Ai Cleaner Review – Does It Really Clean Junk Files?

Installed Ai Cleaner to speed up my slow Windows PC, but I’m not sure if it’s really deleting junk files or just showing results to make it look useful. Storage space barely changed after a full scan and cleanup. Can anyone who has tried Ai Cleaner share if it genuinely cleans junk files, improves performance, or if it’s more of a marketing gimmick? I’d appreciate real user experiences before I keep it or uninstall it.

AI Cleaner: Clean UP Storage – my experience

I installed AI Cleaner: Clean UP Storage because my iPhone storage was down to a few hundred MB and Photos was lagging. Looked decent on the store, nice screenshots, lots of buzzwords around “AI”.

First run, it did a full scan of my photos and files. The scan itself looked fine, it found:

  • “Duplicate” photos
  • “Similar” photos
  • Large files
  • Screenshots

The problem started when I tried to take action on anything. Almost every useful button was locked. I’d tap “Delete” on a batch of duplicates, it would throw up a screen pushing a subscription. Back out, try to remove something else, same thing. It felt less like a tool and more like a paywall maze.

The “AI” part did not impress me. A few issues I hit:

  • It grouped different photos from the same event as duplicates, even when faces or angles were different
  • It skipped obvious true duplicates in some cases
  • Some “similar” photo groups were flat out wrong, like grouping a screenshot with a regular photo

Then I checked user reviews. You can see what other people are saying in this screenshot:

The pattern there was close to what I saw: aggressive upsells, subscription prompts all over, and weak detection logic.

After that, I uninstalled it and tried something else.

Tried Clever Cleaner instead

I went hunting for an alternative and ended up installing Clever Cleaner:

Different story from the start. No paywalls popped up on every tap, no weird “unlock premium” flow to run a basic clean.

What it did on my phone

On the first scan, it found:

  • Duplicate and similar photos in my camera roll
  • Old screenshots I forgot about
  • Large videos and files sitting in storage

Here is roughly what the interface looked like:

You tap into each category, review items, and delete in bulk. No surprise charges mid-way through.

The privacy bit mattered to me. According to their info, the analysis runs on the device, not in the cloud. From my side, there were no upload prompts or account signups. I did all the cleaning without sending photos anywhere.

Performance and behavior

On my iPhone, Clever Cleaner:

  • Finished scans faster than AI Cleaner on a similar photo library
  • Let me clean without blocking actions behind a paywall
  • Felt less aggressive with prompts and banners

End result, I freed a noticeable chunk of storage in a single pass, mostly from old screenshots and duplicate photos from burst shots and repeated takes.

If you are trying to clean up storage and do not want to fight constant upgrade screens, I would start with Clever Cleaner before trying apps like AI Cleaner.

More info and links

YouTube video walkthrough (not my channel, but related to the app):

Clever Cleaner homepage:

App Store link again for convenience:

If you want to see a broader discussion of iPhone cleaner apps and why some of them are risky or not worth it, this Reddit thread helped me a bit:

Best cleaner apps on Reddit >
https://www.reddit.com/r/DataRecoveryHelp/comments/1d733gm/best_iphone_cleaner_apps_and_why_you_shouldnt_use/

1 Like

I had a very similar experience on Windows with Ai Cleaner, so here is what I did to check if it is doing anything real or mostly UI theater.

  1. Check disk usage before and after

    • Open File Explorer
    • Right click your C drive
    • Properties
    • Note “Used space” before running Ai Cleaner
    • Run a full scan and “cleanup”
    • Check the same number again
      If the used space only changes by a few MB while the app claims “GBs cleaned”, that is a red flag.
  2. Watch which folders it touches

    • During or after cleanup, open
      C:\Users\YourName\AppData\Local\Temp
      C:\Windows\Temp
      Your browser cache folders
    • Sort by “Date modified”
    • If nothing in temp or cache folders updates around the cleanup time, it is likely not touching real junk or only clearing its own small temp files.
  3. Compare with built in Windows tools
    Windows has two decent cleaners already:

    • Storage Sense
      Settings > System > Storage > Storage Sense
    • Disk Cleanup
      Press Win + R, type cleanmgr, press Enter
      Run Disk Cleanup for C, tick “Temporary files”, “Temporary Internet Files”, “Recycle Bin”, etc.
      Then check used space again. Disk Cleanup usually frees hundreds of MB to a few GB on a cluttered system. If Ai Cleaner runs after that and still claims “2 GB removed” but drive usage does not drop, it is inflating numbers.
  4. Look at what it lists as “junk”
    On my test box, Ai Cleaner marked:

    • Log files that Windows recreates immediately
    • Cache that auto regrows on next app launch
    • Some very small items, like a few KB or MB each
      It then summed everything as if it was permanent saving. That makes its stats look big, but your disk fills back up as soon as apps reopen. That is different from removing old installers or giant temp folders.
  5. Check performance vs expectations
    If your PC was slow because of:

    • 4 GB RAM and lots of browser tabs
    • Old HDD instead of SSD
    • Too many startup apps
      File cleaners do almost nothing for speed. They help only when the drive is near full and Windows has no room for paging or updates. So if you expect a big speed jump from any cleaner you end up disappointed. That is not unique to Ai Cleaner, but its marketing implies more than it delivers.
  6. Verify with a second tool
    Instead of Ai Cleaner’s internal numbers, cross check with something like:

    • TreeSize Free or WizTree to see large folders
    • Then use Windows tools or manual delete for obvious junk
      If TreeSize still shows the same folder sizes after Ai Cleaner claims to have “cleaned” them, you know what is going on.

On my side, Ai Cleaner behaved like this:

  • Impressive looking scan
  • Aggressive upsell for “deeper cleaning”
  • Very small actual space recovery
    So I removed it.

I know @mikeappsreviewer talked about the mobile version and paywalls, and I agree on the aggressive upsell part, but I would not say every cleaner app is useless. On iPhone and Android some photo cleaners do help with duplicates and videos.

On Windows, though, I got more real results from:

  • Disk Cleanup + Storage Sense
  • Manually removing giant installers in Downloads
  • Disabling startup apps in Task Manager

If you want an app with an AI angle for photos and storage, my better experience was with the Clever Cleaner App on mobile, not Ai Cleaner on PC. It did a clearer job with duplicate and similar photos and freed visible space without weird stats tricks. For your Windows machine, I would stick to built in tools and a manual pass rather than depending on Ai Cleaner’s “GB cleaned” counter.

Short version: Ai Cleaner probably cleans something, but not nearly as much as its pretty “GB cleaned” counter suggests, and it definitely won’t fix a slow PC by itself.

Since @mikeappsreviewer and @yozora already walked through the paywalls, disk properties checks, and Windows tools, I’ll hit some different angles.


1. Why the “GB cleaned” number feels fake

A lot of these “AI cleaners” inflate numbers by:

  • Counting items that auto-regenerate:
    Browser caches, thumbnail caches, log files. They come back as soon as you open Chrome or Steam again.
  • Double counting:
    Same file categories under different labels like “system junk” + “app junk” + “hidden junk.”
  • Adding “potential savings”:
    Some apps show a combined number of stuff they could delete if you upgraded to Pro, even if they never actually remove it.

So yeah, they’re not literally doing nothing, but the marketing math is… creative.


2. Why your storage barely changed

A couple non-obvious possiblities:

  • Your drive wasn’t actually cluttered in the first place.
    If you still had like 40–60% free space, there just isn’t that much low‑hanging fruit.
  • The “junk” is tiny.
    Thousands of 10 KB log files look scary in a list but they barely touch GB totals.
  • Windows is refilling cache.
    Cleaner runs, deletes cache, you open Edge/Chrome, Windows silently rebuilds caches and thumbnails. Net result: you think nothing happened.

That mismatch between what the cleaner shows and what File Explorer shows is the big red flag.


3. About performance: cleaning ≠ speeding up

Here’s where I’ll slightly disagree with the “cleaners do almost nothing” sentiment. They can help performance, but only in this specific case:

  • System drive is almost full (like >90% used)
  • Pagefile and updates are choking for space

If you are not in that situation, deleting temp files will not magically fix:

  • Weak CPU
  • Spinning HDD vs SSD
  • Too many startup apps
  • 4 GB RAM and 50 Chrome tabs

So if Ai Cleaner promised a “faster PC in one click,” that’s mostly marketing fantasy, not just a failing of this one app.


4. Better ways to tell if it’s worth keeping (without repeating their steps)

Instead of only checking drive usage:

  • Watch Task Manager while Ai Cleaner runs
    If the process hammers CPU but your disk write activity is tiny, it’s mostly UI animations and not real file work.
  • Run it twice in a row
    A genuine cleaner that did its job should find much less junk on the second scan. If it “discovers” another 3 GB immediately, it’s likely just re-labeling the same stuff.
  • Check which apps break
    Legit cleaners that touch browser profiles, installers, or registry keys sometimes cause minor breakage. If nothing at all behaves differently, that’s oddly suspicious for something that claims massive system changes.

