iPhone creators do an absurd amount of work on a six-inch screen, and formatting is most of it. Crop the Reel cover. Resize the thumbnail. Re-export for TikTok. An auto format content for social media app promises to collapse all of that into one tap, and the good ones come close. The bad ones just rename the same manual steps and charge you for it.
What does auto format actually mean? At minimum: you hand the app one master file and it produces correctly sized versions for each platform. Better apps handle safe zones and captions too. The fantasy version schedules everything, which is where a content scheduling and formatting app download earns its place on your home screen. Judge apps against that ladder, not against their marketing copy. Marketing copy is not a spec sheet.
Five options worth comparing on iOS. One: a dedicated auto-formatter built around platform presets. Two: CapCut, the mobile video editor half the internet already uses for vertical video. Three: InShot, the other giant in phone-first video editing. Four: Canva's iOS app for the thumbnail and graphic side. Five: a free formatter for one-off jobs, because a video spec formatter app free to try beats a subscription you use twice.
One iOS-specific gotcha: the Photos app is better than people give it credit for, and Shortcuts can automate some of this. But neither knows platform specs. Whatever app you choose, it needs a current spec list baked in, or you're automating the wrong numbers. Automation with stale numbers is just faster mistakes, and faster mistakes still ship.
Honestly, most formatting apps are nearly identical under the hood. Pick by interface, not by feature list. Use it for a week. Check that the exports actually match the platform's current dimensions. If they don't, the app is decoration. A social media image resizer app iOS Android stills companion covers the photo side while the formatter handles video.
The current specs live at easyimagevideo.com, updated as platforms change things. And our service does the whole job for you: one upload, correctly formatted versions for every platform.