Boost Cleaner vs Smart Cleaner: what 782 reviews say

Boost Cleaner vs Smart Cleaner: the numbers side by side

Where do Boost Cleaner and Smart Cleaner differ most?

• On the app not working or doing little, Boost Cleaner draws 24.1% of its 1–2★ reviews, while Smart Cleaner draws 12.3%.
• Slowness, crashes and bugs is a bigger issue for Boost Cleaner (12.8% of low ratings) than for Smart Cleaner (1.6%).
• Billing, trials and cancelling is a bigger issue for Smart Cleaner (56.7% of low ratings) than for Boost Cleaner (47.2%).
• Boost Cleaner's unhappy reviewers mention a paywall before the app does anything useful more often as Smart Cleaner's: 14.1% against 8% of 1–2★ reviews.
• On ads, pop-ups and pushy screens, Boost Cleaner draws 6.6% of its 1–2★ reviews, while Smart Cleaner draws 2.7%.

Both are compared on iPhone. Boost Cleaner finds duplicate photos, large files and messy contacts and says it processes everything on the device; Smart Cleaner clears duplicates and unneeded files and sorts and compresses media.

Are Boost Cleaner and Smart Cleaner improving?

Boost Cleaner has too few recent reviews per quarter to show a trend. Smart Cleaner went from 2.38 stars in 2025-Q3 to 2.33 in 2026-Q1, with billing at 58.3% of its latest 1–2★ reviews.

Where are Boost Cleaner and Smart Cleaner alike?

Their reviewers agree on an ad or listing that promised something else, support that doesn't answer and calling the app a scam or rip-off: on each, the two apps are within two points of each other (2.8% vs 2.7%; 2.4% vs 1.6%; 8.3% vs 6.4%). 56.9% of Boost Cleaner's reviews are 1★ and 33% are 5★; for Smart Cleaner the split is 52.8% and 31.4%, so the share of very angry reviewers is similar.

What do happy users praise in each?

31.5% of Boost Cleaner's 4–5★ reviews say it works, compared with 15% for Smart Cleaner. 11.5% of Smart Cleaner's 4–5★ reviews say it is fast, compared with 4.8% for Boost Cleaner. 11.5% of Smart Cleaner's 4–5★ reviews say it is easy to use, compared with 8.9% for Boost Cleaner.

Which is cheaper, Boost Cleaner or Smart Cleaner?

Boost Cleaner: App Store (US) in-app purchases from $5.99 to $49.99. Smart Cleaner: App Store (US) in-app purchases from $5.99 to $39.99. Neither listing makes the cheaper option obvious; check which plan the paywall pre-selects. Billing makes up 47.2% of Boost Cleaner's 1–2★ reviews and 56.7% of Smart Cleaner's.

What reviewers say about Boost Cleaner and Smart Cleaner

• Boost Cleaner: "This app is a disgrace. I downloaded it and paid the 19.99 and it does nothing!" (2★, App Store, US, Jan 2026)
• Boost Cleaner: "The app keeps freezing. Made my iPhone incredibly over heated and took forever to do anything. Not worth your money." (1★, App Store, US, Jan 2023)
• Smart Cleaner: "Three days free only. Clean photos and videos only. Thought it cleaned messages, emails, and files. Nope just photos. Waste of my time." (1★, App Store, US, Mar 2026)
• Smart Cleaner: "Can’t even get started keeps doing an advert and then just freezes. Dont waste your time." (1★, App Store, UK, Nov 2025)

Picked from the the app not working or doing little and slowness, crashes and bugs themes, where the two differ most.

Should you choose Boost Cleaner or Smart Cleaner?

On ratings alone, the two are close on ratings, so choose on price and on which features you need. If the app not working or doing little is what worries you most, Smart Cleaner has the better record on it.