Mergius: HDR Photo & Tone map
Roman Sisik Photo & Video iPhoneiPadiPod touch
Mergius: HDR Photo & Tone map is a free Photo & Video app for iPhone and iPad by Roman Sisik. Rated 1.0/5 from 3 ratings. Requires iOS 17.6.
- Rating
- 1.0
- 3 ratings
- Price
- Free
- on the App Store
- Size
- 27 MB
- Age 4+
- Updated
- Nov 22
- 2025 · v1.5
Screenshots
About Mergius: HDR Photo & Tone map
Unlock the full potential of your photos! Pro HDR Fusion lets you effortlessly merge multiple exposures into a single, stunning High Dynamic Range image. Experience true creative control with professional-grade tools right on your device. Whether you're a photographer looking for the perfect HDR merge or a VFX artist working with professional formats, our app is built for a powerful and precise workflow. Key Features: HDR & Exposure Fusion: Combine multiple photos into one perfectly exposed image. Choose between the classic Robertson & Debevec HDR algorithm or the seamless Mertens Fusion method. Perfect Alignment: Our automatic image alignment ensures your photos are sharp and ghost-free before merging, even when shooting handheld. Pro File Support: Natively open, modify, and export high-quality OpenEXR (.exr) and Radiance (.hdr) files. Advanced Tone Mapping: Sculpt the final look with a suite of professional tone mapping operators: Reinhard, Drago, Mantiuk, Linear, and Normalize. Final Adjustments: Polish your masterpiece with Auto White Balance, Brightness/Contrast, and Saturation controls. Flexible Export: Save your work as a high-quality JPEG or PNG for easy sharing, or export back to .exr or .hdr to maintain the full dynamic range for your professional pipeline. Download now and create breathtaking HDR images with unparalleled power and quality! Paid features: - automatic image alignment - Robertson hdr algorithm - Reinhard, Drago, and Mantiuk tone-mapping algorithm - Auto White Balance - Saturation adjustment - shadows & highlights, vibrance effect, punchy colors effect - capturing bracketed image directly with camera - Export to .exr/.hdr formats Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.5 · Updated November 22, 2025
- fixed crashes - fixed swapped colors
App privacy
The developer, Roman Sisik, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Mergius: HDR Photo & Tone map
Looking for apps like Mergius: HDR Photo & Tone map? Here are 6 similar apps on the App Store. The highest rated is Layerlight - HDR Photo Editor (5.0/5), and all 6 are free to download.
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HDR Easy
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MergeHDR
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Brackt: RAW to HDR Merge
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HDR Merge Pro
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toHDR
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Layerlight - HDR Photo Editor
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Mergius: HDR Photo & Tone map | 1.0 / 5 (3 ratings) | Free | November 22, 2025 | |
| HDR Easy | 4.5 / 5 (4) | Free | Sep 14, 2026 | Compare |
| MergeHDR | 1.0 / 5 (1) | Free | Oct 17, 2026 | Compare |
| Brackt: RAW to HDR Merge | 3.3 / 5 (12) | Free | Jul 14, 2026 | Compare |
| HDR Merge Pro | – | Free | Sep 5, 2026 | Compare |
| toHDR | 4.0 / 5 (1) | Free | Aug 22, 2025 | Compare |
| Layerlight - HDR Photo Editor | 5.0 / 5 (2) | Free | Oct 23, 2026 | Compare |