Sundown vs clat.ai
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Sundown compared with clat.ai
| Detail | 
Sundown | 
clat.ai |
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| What it does | Block blue light and remove screen flicker on your Mac so you can feel better, think clearer and sleep deeper
| Mac cleaner for caches, leftovers and disk space
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Paid
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| Pricing | Monthly $4.99/mo (after 7-day free trial), Annual $39/year (after 7-day free trial, saves 34% vs monthly), Lifetime $79 once (pay once, own forever, works on 2 computers)
| CleanClat Pro: $19 one-time for 2 Macs with unlimited cleanups, uninstall leftovers, and free updates
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| Key features | - Filters blue light down to 500K deep red
- Removes screen flicker with Flicker-Free Mode
- Anti-Dithering to smooth visual display
- Automated scheduling with up to six time-based steps
- Seven presets plus custom schedule options
- Runs natively on Apple Silicon and Intel Macs
- No tracking or telemetry
- Supports macOS 12 Monterey through macOS 26 Tahoe
| - Clear caches app by app while keeping sign-ins
- Uninstall apps with leftovers removal
- Disk space analysis with treemap visualization
- Menu bar status dashboard with CPU, memory, and system metrics
- Verified across 863 Mac apps
- Undoable cleanup actions
- System tuning
- Live system status monitoring
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| What makes it different | - Reaches 500K deep red, far deeper than Night Shift's 2700K limit
- Only blue light app with Anti-Dithering for Apple Silicon Macs
- Harvard-backed science: blocks blue light that delays circadian clock by 3 hours
- Produces ~58% more melatonin and ~24 min longer sleep
- Gentle automated scheduling that eases changes gradually in background
| - Verified across 863 Mac apps
- One-time payment of $19 for 2 Macs with free updates
- Per-app cache cleaning with sign-in preservation
- 14-day refund policy
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 26 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 27 | 0 |
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| Referring domains (Majestic) | 35 | 0 |
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5 details filled in for both companies.
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