Instructions apply to any iPhone, iPad, or iPad touch with iOS 7 or newer.
Tap thethree interlocking circles iconto display the available photo filters.
A bar appears next to the camera button that shows previews of the photo using each filter.

Swipe to scroll through filters.
Select a filter, and then take the photo.
The photo saves to your Camera Roll with the filter applied.

Tap thePhotosapp to open it.
Browse through the Photos app to find the photo you want to use.
Photos may be stored in Camera Roll, Photos, Memories, or another album.

Tap the photo you want so that it’s the only photo displayed on the screen.
At the bottom of the screen, tap the Filtersicon which appears as three interlocking circles.
Tap a filter to apply it to the photo.

Tap each filter option for a preview, and then selectDoneto keep your changes.
you could always revert a photo to its original form, no matter how many changes you make.
Keep experimenting to get your pictures looking how you want.

The original, unmodified file is no longer visible in your Camera Roll.
you’re able to undo a filter because filters are applied using non-destructive editing.
This means that the original photo is always available and the filter is a layer applied over the original.

TapEdit, selectRevert, and then tapRevert to Original.
To apply a different filter, tap theFiltersicon.
The filter is removed from the photo.

These instructions apply toiOS 8and newer.
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One of the leading third-party photo apps,Camera+packs a huge number of features.

It also includes tons of effects and editing tools, sharing capabilities, and more.
you’ve got the option to even add sound effects, word balloons, and captions.
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Litelyis another app brimming with filters, visual adjustments, and multiple levels of undo.
Litely makes it easy to apply subtle changes that dramatically improve photos.