Light HDR vs MellowSnap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Light HDR
Transform your device into a professional lighting panel for photography and videography. Fine-tune screen colors with custom sliders and achieve perfect color accuracy using White Balance, RGB, and HSV controls. Unlock true HDR lighting with maximum brightness.
- Precise color control (White Balance, RGB, HSV)
- HDR Mode for maximum brightness
- Mimic real-life light effects
- Metal-optimized real-time rendering
- Customizable color sliders
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Winner of the Swift Student Challenge 2024 Light HDR turns your iPhone or iPad into a professional-grade lighting panel, perfect for photography and videography. Designed with XDR displays in mind to utilize the full capabilities of your device, this app gives you the ability to fine-tune screen colors with custom sliders while ensuring perfect color accuracy across White Balance, RGB, and HSV. Key Features: Precise Color Control – Adjust your lighting using White Balance, RGB, or HSV to get the exact color output you need. HDR Mode – Unlock the full potential of your device’s XDR display, achieving maximum brightness and true HDR lighting. Light Effect - Light effects can be mimicked to resemble real-life lighting, with more features to come in the future. Metal-Optimized Performance – Enjoy smooth, real-time HDR rendering powered by Metal. Whether you’re a photographer, videographer, or creative professional, Light HDR is the ultimate tool for precision lighting control on the go.
MellowSnap
This app helps you capture and edit photos with atmospheric filters and composition guides. Choose from various presets to enhance your shots before or after taking them, and fine-tune colors and effects for a natural look.
- Camera presets for different moods
- Real-time filter preview
- Composition guides (Rule of Thirds, Symmetry)
- Built-in level for straight shots
- Photo editing with mood filters
- Before/after comparison view
- Manual camera controls
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MellowSnap is a snap camera and photo editor that lets you choose a mood and start shooting right away, or transform photos from your library with soft, atmospheric filters. Choose from Basic, Portrait, Food, Night, and Travel shooting presets to apply a filter, composition guide, aspect ratio, and exposure setting at once. Preview the mood before pressing the shutter, then use composition guides and the built-in level to capture more balanced photos. You can also import photos from your library, apply a variety of mood filters, and continue adjusting colors and effects. Compare the original and edited versions at a glance, then save or share your finished photo. Key Features Camera Coach Presets • Choose from Basic, Portrait, Food, Night, and Travel presets. • Preview the filter mood and final look before shooting. • Apply a matching filter, composition guide, aspect ratio, and exposure setting together. • Fine-tune filters, guides, and other settings after selecting a preset. Composition Guides and Level • Use composition guides including Rule of Thirds, Center, Symmetry, and Horizon. • Follow on-screen coaching tips to adjust subject placement and spacing. • Check the real-time level to keep your shots straight and balanced. Mood Filter Camera • Preview filters in real time while composing your shot. • Explore filters suited to portraits, food, travel, night scenes, and everyday moments. • Edit, share, or remove your latest photo directly from the capture review. Photo Editing • Import photos from your library and apply mood filters. • Adjust filters, enhancements, effects, eraser, aspect ratio, and export settings in one workflow. • Compare before and after using horizontal or vertical comparison views. • Add date and time styles to your photos. Manual Camera Controls • Easily adjust exposure, white balance, and focus. • Fine-tune camera settings to match your preferred tone and shooting environment. Pro Features • Apply the same filter to multiple photos with batch editing. • Save frequently used editing settings as custom recipes and share them with others. • Unlock all premium filters and advanced features with a one-time purchase. MellowSnap is designed for natural, soft colors rather than excessive editing. Capture everyday moments with ease and finish them in the mood that feels right to you.
Screenshots
Verdict
The clearest difference is in-app purchases: Light HDR at none against MellowSnap's 1. MellowSnap's advantage is update cadence (every 9 days vs every 3 months). On price, review sentiment, ads and device support 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. MellowSnap sells 1 one-off in-app purchase. Light HDR asks for nothing beyond the download.
Light HDR ships an update every 3 months, MellowSnap every 9 days. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.
| Parameter | Light HDR | MellowSnap |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 16 — better |
| Further details — not scored | ||
| Size | 6 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | RUIJIAN Liang | ChanGyu Kang |
Customer experience
Light HDR
MellowSnap
In-app purchases
Light HDR
No in-app purchases
MellowSnap
- MellowSnap Pro$3.99









