21 dage med EMS Booty Trainer · Annas dagbog
💗 TRUE CUSTOMER DIARY · Save 150 DKK · Only this week
21-DAY DIARY

"I used an EMS trainer for 20 minutes a day for 21 days. Here’s what happened"

No squats. No gym. Three weeks on the couch. A 34-year-old mother of two tests something that sounded too good to be true.

A
Anna L. · Verified customer at Gymfit
Published April 14, 2026 · 7 min read
⚡ TL;DR
Tried working out at the gym for 5 years with no results. Bought an EMS Booty Trainer on impulse. Used it 20 min/day for 21 days. Mostly in front of Netflix. My favorite jeans fit differently, I can feel my glutes for the first time, and I’ve stopped hating mirrors.

I’ll be honest: I have never had "a butt". I have two kids, an office job, and a relationship with squats that consists of doing 10 at home after a bad evening and then forgetting about it for three weeks.

A month ago I saw an ad for Gymfit EMS Booty Trainer 2.0. My first thought: "classic Instagram scam." My second thought: "but 30-day open purchase..."

Here’s what happened over the next 21 days. I kept a diary every day. Nothing filtered, nothing sponsored. I paid for mine myself.

THE DIARY STARTS HERE
1
Monday · First time

"This can’t possibly be this simple..."

Day 1 EMS Booty Trainer dag 1

The package arrived in two days. Inside was the trainer itself (soft silicone, immediately skin-friendly), a USB cable, an elastic waist belt, and a manual.

The first thing that surprised me: no gel pads. I’ve tested TENS devices before and hated how quickly the gel pads dry out. This one has built-in silicone electrodes. One-time purchase, done.

I fastened it, set the intensity to level 1 out of 6, and pressed start. The first contractions felt like a pulsing kneading. Like someone pressing a thumb into your glute in rhythm. Not uncomfortable. Just… unfamiliar.

Day 1 · first time on Dag 1 första gången med bältet

After 20 minutes the device turned itself off. I stood up. And I swear: I could feel my glutes for the first time in years. Not sore. Just… awake.

"I’m 34, and I just discovered I have glutes."
3
Wednesday · Skepticism tested

My husband asks why I’m staring into the mirror

Day 3 · Netflix routine Dag 3 - Netflix-rutine med bæltet

Three days in. 20 minutes on the couch at 9:30 p.m. while we watched a crime drama. My husband asked what was "buzzing" from my side of the couch. I showed him. He shrugged.

The weird thing: my butt is sore. In the same way you feel after a solid leg workout at the gym. But I haven’t done a single squat.

I read up a bit. EMS (Electrical Muscle Stimulation) has been used in physiotherapy and rehab since the 1970s. It sends electrical impulses directly to the muscle fibers. The difference from regular exercise: you activate deeper fibers that are usually missed.

3/21
Days
60 min
Total time
Level 2
Intensity
7
Sunday · One week done

The first time jeans fit differently

Day 1 Före
Day 7 Dag 7

This is the day I realized it works.

I put on my usual jeans. The ones I’ve had for about two years, and which have always fit "a little loose in the back". They were snug over the glutes.

Not uncomfortably tight. Just… filled them out in a way they haven’t before. I took a photo in the full-length mirror. I compared it with a photo from day 1. The difference was subtle, but real.

I’ve started looking forward to the evening when I put it on. Not because I’m disciplined, but because it’s become part of the Netflix routine. You grab the remote, you grab the Booty Trainer.

⚡ THE FACT BOX
EMS activation recruits both fast-twitch and slow-twitch muscle fibers at the same time. Something you rarely achieve with regular strength training. That’s why you often notice change faster than with traditional exercise.
14
Sunday · Halfway

My sister: "have you started going to the gym?"

Day 14 Dag 14

Sunday lunch at Mom’s place. My sister, who works out four times a week and has always been "the fit one," looks at me and asks if I’ve started going to the gym.

I just laughed. "No. I’ve just been wearing a gadget while I watch TV."

This is the point where I realize it’s not imagination. I’ve moved up to level 4 on the device. The programs alternate between contraction and pulsing. When I choose "Lift," I can feel the muscles working from a completely different angle than when sitting at my desk.

I’ve also started taking the stairs instead of the elevator, which is extremely out of character.

14/21
Days
280 min
Total time
Level 4
Intensity
"I’ve just been wearing a gadget while I watch TV."
21
Sunday · Day 21

The end of the experiment

Day 1 Dag 1
Day 21 Dag 21

Three weeks. 21 sessions. 420 minutes total use. These are the results:

+2cm
Glute circumference
21/21
Days in a row
0
Squats done

What I didn’t expect: the change in how I feel about myself. Not "wow, I have the perfect butt now." More like "I’ve actually had glutes all along, they were just never activated."

I’m continuing. Not 21 days in a row, but 4-5 times a week, in front of the TV. It’s so low-effort that it would be silly not to.

Booty Trainer flat lay
CONCLUSION

Would I recommend it to a friend?

Yes. But not to everyone. It’s not a miracle cure. It’s a tool that removes the most common reason glute training fails. Not having time, not liking the gym, or giving up after two weeks. Build it into your Netflix routine, and you’ve already won.

Gymfit EMS Booty Trainer 2.0
⚡ The one I used · still on sale

Gymfit EMS Booty Trainer 2.0

Top rated booty trainer 2026 · 30-day open purchase

295 DKK 445 DKK −33%
  • EMS activates the muscles deeper than regular exercise
  • 6 training programs · choose a level from beginner to advanced
  • 20 min/day, hands-free on the couch or in the kitchen
  • Built-in silicone electrodes · no gel pads to replace
  • USB charging · CE certified · 30-day guarantee
Order for 295 DKK →
✓ Free shipping
✓ Track the package
✓ Klarna
✓ Ships within 24h
Not satisfied within 30 days? Send it back. We’ll refund 100%.

Common questions from readers

Do I need to buy gel pads separately?
No. Booty Trainer 2.0 has built-in silicone electrodes that never need replacing. No ongoing costs.
How long until results?
Most people notice a visible lifting effect within 2-4 weeks with daily 20-minute use.
Does it work under clothes?
Yes, it’s thin and discreet. You can wear it under leggings or sweatpants without it showing.
Who should not use it?
It is not recommended for pregnant women, people with pacemakers, heart problems, or people over 70. If you have questions, consult a doctor.
What if I’m not satisfied?
Return it within 30 days for a 100% refund. No questions asked.
How do I charge it?
Via the included USB cable. A full charge takes about 2 hours and lasts for several training sessions.
295 DKK 445 DKK
Free shipping · 30-day open purchase
Order →