VitalSleep is the better long-term mouthpiece; Zyppah is the one with the longer trial and a tongue band. VitalSleep ($119.95) is a boil-and-bite jaw device you adjust from 0 to 8 mm in 1 mm steps, sold in men’s and women’s sizes, with a 60-night money-back guarantee and a one-year replacement warranty. Zyppah ($99.95) holds the jaw in one slight position, adds an elastic band over the tongue, and offers 91 days to return it, but its maker recommends replacing it every 4–6 months.
How we tested: We bought and tested VitalSleep ourselves (see our hands-on notes and video review below). We haven’t tested Zyppah; its details come from the maker’s specs and its FDA records.
If you expect to wear a mouthpiece every night for a year or more, VitalSleep’s adjustment range and warranty usually outweigh its $20 higher price.
Bottom line: VitalSleep takes it overall (8.8 vs 7.6) and is our Best Warranty pick (60-night money-back + 1-year free replacements). Choose Zyppah if jaw + tongue combo is your priority.
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Quick Verdict
- Choose VitalSleep if you want room to adjust (up to 8 mm), a size made for smaller mouths, and a warranty that replaces the device if it wears out in the first year.
- Choose Zyppah if you want a gentle fixed position plus a tongue band, and the 91-day trial matters more to you than adjustability or durability.
- See a doctor first if you have signs of sleep apnea. Both are snoring aids only.
- Our hands-on test: VitalSleep reduced our tester’s snoring over two nights. We haven’t tested Zyppah.
VitalSleep vs Zyppah: Side-by-Side
| Feature | VitalSleep | Zyppah |
|---|---|---|
| Type | Adjustable mandibular advancement device (MAD) | Hybrid: slight jaw advancement + tongue band |
| Price | $119.95 | $99.95 (double pack $190.00) |
| Money-back guarantee | 60 nights | 91 days (direct purchases) |
| Warranty after the trial | 1 year of free replacements | None advertised |
| Adjustment | Accu-Adjust screw: 0–8 mm in 1 mm steps, with included tool | None; fixed after fitting |
| Sizes | Men’s (Standard) and Women’s (Small, about 10% smaller); free size exchange | One size |
| Fitting | Boil-and-bite; can be re-molded | Boil-and-bite; can be re-molded |
| Tongue band | No | Yes |
| Materials | BPA-free, latex-free; made in the USA | BPA-free, latex-free |
| FDA | FDA-cleared for snoring (per maker) | 510(k) cleared for snoring, K182312 |
| Replacement | Covered by warranty in year one | Every 4–6 months (maker guidance) |
| Our overall score | 8.8 / 10 | 7.6 / 10 |
Prices and terms from vitalsleep.com and zyppah.com, checked October 24, 2026. On that date VitalSleep listed its men’s (Standard) size as temporarily sold out, with the women’s (Small) size in stock.
Adjustment: 8 mm of Range vs a Single Setting
Both devices hold the lower jaw forward to keep the airway behind the tongue from narrowing (see what is a mandibular advancement device). The difference is how much control you have over that position.
VitalSleep uses what it calls the Accu-Adjust System: a screw on each side that you turn with the included tool to move the lower tray forward or back in 1 mm steps, from 0 to 8 mm. VitalSleep’s own guidance is to mold it carefully, get comfortable with the starting position first, and only then advance gradually, making small, equal adjustments on both sides and testing each setting before going further. It also notes that “more advancement is not always better.”
Zyppah has no adjustment at all. The slight jaw position is set when you mold it, and the tongue band is meant to do the rest. If your snoring continues after the adjustment period, you have no way to increase the advancement.
For people whose ideal setting is unknown, which is most first-time buyers, range is valuable. It lets you find the smallest advancement that works rather than living with one guess. Our guide on adjusting a snoring mouthpiece explains the start-low, go-slow method.
Winner for adjustment: VitalSleep.
Fit and Sizing
Both are boil-and-bite devices that you can re-mold if the first impression isn’t clean. VitalSleep adds two things Zyppah doesn’t offer:
- Two sizes. The women’s size is about 10% smaller and, according to VitalSleep, is shaped separately rather than simply shrunk. That helps people with smaller mouths; see our guide to the best mouthpiece for small mouths.
- Free size exchange. If the size you order doesn’t fit, VitalSleep says it will exchange it for the other size with no restocking fee and return shipping covered.
Zyppah is one size. Fitting takes about 40 seconds in water just off the boil and a firm 60-second bite. If it falls out, Zyppah’s advice is to re-mold it more firmly.
Comfort
We score VitalSleep 8.5 for comfort and Zyppah 7.2. Both cause the normal first-week effects of jaw devices: some morning jaw or tooth soreness, extra saliva, and a bite that feels briefly off after you take the device out. VitalSleep advises stopping and contacting a health professional if you get persistent pain, significant bite changes or jaw locking.
The deciding factor for Zyppah is the tongue band. Buyers commonly report either forgetting about it after a few nights or finding it irritating enough to give up. VitalSleep has no band, and if your jaw aches you can back off a millimeter with the tool instead of waiting it out. More in jaw pain from a snoring mouthpiece.
