SuperImage describes its image enhancement as using super-resolution technology to improve images.
RealSR
RealSR-NCNN-Android applies image super-resolution and interpolation on Android, offering a mobile interface to the RealSR image processing project.
About RealSR
RealSR-NCNN-Android is an Android application for image super-resolution and interpolation. It is provided as a GUI APK and as CLI programs for console use, for example in Termux, with the GUI acting as a shell for the CLI programs. It includes RealSR, Real-ESRGAN, RealCUGAN, SRMD, Waifu2x, MNN-SR, Anime4K and Resize modules, including nearest, bilinear, bicubic and AVIR interpolation. It can load extra NCNN and MNN models from a user-specified folder on SD card.
Key features
- Run RealSR, Real-ESRGAN, RealCUGAN, SRMD and Waifu2x NCNN models
- Run Anime4K upscaling module on Android
- Apply nearest, bilinear, bicubic and AVIR interpolation resizing
- Load custom NCNN and MNN models from SD card folder
- Select images via share sheet or in-app picker, then save output
- Operate by choosing model and Run or by shell commands
Best for: Android users who want to apply super-resolution and interpolation models on-device through a GUI or console.
Good for
- Supports multiple super-resolution engines and classical interpolation methods in one app
- GUI build can load extra models from SD card automatically
- Repository states the application does not collect private information from the device
Watch out for
- Custom MNN model filenames must include scale information to be used
- Described pth2ncnn workflow converts ESRGAN models, not Real-ESRGAN models
RealSR at a glance
- Category
- Mobile Apps › Android Apps
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Android
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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RealSR FAQ
How do I process an image in the GUI app?
Share one or more images from another app such as Gallery, or use Select Image in the app, choose a model and select Run, then use Save if you keep the result. You can also type a shell command.
How do I add custom models to the GUI app?
Make a directory on SD card, enter its path as the path for custom models for RealSR/ESRGAN/Waifu2x and save, copy models into that directory, then return to the main activity to select them.
What model formats can the RealSR and MNN-SR programs use?
The RealSR program can use RealSR models and Real-ESRGAN models in NCNN format, and the MNN-SR program can use models in MNN format.
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