Theragun Prime vs Theragun Mini

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The short answer

If the gun lives at home and the targets are glutes, quads, hamstrings or a lower back, buy the Prime. If the gun lives in a bag and the targets are calves, forearms and shoulders between meetings or after a run, buy the Mini. If you want a Theragun mainly for gentleness and simplicity — for an older parent, thin skin, a sensitive area — the Reliefis cheaper than both and closer to what you actually want. And if you do not need the brand at all, a budget gun that publishes its numbers does the Prime’s job for a fraction of the money, which is the comparison we end on.

What Therabody publishes for each, checked on 17 September 2026

We fetched all three current US product pages on the same day and copied down exactly what is on them. It is less than you would expect, and the absences matter as much as the numbers.

Three things stand out. First, the Mini page is the only one of the three that publishes a speed range in percussions per minute; the Prime page says “five speeds” and no more. Second, none of the three publishes amplitude, stall force or noise on the page you buy from — the same gap we document across the range in cheap vs expensive massage guns. The 16 mm stroke Therabody quotes for the Prime in its wider material is not on its product page, and the Mini’s stroke is not stated anywhere we could find, which is the honest answer to “how much depth do you give up.” Third, the Mini ships with more attachments than the Prime, which tells you the attachment count is a packaging decision and not a measure of anything.

Where the Prime is the right Theragun

• Thick muscle. The long stroke Therabody quotes is the reason to buy a Theragun at all, and it is the Prime that has it. A short body has to give up stroke somewhere, and Therabody does not say where the Mini gives it up.
• Pressure feedback.The Prime’s real-time pressure display is the single feature that stops the most common mistake with any gun, which is leaning on it as if more force were more result. The Mini and Relief pages do not claim it.
• Reach.A full-size handle gets you to your own glute and the top of your own back. The Mini’s short body does not, and its own con in our registry is exactly that: you cannot reach your own mid-back with it.
• Speed steps.Five speeds against three. Not a big deal in practice — most people use two — but the low end matters on a sensitive area and the Prime has more room below its top setting.

Where the Mini is the right Theragun

• It goes with you. 0.40 kg and roughly the size of a large hand, with a travel lock so it does not switch on in a bag and a soft case in the box. This is the whole reason it exists, and no full-size gun competes on it.
• Battery.150 stated minutes against the Prime’s 120, and the Prime page adds that its figure was tested at the lowest speed. A travel gun that lasts a week of short sessions between charges is worth more than a home gun that charges beside the bed.
• Small muscle, small head.Forearms, calves, the top of a shoulder — the Mini is easier to steer on a small target than a full-size gun, and precision matters more than depth there.
• It is quieter to live with.Not a published claim — Therabody does not state decibels for any of the three — so we will only say a smaller motor is generally a quieter one, and leave it at that.

Where the Relief fits, and why it is cheaper than both

Therabody describes the Relief as its gentlest level of percussive massage, with one-button control and no speed range stated, and it is the lightest of the three at 1.37 lb with the same three attachments as the Mini. It sits a price tier below both; the live prices are in the cards. It is not a compromise version of the Prime; it is a different product for a different buyer — someone who wants percussion without the aggression, does not want to pair anything to a phone, and would rather a simple gun they use than a capable one they avoid. That is the older-hands, thin-skin, sensitive-area buyer, and for them the Relief beats the Prime outright. We go through that case in the best massage gun for seniors. For a lifter or a runner with thick, sore legs, it is the wrong Theragun.

Which one, in one line each

• One gun, at home, ordinary sore legs and back: the Prime. It is the Theragun most people should buy, and its case against the more expensive Pro is in Theragun Prime vs Pro.
• A gun that travels, or a second gun for the gym bag: the Mini. Its rival at a third of the price is the Bob and Brad Q2, compared in Theragun Mini vs Bob and Brad Q2.
• Gentle, simple, older hands: the Relief. Cheaper than either and closer to the job.

Whichever you choose, the shared truth is that the numbers most buyers are shopping on — amplitude, stall force, noise — are not on any of the three pages you would buy from. The specs above are the ones that are, copied on the date stated, and we will update this page if Therabody publishes more. If you want a travel gun and are not wedded to the brand, the best massage guns for travel ranks the Mini against everything else that fits a bag.