Rocket Tracker vs Image Merger & Converter

Rocket Tracker is an app used to keep track of the rocketeer's collection of model and high-power rockets. It can be used to keep track of a rocket's physical characteristics (height, weight, center of gravity, etc.), what engines it can use, when it has been launched and what engines were used for that launch, and what repairs it may need. In addition, Rocket Tracker keeps a list of all engines used by any of your rockets and will list all of your rockets that can use a given engine. This is especially helpful when you have a couple of engines laying around and want to know which of your rockets could use those engines. Start using Rocket Tracker today to organize and keep track of all your rockets!

Image Merger & Converter gives you flexible tools to combine images, create animated GIFs, and convert image formats—all directly on your device. MERGE IMAGES Combine up to 50 images into one continuous file. • Merge vertically or horizontally • Preserve image detail and text readability in long PNG merges • Drag images to change their order • Add spacing between images • Choose the spacing color • Export as JPG, PNG, HEIF, WebP, or PDF • Preview the complete layout before generating CREATE ANIMATED GIFS Turn a sequence of still images into an animated GIF. • Arrange frames in your preferred order • Choose Slow, Normal, or Fast speed • Loop forever or play once • Keep the original canvas when compression is off • Use Compact, Balanced, or Quality compression • Preserve image orientation • Save or share the finished GIF CONVERT IMAGE FORMATS Convert one or more images while preserving their order. • Convert to JPG, PNG, HEIF, or WebP • Create one PDF containing all selected images • One image per PDF page • Same-format conversions preserve the original file • Rename files before saving • Save or share single files and image batches FLEXIBLE IMAGE WORKFLOW • Select multiple images at once • Reorder with drag and drop • Pinch to zoom in the preview • Remove individual images or clear the full selection • Generate again with the same settings • Start a new project without affecting other tabs PRIVATE AND OFFLINE Your images are processed locally on your device. No account, upload, or internet connection is required for image processing. Start with 3 free uses. A one-time Lifetime Unlock is available for unlimited access.