Old downloads, blurry photos, duplicate files, and forgotten screenshots fill up our devices fast. Before long, finding what you need feels like searching a messy closet. Digital declutter apps can help by sorting, deleting, and grouping files so your phone and computer feel fresh again. The right tool depends on what you store and where. Understand popular picks that can clear space, find duplicates, and bring order to your photos, videos, and documents.
CleanMyMac
CleanMyMac, made by MacPaw, is one of the best-known cleanup tools for Apple computers. It scans your hard drive and finds large files, old caches, leftover app pieces, and other clutter that builds up over time. The dashboard is friendly, with simple buttons that walk you through each step. You can also run smart scans that suggest what to remove based on what is taking up the most space.
The app has a malware tool, an uninstaller for unused programs, and a section for managing items that launch when your Mac starts up. While it is a paid product, MacPaw offers a no-fee trial so you can see how much space it can clear before you commit. For Mac users who want a polished, all-in-one cleaner that works across system files and app data, CleanMyMac is a strong pick. The app also keeps a running view of your storage so you can spot growing folders before they get out of hand.
Gemini 2
Gemini 2, also from MacPaw, focuses on one big problem: duplicate files. It scans folders, drives, and even cloud storage like iCloud or Dropbox to find exact copies and "similar" files such as photos that look almost the same. The app shows you the matches in a clean grid, with smart picks for which to keep and which to remove.
You can review each group before deleting, so you stay in charge of your files. Gemini 2 also learns from your choices over time, getting better at suggesting which copies to keep. It works on Macs only, but if you want similar cleanup on an iPhone, MacPaw now offers CleanMyPhone, which replaced the company's earlier Gemini Photos app and handles duplicate and clutter cleanup for phone images. For people drowning in old photos and downloads, Gemini 2 can recover a lot of space without much effort.
Hazel
Hazel takes a different approach. Instead of cleaning once, it watches folders on your Mac and runs rules you set up. For example, you can tell Hazel to move PDFs from your Downloads folder into a "Receipts" folder, or to rename images based on the date and project. Once your rules are in place, the app handles sorting in the background while you keep working.
Hazel is made by Noodlesoft and has been a favorite among Mac power users for years. It also has tools for cleaning up after deleted apps and for handling files based on rules across many folders. While the setup takes a little time at first, the long-term payoff is huge: a tidy file system that mostly cleans itself. For users who want lasting order, Hazel is one of the most flexible tools out there.
Google Files
Google Files is a no-fee app for Android phones that helps you spot and remove clutter. It scans your storage and surfaces large files, junk, duplicates, and screenshots you may not need anymore. The app shows you each item with a preview, so you can review before deleting. There is also a section for old downloads that have been sitting around for weeks.
Beyond cleanup, Google Files works as a basic file manager and lets you share files with nearby phones without using mobile data. It supports offline transfers using a direct connection, which is handy for big videos. The clean, simple design makes it a friendly choice for users who do not want a complex tool. For most Android users, Google Files is more than enough to keep things tidy week to week.
Mylio Photos
Mylio Photos focuses on one of the messiest parts of digital life: family photos and videos. It pulls images together from your phone, computer, hard drives, and even some cloud services, then sorts them by date, location, and people. You can browse your whole library on any device, even when you are offline, and back up to a drive of your choice for full control over your files.
The app uses on-device tagging, which means your photos do not need to live on a company's cloud just to be searchable. It can also find duplicates, group near-duplicates, and pick the sharpest version of a burst. For families with thousands of pictures spread across many devices, Mylio brings order without forcing a single cloud or single platform. It is a strong pick for users who care about privacy and long-term photo storage.
Picking the Right Tool for Your Mess
The best digital declutter app for you depends on what is making your devices feel cluttered. If your Mac is full of system junk and large unused files, CleanMyMac is a solid sweep. For piles of duplicate photos and downloads, Gemini 2 or Google Files can clear a lot of space fast. People who want sorting to happen on its own should look at Hazel, while big photo libraries are best handled by Mylio.
You do not need to pick just one. Many users pair a one-time cleaner with a long-term organizer, so they get a quick boost and a steady, tidy system going forward. With the right setup, your devices can feel lighter, faster, and easier to use, even after years of saved files and shared media.