If you're looking for a mobile app to compress images and reduce their file sizes in kilobytes (KB) or megabytes (MB), here are a few options available for both Android and iOS:
Photo Compress 2.0 is a lightweight and easy-to-use image compression app for Android devices.
It allows you to select multiple images and compress them with adjustable quality settings. You can specify the desired output file size in KB or MB.
Photo Compressor is a free app available for iOS devices. It enables you to compress and resize images to reduce their file sizes.
You can choose the compression quality and specify the output file size in KB or MB.
Image Size is a versatile app available for both Android and iOS. It offers various image editing functions, including image compression.
You can select images from your gallery or capture new ones, adjust the compression level, and specify the desired output file size.
Squash - Image Compressor (iOS): Squash is an image compression app specifically designed for iOS devices.