The Doxy Bullet has incredible strength. Vibration strength is the Doxy brand’s specialty – they also make the strongest wand vibrator I’ve tested (the Doxy Die Cast). Its enormous strength makes the Doxy Bullet appealing to those who crave intensity.

But with only 2 power levels, its lowest setting is already very intense at 7.5 out of 10 vibration strength. It provides no gentle settings for those who need a warmup.

While testing the Doxy bullet, I had to use gentler bullets initially, then switch to the Doxy once I was ready for more power. I think most people will agree that the starting level is too intense.  This is the main reason I recommend the Doxy Go instead – it has 5 settings, reaching the same top strength as the Doxy Bullet while also including gentle and moderate warmup levels. Note that we tested the Doxy Go as a wand vibrator so scores between the two reviews are not directly comparable. Read about how these compare below.

There are other bullet vibrators at this price point that achieve high strength but also include some lower levels that are better for warming up. The Blush Limited Addiction matches the Doxy’s top strength but also offers more moderate starting levels (though still nothing super gentle), which can be less jarring in that warm-up phase.

Or the BMS Swan Maximum is an even more powerful bullet with a broader power range, but I find it less comfortable to hold, so I prefer the Limited Addiction personally.

The FemmeFunn Ultra Bullet is one of the most powerful bullet vibrators I’ve tested. It has a good range for those who prefer mid-strength to extreme vibration power.

The lowest level starts at a 4.5 out of 10 vibration strength. This power is effective yet gentle enough that it doesn’t feel overstimulating. It’s a versatile mid-strength setting I can comfortably enjoy as a warmup. Or I can make it feel more intense by adjusting my pressure. Many high-powered bullet vibrators like this do not have a soft enough starting level, so I appreciate this about the FemmeFunn Ultra Bullet.

If you need especially gentle warmup levels, consider the BMS Swan Maximum or Pillow Talk Racy. But most people will find the Ultra Bullet’s starting level comfortable.

The second power level hits an 8 out of 10 vibration strength, which is quite a jump – nearly twice as strong. But after I spend some time warming up on that first power level, I’m ready for the intense second setting. 

The FemmeFunn Ultra Bullet’s final intensity level reaches 9 out of 10 vibration strength, which I consider extreme. Only a couple bullets, like the BMS Swan Maximum, reach a more intense strength, but few people will want more power. I rarely even use the FemmeFunn Ultra Bullet’s top setting (I typically finish on the second level), but power queens will love it.

Since most people prefer rumbly vibrations, we rate these bullets higher than buzzy ones. However, your preferred vibration frequency is just that – a personal preference! I often enjoy a neutral or moderately-buzzy feeling bullet myself!

However, buzziness combined with extreme power typically feels overwhelming and uncomfortable to me. And that’s exactly what the Doxy Bullet is: extreme in both power and buzziness.

The Doxy Bullet’s first setting falls in the moderately buzzy range. Some days, I still find this first buzzy setting overwhelming, even after warming up with a gentler bullet first. The second setting is extremely buzzy and super intense. While some people might enjoy that much buzzy strength, it’s too much for me and is hard to use.

If you prefer rumbly vibrations, consider a different bullet. The We-Vibe Tango X is the most rumbly bullet I’ve tested – all 8 of its power levels are extremely rumbly. Or if you enjoy some buzziness, but not too extreme, the Lovense Ambi is excellent. It ranges from extremely rumbly on low to moderately buzzy on high. But because it’s not so far along the spectrum, I enjoy its buzzy settings.

We rate vibrations that are rumbly higher than those that are buzzy because it’s what most people prefer. However, others prefer buzzy vibrations, so consider what you enjoy!

The FemmeFunn Ultra Bullet only has passable rumbliness because just the first power setting is in the rumbly range. The two higher powers are buzzy. I personally enjoy moderately buzzy vibrations – especially in a bullet vibrator. So I love the FemmeFunn Ultra Bullet. It’s all based on your personal preference.

