --- |
| 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 3 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 32 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B & T Associates Ltd](https://appshunter.io/developer/1483177334) | [Litetrace Inc](https://appshunter.io/developer/1685148777) |

## What reviewers say

### truSmart lite

[App page](https://appshunter.io/ios/app/trusmart-lite/id1483177335)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is truSmart lite free?

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

### Is Spiral Engineering free?

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

### Do truSmart lite or Spiral Engineering have ads?

Neither truSmart lite nor Spiral Engineering shows ads.

### Which is updated more often, truSmart lite or Spiral Engineering?

truSmart lite ships an update every 3 months, and Spiral Engineering every 5 weeks. Most recently, truSmart lite was updated on September 9, 2026 and Spiral Engineering on July 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*