How these dog nail grinder reviews were read: I haven’t used any of these grinders, and I don’t have a dog. On each of three Amazon listings I read about forty of the most recent high-star and forty of the most recent low-star reviews, about 250 in all, and summarised them the same way as every review on this site. That’s a sample, not a census, and most ratings have no written review. Star percentages are Amazon’s published figures. Nothing here is sponsored. The Amazon links on this page are affiliate links: as an Amazon Associate I earn from qualifying purchases, at no extra cost to you.
A nail grinder files your pet’s nails down with a small spinning bit instead of cutting them, which owners of nervous dogs often find easier than clippers. The three here are among the most popular on Amazon, with about 20,000 ratings between them, and they take three different approaches: a quiet grinder with lights and a full kit, a slim “silent” grinder, and a power-tool brand’s model.
These dog nail grinder reviews compare LOPSIC, Silent Groom Pro and Dremel PawControl side by side: what owners love about all three, the trade-off between quiet and power that separates them, and four checks that apply whichever you choose.
| LOPSIC S5 Pro | Silent Groom Pro | Dremel PawControl 7760 | |
|---|---|---|---|
| Ratings | 10,906 | 8,020 | 1,031 |
| Average | 4.4 | 3.8 | 4.4 |
| 5 star | 73% | 55% | 72% |
| 1–2 star | 7% | 22% | 9% |
| On Amazon since | Jun 2023 | Aug 2025 | Not shown |
| Speeds | 3 | Several (number not stated) | 4 |
| Guard | Cap with small, medium and large openings | Guard with small, medium and large openings | Clear guard at 45 degrees, three positions |
| Also in the box | 3 bits, clippers, dust cap, bag | Charging cable, manual | 9 sanding accessories (7760-PET kit) |
| Battery, by the listing | About 12 hours | About 8 hours | Not stated |
| Warranty, by the listing | 2 years | Not stated | 2-year card |
| Biggest low-star theme | Stopped working or charging | Not as quiet as advertised | Stopped working or charging |
| Full review | LOPSIC | Silent Groom Pro | Dremel |
| Listing and price | On Amazon | On Amazon | On Amazon |
Ratings, averages and star shares are from each listing when I checked it, between 15 and 17 October 2026.
What owners love about all three
Nervous pets finally allow a trim. On every listing, owners describe pets that fought clippers accepting a grinder. A LOPSIC owner’s dog that had fought trims for four years accepted it the day after it arrived. A Silent Groom Pro owner describes a cat that usually fights trims relaxing in their lap. A Dremel owner trimmed a thunder-shy dog’s nails for the first time in eight years.
Fewer trips to the vet or groomer. LOPSIC and Dremel owners describe no longer paying someone else to do the nails, including a reactive dog that now falls asleep during LOPSIC trims and a wiggly dog the Dremel’s guard made manageable.
A slow introduction works. The happiest owners in all three sets of dog nail grinder reviews went slowly, with treats: grilled chicken after each nail, cheese each time the dog touched the grinder with its nose, or a lick mat during the trim.
The trade-off: quiet or power
Two of the listings sell their grinder as whisper-quiet, and owners of all three say the motor is quiet when it’s running. The difference shows when the bit touches the nail, and it lines up with power. Here is how the low-star reviews I read split:
| Low-star theme | LOPSIC | Silent Groom Pro | Dremel |
|---|---|---|---|
| Not as quiet as hoped, or too much vibration | About a quarter | About half | About one in five |
| Too weak or too slow | About one in five | About a third | Rare |
| Stopped working or charging | More than a third | Rare | About half |
In these dog nail grinder reviews, one Silent Groom Pro owner put it plainly: the noise is lower because the power is lower. The Dremel sits at the other end, praised for power on big, thick nails but louder at its top speeds. LOPSIC falls between them, and it’s the one where owners of big dogs split most evenly.
LOPSIC: the middle ground
LOPSIC’s S5 Pro is the most-reviewed grinder in these dog nail grinder reviews and comes with the fullest kit: three bits, a pair of clippers, a dust cap and four lights that help owners see the quick. Its owners include a groomer who calls it the quietest grinder in their salon, and owners of an 80-pound pit bull and three large bully mixes, done on high speed.
Worth knowing: more than a third of its low-star reviews describe a grinder that stopped working or holding a charge within weeks to about six months, and owners of a ridgeback and other large dogs found it too weak. The LOPSIC review has more.
Silent Groom Pro: gentle on small nails
Heusom’s Silent Groom Pro is the newest here, and its happiest owners have cats and small, nervous dogs: a cat that relaxed in her owner’s lap, an older cat whose nails get stuck, a Shih Tzu that now allows trims. A veterinary technician sums it up: gentle enough for a puppy that fought a Dremel, but low on power, so best for small dogs, white nails and maintenance.
Worth knowing: it has the lowest average of the three, and about half of its low-star reviews say it isn’t as quiet as its name suggests. Owners of 45- to 70-pound dogs describe stalling and very slow progress. The Silent Groom Pro review has more.
