# DragonLight Mobile vs Background Replacer

The clearest difference is price: Background Replacer at $1.99 against DragonLight Mobile's $9.99. Background Replacer also leads on update cadence (every 2 months vs every 28 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

DragonLight Mobile costs $9.99 and Background Replacer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DragonLight Mobile ships an update every 28 months, Background Replacer every 2 months. The most recent releases landed on September 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | DragonLight Mobile | Background Replacer |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dragonlight-mobile/id6462937071/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 19 MB | 12 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dark Dragons Astronomy](https://appshunter.io/developer/1703662442) | [Masanori Katsuta](https://appshunter.io/developer/320172788) |

## What reviewers say

### DragonLight Mobile

[App page](https://appshunter.io/ios/app/dragonlight-mobile/id6462937071)

This app transforms your mobile device into a professional flat field illumination panel for astrophotography. It helps remove image artifacts like dust spots and vignetting, enabling cleaner, more professional-looking deep sky and planetary images.

**Highlights:** Precision brightness control with 4,096 levels, Full automation with astronomy software integration, Remote brightness control via web interface, Adjustable aperture mask for even illumination, Network device finder, Red flashlight mode for night vision

**Features:** macOS Compatibility

**In-app purchases:** none


### Background Replacer

[App page](https://appshunter.io/ios/app/background-replacer/id6502630816)

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

**In-app purchases:** none


## Frequently asked questions

### Is DragonLight Mobile free?

DragonLight Mobile costs $9.99, with no in-app purchases.

### Is Background Replacer free?

Background Replacer costs $1.99, with no in-app purchases.

### Do DragonLight Mobile or Background Replacer have ads?

Neither DragonLight Mobile nor Background Replacer shows ads.

### Which is updated more often, DragonLight Mobile or Background Replacer?

DragonLight Mobile ships an update every 28 months, and Background Replacer every 2 months. Most recently, DragonLight Mobile was updated on September 16, 2026 and Background Replacer on October 11, 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.*