KeepOne vs FormSync

Clear out similar photos and reclaim your storage with KeepOne. Burst shots, near-identical snaps, endless screenshots—our camera rolls fill up fast. KeepOne helps you clean them up in minutes. Its on-device AI automatically groups similar photos, so you just pick the ones worth keeping and delete the rest with a single tap. Free up storage instantly and enjoy a lighter, tidier photo library. Keep as many as you want KeepOne is NOT a "keep only one photo" app. Keep a single best shot, keep several favorites, or keep the whole group—it's entirely up to you. The name simply reflects our goal: helping you find that one keeper worth holding on to. Every deletion happens only after your confirmation, so you'll never lose a photo by accident. Who it's for - Anyone whose camera roll is full of look-alike photos - People who shoot a lot of burst photos - Anyone with a pile of screenshots - Anyone stuck on "Storage Almost Full" - Anyone tired of comparing and deleting photos one by one Key features - AI-powered grouping: On-device image analysis intelligently groups similar photos, so you instantly see what needs attention. - Keep what you want, delete the rest in bulk: Choose the photos to keep in each group and remove the rest together—no more deleting one at a time. - See how much space you'll save: KeepOne shows the storage you'll free up, keeping you motivated to declutter. - Pick by date range or album: Analyze only the photos you want by choosing a date range or a specific album. - Adjustable grouping slider: Fine-tune how loosely or tightly photos are grouped, your way. - Fast and smooth: Quickly analyzes even large photo libraries. Three simple steps 1. Choose a date range or album to clean up 2. Review the groups of similar photos 3. Keep the ones you love and delete the rest That's all it takes to make your camera roll noticeably lighter. Your privacy comes first All photo analysis happens entirely on your device. Your photos and personal data are never sent to any external server. Organize your precious memories in a safe, private environment. KeepOne Pro (one-time purchase) For those who want more precise control, KeepOne Pro adds: - "Tighter" grouping algorithm: Groups only photos that are all similar to one another, so unrelated shots are far less likely to slip in—delete in bulk with confidence. - Album-based organizing - Full control of the similarity slider Pay once and use it forever. After switching devices or reinstalling, simply tap "Restore Purchase" to get it back. Great for - Picking the best shots from a trip or event - Trimming bursts of your kids or pets down to your favorites - Clearing out screenshots and memo photos in bulk - Making room before you start shooting again Photos become memories when you look back on them. Clean up the clutter with KeepOne and enjoy the moments that truly matter. Get KeepOne today and enjoy a lighter, faster camera roll.

FormSync lets you place two videos side by side and play them together — a simple app for checking form. Compare any kind of movement: dance, golf, tennis, baseball, training, and more. Put a reference next to yourself, or your past form next to today's, and spot the differences at a glance. Features - Pick two videos from your camera roll and view them side by side - Play and pause both videos at the same time - A shared seek bar to move both to the same position - Slow-motion playback (0.25x / 0.5x / 0.75x / 1x) - Set a start point for each video and fine-tune it in 0.05s steps - Jump to start / skip forward 10s / back 10s - Pinch to zoom in and check the fine details up close (zoom is kept in your exports too) - Landscape mode on the compare screen - Swap one video and keep the other — compare new takes against your reference, one after another - Mirror view — flip either video horizontally to match your reference's direction - Draw straight lines to compare form — angle and alignment (PRO) - Auto-detect pose — full-body skeleton and spine angle drawn in one tap (PRO) - Export your comparison as a single video, landscape or vertical 9:16 (saved to your camera roll, ready to share) - Set an end point and export just the range you want to show - Save your comparisons to history, name them, and revisit them Free - Compare any videos — preview plays 10 seconds from your chosen start points - Export comparisons up to 10 seconds (with a small watermark) - Keep your 5 most recent comparisons in history PRO (one-time purchase) - Play and compare videos in full length - Draw straight lines to compare form — angle and alignment, baked into your exports too - Auto-detect pose — full-body skeleton plus spine angle for your golf swing, in one tap - Export full-length comparisons (watermark can be turned off) - Keep unlimited history All videos are processed on your device and are never uploaded to a server. For iPhone.