DragonLight Mobile vs UMi Mount
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DragonLight Mobile
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.
- 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
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DragonLIGHT Mobile transforms your iPhone or iPad into a professional flat field illumination panel for astrophotography. WHAT ARE FLAT FRAMES? When you photograph deep sky objects, your images contain dust spots, vignetting, and optical imperfections. Flat frames are calibration images that let your processing software remove these artifacts, revealing clean, professional astrophotographs. WHY DRAGONLIGHT? Instead of buying expensive dedicated flat panel hardware, use the device you already own. DragonLIGHT delivers professional results at a fraction of the cost. KEY FEATURES • Precision Control — 4,096 brightness levels ensure you can dial in the perfect exposure for any optical system • Full Automation — Integrates with N.I.N.A., Sequence Generator Pro, Voyager, and other astronomy software through the industry-standard ASCOM Alpaca protocol • Remote Operation — Control brightness from your imaging computer via built-in web interface or automation software • Adjustable Aperture Mask — On-screen sizing adapts to different telescope apertures for even illumination • Device Finder — Easily locate DragonLIGHT on your network using QR code or automatic UDP discovery • Red Flashlight Mode — Preserve your night vision with a red light utility • Portable — Lightweight and perfect for remote imaging sites PERFECT FOR • Deep sky imagers capturing nebulae, galaxies, and star clusters • Planetary imagers needing clean calibration frames • Anyone tired of carrying extra equipment to dark sites AUTOMATION MADE EASY DragonLIGHT speaks ASCOM Alpaca, the standard protocol used by astronomy automation software. Connect once, and your imaging software can automatically control brightness during your flat frame sequences—no manual intervention required. Download DragonLIGHT and start capturing better astrophotographs tonight.
UMi Mount
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The UMi Mount app supports the latest mounts from Proxisky, ranging from Ragdoll 17 and 20, to UMi 17R, 17S and 20S, and future mounts as well. This app offers our customers a simple way to sync location and timezone, slew, perform GOTO, change speeds and other must-have features on their mounts. SSID: OnStep Password: password
Screenshots
Verdict
The clearest difference is price: UMi Mount at Free against DragonLight Mobile's $9.99. UMi Mount also leads on update cadence (every 4 months vs every 28 months). On ads, in-app purchases, device support and iOS requirement 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
UMi Mount is free to download; DragonLight Mobile costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DragonLight Mobile ships an update every 28 months, UMi Mount every 4 months. The most recent releases landed on September 16, 2026 and May 15, 2026 respectively.
| Parameter | DragonLight Mobile | UMi Mount |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 28 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 46 MB |
| Age rating | 4+ | 9+ |
| Developer | Dark Dragons Astronomy | 昊刚 李 |
In-app purchases
DragonLight Mobile
No in-app purchases
UMi Mount
No in-app purchases
Questions
Is DragonLight Mobile free?
Is UMi Mount free?
Do DragonLight Mobile or UMi Mount have ads?
Which is updated more often, DragonLight Mobile or UMi Mount?
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