Powerful, buzzy vibrations tend to feel especially intense. So, if you’re unsure whether you prefer rumbly or buzzy but know that you like intensity, this could be the perfect choice! 

If you enjoy rumbly vibrations more, you’ll prefer the We-Vibe Tango X, though it is a bit more expensive. If the cheaper original We-Vibe Tango is available, snatch that up because it’s no longer in production but is the most affordable bullet with powerful, rumbly vibrations.

The Doxy’s precision level is medium. It does have a tapered tip for more precise stimulation, but it’s a pretty thick bullet. I enjoy this combination of a fine tip and thicker bullet for the versatility. You can use the very tip for more focused stimulation. And then, you can angle the Doxy Bullet to press the side against you for slightly broader stimulation.

The We-Vibe Tango X, the Blush Limited Addiction, the FemmeFunn Booster Bullet, and the Je Joue Classic are some bullets with similarly versatile precision but better performance overall.

Whether you enjoy pinpoint or broad stimulation is entirely a personal preference.

The FemmeFunn Ultra Bullet is between broad and focused stimulation. Its tip is nearly an inch wide, which is broader than most bullets with lipstick-shaped or tapered tips (like the We-Vibe Tango X or Nasstoys Intense Travel Vibe Mini). However, it’s more focused than palm vibrators like the We-Vibe Touch X or Dame Pom.

The FemmeFunn Ultra Bullet also has a rounded tip, making it feel slightly broader than a typical bullet. This is useful and comfortable if you prefer firm pressure because it’s less pokey than pointed tips. You can also use the side of the bullet to disperse the vibrations a bit.

The Doxy is a nice size to grip and easily leverage. But it’s one of my worst bullets for feeling the vibrations in my hand. It’s one of the main reasons I don’t reach for this toy. I can only hold it briefly before the hand vibrations become unbearable.

It has one button on the end of the bullet to cycle through the two power levels and all the patterns. It’s not ideal for quickly finding your favorite setting. I prefer the Doxy Go, Je Joue Classic and We-Vibe Tango X’s multi-button system, which lets you increase and decrease power using separate buttons to make quick, easy adjustments.

Or the Lovense Ambi, which only has one button on the toy itself, but lets you make fine-tuned adjustments through the app. Not to mention the ability to design your own custom patterns in the moment.

The FemmeFunn Ultra Bullet is very comfortable and fairly easy to adjust the settings. The flexible core makes the pressure against your body feel plush despite its firm tip. And even though the form is not rigid, it’s easy to slide a finger near the tip to apply more pressure.

If you use your fingers near the motor, the vibrations travel into your fingers, but it’s not distracting unless you’re particularly sensitive to this. The Ultra Bullet’s comfortable width and above-average length make it easy to grip and maneuver wherever you want.

The FemmeFunn Ultra Bullet uses one button to cycle through the 3 intensity levels and all 17 vibration patterns. I prefer toys with separate controls to move forward and backward through settings. But the Ultra Bullet’s one-button system is much more user-friendly than most one-button bullet vibrators. Here’s why:

The FemmeFunn Ultra Bullet has a memory system. This means if you turn the toy off after using a pulsing pattern, it will start again on that pulsing pattern when you turn it back on. That way, you don’t have to tap the button 10+ times to return to your favorite setting.

But it also makes it easy to return to the softest steady vibration. After turning the toy on and automatically returning to the most recently used setting, the next button click will bring you back to the lowest power level. 

This makes it easy to return to my warmup intensity when necessary. Then, I can work my way back up. So it’s set up with the natural rhythm your body wants to take and saves you from another slew of taps to get back around to the start again. 

It’s still not as convenient as bullets with separate buttons to change power and move through patterns, like the We-Vibe Tango X. But the FemmeFunn Ultra Bullet’s unique system makes it much better than other one-button cycling bullets I’ve tried.

