why does text look different when editing images on my iphone?

Text may look different when editing images on an iPhone due to the CSS font-family fallback chain, which causes the system to substitute fonts not available on the device with the closest match. This substitution can result in text looking altered, particularly if specific fonts used in the original image do not exist in the iPhone's system font library.

iPhones also rely on subpixel rendering to enhance text clarity on high-resolution Retina displays, which can alter text appearance depending on zoom levels or image resolution. This can lead to variations in how text looks, especially when comparing to a desktop or a device with different display technologies.

When editing, using apps that allow custom font uploads or automatic detection of font styles, like EditTextImage, can help minimize these discrepancies by maintaining the original text style regardless of the device. Alternatively, apps like Snapseed or Affinity Photo for iOS offer good text editing capabilities but may still require manual font identification if font preservation is critical.

For consistent results, exporting the edited image in a format that supports high resolution and font fidelity, such as PNG, can help ensure that the text appears as intended across various displays and devices.