Buying Guide · White Noise
White Noise Machine vs App: Which Actually Works Better?
White noise apps are free. Dedicated machines cost $20–$200. So is a physical device actually worth buying? We break down the real differences and give you an honest answer.
Quick Verdict
- →Use an app first to find out if white noise helps your sleep at all. If it does, upgrade to a machine.
- →Get a machine if you use white noise every night, need high volume to block real noise, or don't want your phone on and charging all night.
- →The Marpac Dohm produces a sound no app can replicate — a real mechanical fan with zero looping.
Sound Quality
Apps play recorded audio through your phone speaker — which is small, tinny, and directional. A dedicated machine like the LectroFan uses a proper speaker designed to fill a room. The Marpac Dohm goes further: it uses an actual mechanical fan motor, producing a living, breathing sound that no recording can replicate. For serious noise masking, a dedicated machine is meaningfully better.
Volume
Phone speakers max out around 85dB — and most people don't push them that high. The LectroFan reaches 85dB with fine-grained volume control. If you live near traffic, a snoring partner, or noisy neighbours, you need volume — and a machine will outperform your phone at the levels that actually mask sound.
Battery and Phone Health
Running an app all night keeps your screen off but your processor active and your battery draining. Plugging in to compensate means charging at 100% all night — which degrades battery health over time. A dedicated machine has its own power supply and doesn't touch your phone.
Notifications and Disruption
Even in Do Not Disturb mode, some notifications get through — and many people habitually check their phone when they stir at night. A dedicated machine creates a clean separation: the phone is off or across the room, the machine runs independently. This alone improves sleep quality for many people.
Looping
Most apps and budget machines loop their audio — you'll hear the same few seconds repeat on a cycle. This isn't noticeable when you're asleep, but some people find it distracting as they drift off. The LectroFan's sounds are specifically non-looping. The Marpac Dohm doesn't loop because it's a real fan — the sound varies naturally every second.
When an App Is the Right Answer
- ✓ You're just trying white noise for the first time
- ✓ You travel frequently and can't pack another device
- ✓ You sleep in a quiet environment and just need a gentle background sound
- ✓ Budget is the primary concern
When a Machine Is Worth Buying
- ✓ You use white noise every single night
- ✓ You need high volume to mask real noise (traffic, neighbours, partner)
- ✓ You want to keep your phone away from the bed
- ✓ You want the most natural sound possible (Marpac Dohm)
Our Top White Noise Machine Picks
LectroFan Classic — Best Overall
20 non-looping sounds, best volume control
Marpac Dohm Classic — Best Natural Sound
Real mechanical fan — never loops
Magicteam — Best Budget Machine
20 sounds, timer, under $20