Slidebox vs Boost Cleaner: what 3,221 reviews say

Slidebox vs Boost Cleaner: the numbers side by side

Where do Slidebox and Boost Cleaner differ most?

• Billing, trials and cancelling is a bigger issue for Boost Cleaner (47.2% of low ratings) than for Slidebox (16.7%).
• Boost Cleaner's unhappy reviewers mention the app not working or doing little more often as Slidebox's: 24.1% against 15.2% of 1–2★ reviews.
• A paywall before the app does anything useful is a bigger issue for Boost Cleaner (14.1% of low ratings) than for Slidebox (5.2%).
• Boost Cleaner's unhappy reviewers mention calling the app a scam or rip-off about 7 times as often as Slidebox's: 8.3% against 1.2% of 1–2★ reviews.
• Boost Cleaner's unhappy reviewers mention slowness, crashes and bugs more often as Slidebox's: 12.8% against 8.3% of 1–2★ reviews.

Both are compared on iPhone, where both have enough reviews. Slidebox lets you swipe through photos one at a time to delete them or file them into albums, and compares similar shots side by side; Boost Cleaner finds duplicate photos, large files and messy contacts and says it processes everything on the device.

Are Slidebox and Boost Cleaner improving?

Slidebox went from 3.61 stars in 2025-Q3 to 3.44 in 2026-Q3, with billing at 27.3% of its latest 1–2★ reviews. Boost Cleaner has too few recent reviews per quarter to show a trend.

Where are Slidebox and Boost Cleaner alike?

Their reviewers agree on ads, pop-ups and pushy screens, deleting photos or files the user wanted and having to review items one by one: on each, the two apps are within two points of each other (6.9% vs 6.6%; 3.5% vs 2.1%; 2.5% vs 2.4%). 13.5% of Slidebox's reviews are 1★ and 59.1% are 5★; for Boost Cleaner the split is 56.9% and 33%, so Boost Cleaner has noticeably more very angry reviewers.

What do happy users praise in each?

30.5% of Slidebox's 4–5★ reviews say organising photos, compared with 1.2% for Boost Cleaner. 27% of Slidebox's 4–5★ reviews say it is easy to use, compared with 8.9% for Boost Cleaner. 37.7% of Slidebox's 4–5★ reviews say it works, compared with 31.5% for Boost Cleaner.

Which is cheaper, Slidebox or Boost Cleaner?

Slidebox: App Store (US) in-app purchases from $1.99 to $49.99; Google Play (US) $0.99 to $49.99 per item. Boost Cleaner: App Store (US) in-app purchases from $5.99 to $49.99. Slidebox starts lower, at $0.99 against $5.99. Billing makes up 16.7% of Slidebox's 1–2★ reviews and 47.2% of Boost Cleaner's.

What reviewers say about Slidebox and Boost Cleaner

• Slidebox: "I would gladly pay $10-$15 for a lifetime license. But $52 a year, that's insane." (2★, Google Play, US, Jul 2024)
• Slidebox: "Used for over an hour deleting 800 photos, clicked the trash can and the app froze and cancelled me out. Waste of time, rubbish." (1★, Google Play, US, Apr 2026)
• Boost Cleaner: "Useless do not buy. I paid £9.99 and it didn’t register no contact from the developer totally ignored lost the £9.99." (5★, App Store, UK, Jul 2021)
• Boost Cleaner: "A useless app that doesn’t do what I bought it to do and just crashes all the time - don’t buy!" (1★, App Store, UK, Jan 2023)

Picked from the billing, trials and cancelling and the app not working or doing little themes, where the two differ most.

Should you choose Slidebox or Boost Cleaner?

On ratings alone, Slidebox is the safer bet on the evidence here, with 42.3% fewer 1–2★ reviews. If billing, trials and cancelling is what worries you most, Slidebox has the better record on it.