Dremel PawControl: power for big nails
Dremel’s PawControl is a cordless rotary tool with a clear guard that holds the nail at 45 degrees. Owners of big dogs are its biggest fans, including one who did a 60-pound poodle’s thick black nails in under five minutes, and groomers use it too. Its experienced owners advise the slowest speed and short passes, so the nail doesn’t heat up.
Worth knowing: several owners say the guard’s third position, where the manual says to start, stops the disc from spinning, and one says Dremel is working on a fix. About half of its low-star reviews describe a unit that stopped working or charging, and it charges by USB cable with no wall plug. The Dremel PawControl review has more.
Four checks before you buy
1. Match the grinder to the nails. It’s the clearest lesson in these dog nail grinder reviews. Small dogs, cats and regular light touch-ups suit the gentler grinders; big dogs with long, thick nails need the power. Whichever you choose, clipping very long nails first saves time.
2. Test it in the return window. On two of the three listings, a unit that stopped working or charging is the biggest low-star complaint. Use it a few times, try every speed and check the guard settings while you can still send it back. Two of the listings mention a two-year warranty, so keep your order details.
3. Introduce it slowly. Let your pet sniff it switched off, then hear it, then feel it on one nail, with treats at every step. Even so, some pets won’t accept any grinder; low-star owners on every listing describe pets that refused it. For the basics, including how to find the quick, the American Kennel Club’s guide to trimming your dog’s nails has a section on grinders.
4. Grind in short touches. Owners of all three mention heat, from the grinder itself or from the nail. The Silent Groom Pro listing suggests two or three seconds at a time; Dremel owners recommend moving between nails rather than staying on one.
For shedding, see the best dog grooming vacuum guide, or browse more pet reviews.
The reviews behind these dog nail grinder reviews
A selection of the reviews these dog nail grinder reviews lean on, five per listing, by rating and month posted, so you can find them. Votes are noted only where there are several. No names and no quoted text; these are my summaries. Each full review has its own table.
| Listing | Rating | Posted | What it reports |
|---|---|---|---|
| LOPSIC | 5 star | Sep 2026 | A dog that fought trims for four years; first grinder quiet enough to work |
| LOPSIC | 5 star | Sep 2026 | An 80-pound pit bull; the motor kept going under pressure |
| LOPSIC | 5 star | Sep 2026 | A groomer; quietest in the salon; the light shows the quick |
| LOPSIC | 3 star | Sep 2026 | The motor is quiet, but grinding is loud and vibrates up the foot (2 votes) |
| LOPSIC | 1 star | Sep 2026 | Five months of twice-monthly use, then it won’t turn on (2 votes) |
| Silent Groom Pro | 5 star | Sep 2026 | An older cat whose nails get stuck; quiet and easy (18 votes) |
| Silent Groom Pro | 4 star | Oct 2026 | A vet tech; gentle enough for a puppy that fought a Dremel; low power (8 votes) |
| Silent Groom Pro | 3 star | Sep 2026 | Quieter because it has less power; fine for a small dog kept trimmed |
| Silent Groom Pro | 2 star | Sep 2026 | Quiet but slow; stalls on a 45-pound dog’s nails |
| Silent Groom Pro | 1 star | Sep 2026 | Not as loud as a Dremel, but the same vibration; three 70-pound dogs ran off |
| Dremel | 5 star | Jun 2026 | A 60-pound poodle’s thick black nails in under five minutes (2 votes) |
| Dremel | 5 star | Jul 2026 | A thunder-shy dog trimmed for the first time in eight years |
| Dremel | 5 star | Jul 2026 | Motor fairly quiet, but sensitive dogs hate the vibration (8 votes) |
| Dremel | 3 star | Jul 2026 | No charger; guard position three unusable; Dremel aware (5 votes) |
| Dremel | 1 star | Feb 2026 | Stopped charging; the warranty replacement quit too (7 votes) |
Common questions
Which is the quietest?
In these dog nail grinder reviews, owners call all three quiet while running, and none is silent on the nail. The Silent Groom Pro has the largest share of noise complaints in its low-star reviews, despite its name.
Which is best for a large dog?
Across these dog nail grinder reviews, the Dremel gets the most praise for power on big, thick nails. LOPSIC works for many big dogs on high speed with its coarse bit; the Silent Groom Pro struggles.
Which is best for a cat?
The Silent Groom Pro has the most cat owners among its fans. LOPSIC and Dremel owners mention cats less often.
Do any include clippers?
LOPSIC’s kit includes a pair of clippers, which helps on long nails. The other two don’t.
Do they come with a wall charger?
All three charge by USB. Dremel owners note it comes with a cable but no wall plug.
Star percentages are Amazon’s published figures at the time of writing and will drift as new ratings arrive. Patterns above are summarised in my own words from samples of the written reviews available on each listing, which are smaller than each listing’s full review count and much smaller than its total ratings. Product images are from the manufacturers’ listings. Specifications, pricing and availability change; check the listings for current details.