Winner for comfort: VitalSleep.
The Real Cost Over a Year
This is where VitalSleep’s higher sticker price turns into an advantage.
- VitalSleep: $119.95 once. If it wears out in the first year, VitalSleep’s replacement program covers it.
- Zyppah: $99.95, replaced every 4–6 months on the maker’s guidance. That usually means two or three devices a year, or about $200–$300 at the single price. The $190.00 double pack brings that down if two units last you the year.
Grinding your teeth wears out any boil-and-bite device faster; see snoring mouthpieces for teeth grinding.
The trial periods point the other way. Zyppah gives you 91 days to return it (you need a return authorization number and pay return shipping). VitalSleep gives you 60 nights. Both are long enough to get past the first-week adjustment.
Winner for long-term value: VitalSleep. Winner for trial length: Zyppah.
Effectiveness
We rate VitalSleep 8.7 for effectiveness and Zyppah 8.0. Both rely on jaw advancement, the best-supported approach for over-the-counter snoring devices. VitalSleep’s advantage is simply that it can go further if you need it to. Zyppah adds the tongue band, which may help people whose tongue is a major cause, but its jaw position is mild and fixed.
Zyppah markets a 91% success rate. That figure comes from a company-linked study of 570 people who reported their own results after 10 days, so treat it with caution; we explain it in SnoreRx vs Zyppah. VitalSleep’s site quotes customer testimonials rather than a trial.
Neither device will do much for snoring that is mainly nasal; see mouthpieces vs nasal strips.
Who Should Buy Which
VitalSleep is the better buy if…
- You plan to use a mouthpiece nightly for the long term.
- You don’t know how much advancement you need, or suspect you need a lot.
- You have a smaller mouth and want a dedicated smaller size.
Zyppah is the better buy if…
- You want a tongue band in addition to jaw support.
- You prefer a mild, fixed position and don’t want to fiddle with settings.
- A 91-day return window is your priority.
Our Hands-On Test: VitalSleep
We bought VitalSleep and tested it ourselves. The kit came with a booklet, a case, and the fitting and adjustment tools. To move the lower tray forward you turn a screw on each side clockwise with the tool, a little at a time. The front airway opening is about 6 mm, wide enough for the tongue to come forward into it. The molding is gentle: you get a light, slightly customized impression rather than deep tooth marks. Our tester snored less over two nights of wearing it, going by the snoring-app recordings, and an overnight oxygen recording stayed above the report’s warning line. One note: the booklet in the kit we tested said to soak it for exactly 10 seconds because it overheats easily, while VitalSleep’s website now says about 45 seconds. Follow the instructions that come with yours.
Full details, photos and screenshots are in our VitalSleep review.
What our testing adds to this comparison: VitalSleep is the one we have used: the screw adjustment was straightforward and our tester snored less. Our Zyppah notes come from the maker and the FDA, not our own nights.
One tester’s nights are a real-world example, not a clinical trial. Snoring varies from person to person and night to night, and a snoring app or fingertip oxygen recording is not a sleep test.
Who Should Skip Both
Both grip the teeth and move the jaw, and both are cleared only to reduce snoring. Check with a dentist or doctor before using either if you have loose teeth, advanced gum disease, dentures, braces, crowns or implants, or a history of TMJ problems, or if you are under 18. VitalSleep specifically advises seeing a medical professional if you suspect central sleep apnea or another sleep disorder.
Snoring can be a sign of obstructive sleep apnea. If you wake up gasping, someone has noticed you stop breathing, or you feel exhausted after a full night, get a sleep evaluation before relying on any mouthpiece. Read can snoring mouthpieces treat sleep apnea? and who should not use a snoring mouthpiece.
Frequently Asked Questions
Is VitalSleep better than Zyppah?
For most people, yes. VitalSleep scores 8.8 overall in our ratings against 7.6 for Zyppah, thanks to its 0–8 mm adjustment, two sizes and one-year replacement warranty. Zyppah wins on trial length (91 days vs 60 nights) and is the only one of the two with a tongue band.
How much does VitalSleep cost compared with Zyppah?
VitalSleep is $119.95 and Zyppah $99.95 on the makers’ sites (October 2026). Because Zyppah needs replacing every 4–6 months and VitalSleep is covered by a one-year replacement warranty, VitalSleep usually costs less over a year.
Can you adjust Zyppah like VitalSleep?
No. VitalSleep moves in 1 mm steps from 0 to 8 mm using the included tool. Zyppah’s jaw position is fixed once it is molded.
Is there a women’s size?
VitalSleep has one: the women’s (Small) size is about 10% smaller than the men’s (Standard). Zyppah comes in a single size. See best snoring mouthpiece for women.
Do VitalSleep or Zyppah treat sleep apnea?
No. VitalSleep states it is intended to reduce snoring and is not intended to diagnose or treat sleep apnea, and Zyppah’s labeling says it does not treat obstructive sleep apnea. See a doctor if you suspect apnea.
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