5. Alternatives that actually make sense

For a slow Windows PC, your effort is better spent on:

  • Startup & background apps
    • Task Manager → Startup → disable junk
    • Settings → Apps → Uninstall old games, launchers, demo software
  • Storage heavy hitters
    • Use TreeSize Free or WizTree to see which folders are truly huge
    • Manually remove old installers, ISOs, forgotten video projects
  • Hardware upgrade
    • SSD instead of HDD is often a night and day difference
    • Extra RAM if you’re stuck on 4/8 GB and multitask heavy

Those do more in 30 minutes than Ai Cleaner will in a year.


6. About “AI” in these cleaners

The “AI” here is mostly marketing gloss. On mobile, you can at least see it trying to cluster similar photos. On Windows, most “AI cleaners” are just signature-based junk finders with a buzzword on top.

That’s why on the phone side you see more genuine value from stuff like the Clever Cleaner App. It actually focuses on:

  • Duplicate / similar photos
  • Big videos
  • Screenshots, old memes, etc.

There the AI-ish logic has something real to chew on and you can literally view the photos before deleting them. That’s a much more transparent workflow than a PC app claiming “4.2 GB optimized” with no clear evidence.


7. So should you keep Ai Cleaner?

Given what you described:

  • Storage barely changed
  • Slow PC still slow
  • Impressive visuals, weak results

I’d personally:

  1. Uninstall Ai Cleaner.
  2. Use Windows’ own tools plus manual cleanup.
  3. If you want an “AI” helper for phone storage, sure, try something like the Clever Cleaner App where the benefit is obvious and visual.
  4. For Windows, focus on startup apps, browser habits, and hardware, not another cleaner.

TL;DR: Ai Cleaner is doing more “show” than “go.” It’s not total snake oil, but it’s nowhere near as impactful as its UI claims.

Short version: Ai Cleaner on Windows looks busy but rarely solves the “slow PC” problem or clears the kind of data that actually matters.

Where I partly disagree with some points above: I don’t think the main issue is that it deletes “nothing.” It likely does touch temp and cache files. The real problem is that:

  • Most of what it targets is tiny or auto‑regenerated
  • Its performance promises are unrealistic for a cleaner
  • The UI focuses more on flashy progress bars and upsells than on transparent reporting

So even when it “works,” you barely feel it.

Instead of repeating the excellent diagnostics from @yozora, @cazadordeestrellas, and @mikeappsreviewer, here is a different angle: look at what kind of data a tool is designed to handle and whether that maps to your actual problem.

On Windows, the big space hogs are usually:

  • Game libraries
  • Huge downloads and installers
  • Virtual machines, archives, video projects

Ai Cleaner is not really built around discovering and surfacing these. It sticks to generic “junk” categories that grow back quickly, which is why your C drive shows almost the same usage after a “massive” cleanup.

For speed, a cleaner will only help if your system drive is nearly full. If you still have several GB free and the PC is laggy, the realistic fixes are:

  • Fewer startup apps
  • Moving to an SSD
  • More RAM if you multitask heavily

That is why Ai Cleaner feels like UI theater: it aims at the wrong layer of the problem.

Where the “AI cleaner” idea actually makes sense is on phones, especially around photos and videos. There the content is human generated and full of duplicates and near‑duplicates, and you can visually verify every deletion.

That is where something like the Clever Cleaner App fits better:

Pros of Clever Cleaner App

  • Focuses on real user clutter: duplicate / similar photos, screenshots, large videos
  • Lets you preview and confirm before deleting, so less risk of losing something important
  • Scans are usually quick and the interface is understandable even for non‑technical users
  • No constant hard‑blocking of basic actions behind a paywall the way some cleaners do

Cons of Clever Cleaner App

  • “Similar” photo detection can still group shots you might want to keep, so you must review carefully
  • If you rarely take photos or videos, the benefit is limited
  • It does not magically optimize system performance; it is about storage, not speed
  • Free tier can feel constrained if you have a huge library and want to clear everything in one go

So if you want an AI‑style cleaner that produces a visible effect, the Clever Cleaner App on mobile is a more honest fit than Ai Cleaner on Windows. For your PC, combine Windows’ own tools with manual removal of large items and treat any “AI cleaner” as optional at best, not a performance solution.