Unfortunately, the vibes that travel into my hand make the Doxy Bullet very distracting during sex. The sound is also a downfall – it is the loudest of my bullets and just takes me out of the mood. The hard, aluminum surface also gets pressed uncomfortably into my body during sex. For those who care about using their bullet during sex, I recommend other options.

If you prefer strong, neutral to buzzy vibrations, consider the FemmeFunn Booster Bullet or Lovense Ambi. Or if you like rumbly vibrations, consider the We-Vibe Tango X. Each is better during sex than the Doxy Bullet.

The FemmeFunn Ultra Bullet is fantastic during sex. It’s a great size to leverage without bumping into your partner and fits easily into tight spaces. 

The flexible form is beneficial when there’s a lot of movement because it moves along with your body instead of bumping against your pubic bone. So it stays comfortably in contact with your clit, providing excellent stimulation.

The Doxy is my loudest bullet vibrator. During our testing, it was audible from behind a closed door on all settings. This is the only bullet vibrator we tested that was still audible after turning on a box fan in the bedroom. Only loud music was able to drown the sound out. So it’s not a great choice if you have housemates.

And even if there’s no need for discretion, the sound is just plain distracting. Any other bullet you might be eyeing on my list will be better because none of the others bother me like the Doxy Bullet. Doxy’s mini-wand reaches the same top strength while remaining much quieter.

The We-Vibe Touch X is the quietest if you prioritize discreet sound levels with decent power. And the Lovense Ambi and Je Joue Classic are other strong options that are both completely inaudible from behind a closed door on all power levels.

The FemmeFunn Ultra Bullet is reasonably quiet. The decibel measurements we recorded for the FemmeFunn Ultra Bullet were softer than average. 

We also test whether someone on the other side of a closed bedroom door can hear the vibrator. My partner could not hear the FemmeFunn Ultra Bullet on low or medium strength. On its highest setting, my partner thought he could barely hear it. But this was his note: “I had to listen very closely and wait for any sounds outside to become extremely quiet. Even then, I could just barely make it out occasionally. I doubt anyone would actually hear it in normal use.” 

Considering it’s one of the most powerful bullet vibrators I’ve tested, the Ultra Bullet’s noise performance is pretty good. And to be safe, you can turn on a box fan or play music in the bedroom to ensure no one will hear it.

I’m also pretty sensitive to noise, and the Ultra Bullet’s sound doesn’t bother me at all. So, it’s a safe option if you’re distracted by sound.

The Doxy Bullet has a reasonable battery life, lasting about an hour and a half on high power.

However, several better bullet and mini vibrators last just as long or longer, including the We-Vibe Touch X, We-Vibe Tango X, and the FemmeFunn Booster Bullet.

The FemmeFunn Ultra Bullet is rechargeable and lasted 85 minutes, constantly vibrating on high power during our testing. This is great for a bullet of this immense strength. I frequently forget to charge between uses, and it still has plenty of remaining battery.

The Doxy Bullet has a quality build. The metal construction feels very sturdy. The aluminum body is smooth and elegant. And the silicone button feels quality and not cheap.

But given the other deal-breakers I’ve mentioned about the Doxy Bullet, I’d choose another high-quality option, such as the We-Vibe Touch X, the We-Vibe Tango X, or the Lovense Ambi.

This bullet has a great build quality. The body-safe silicone is smooth yet has a slight, comfortable grippiness to it that I enjoy. The ABS plastic frame beneath the silicone feels solid. The flexible areas feel a little squeaky but seem sturdy, and I’m not afraid they’ll break when I’m applying pressure.

The Doxy Bullet is very easy to clean. It’s IPX7 waterproof (completely submersible), so you can wash it in the sink and use it in the bath.

This FemmeFunn Ultra Bullet is IPX7 waterproof. This means you can completely submerge it, making it easy to clean. Just wash in the sink with soap and warm water.