# LitLED vs Author BT Update

The clearest difference is update cadence: Author BT Update at monthly against LitLED's every 15 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.

LitLED ships an update every 15 months, Author BT Update monthly. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | LitLED | Author BT Update |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/litled/id1621808810/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | Free | — |
| Size | 5 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VAIS Technology](https://appshunter.io/developer/758905891) | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) |

## What reviewers say

### LitLED

[App page](https://appshunter.io/ios/app/litled/id1621808810)

Control ambient lighting with a color wheel or preset swatches. Adjust brightness for front and rear zones independently or synced. Turn zones off when not needed.

**Highlights:** Color wheel selection, Preset color swatches, Zone brightness adjustment, Independent front/rear zone control, Sync front and rear zones, Zone OFF feature

**In-app purchases:** none


### Author BT Update

[App page](https://appshunter.io/ios/app/author-bt-update/id6475983875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LitLED free?

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

### Is Author BT Update free?

Author BT Update is free to download, with no in-app purchases.

### Do LitLED or Author BT Update have ads?

Neither LitLED nor Author BT Update shows ads.

### Which is updated more often, LitLED or Author BT Update?

LitLED ships an update every 15 months, and Author BT Update monthly. Most recently, LitLED was updated on June 5, 2026 and Author BT Update on September 8, 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.*