Pepetools Helix vs Sunstone Zapp Plus 2

On paper these two are twins: 1–30 J, one weld per second, a 72-inch stylus, about two pounds (2 lb and 1.9 lb), shaded glasses in the box, 3 years of warranty, both made in the USA. The Helix wins on the day's price: $1,499 on sale against $1,699. Take the sale away (Pepetools' crossed-out price was $1,999) and the Zapp Plus 2 is the cheaper one. The real differences are in the hand: three buttons and a digital readout on the Helix, a dial with a lock on the Sunstone. And in what comes after: Sunstone sells a ladder of optics and a training university; Pepetools sells a folding darkening screen for $449 to $499 and answers the phone seven days a week, it says.

Pepetools Helix: 1 to 30 joules in single-joule steps, one weld per second, 3,300 µF capacitor; controls: three buttons and digital readout. Sunstone Zapp Plus 2: 1 to 30 joules, 30 settings on one dial, one weld per second; controls: dial with a lock. For bracelets, anklets and necklaces you spend your day at the low end of the range, on fine jump rings (Everlinx's own strength test used 22 gauge): a low starting point and small steps matter more than the top figure. A welder with no published joule range can still weld; you just can't compare it on paper.

Pepetools Helix: shade 5 protective glasses in the box; folding darkening screen: $500 option, $449 to $499 separately; training: quick start guide; Pepetools says its techs answer 7 days a week for training and technical help. Sunstone Zapp Plus 2: shaded safety glasses in the box; Basic ADL, Upgraded ADL, PJ Scope or 5x arm microscope sold separately; training: operator's guide and Sunstone's US-based phone and text support; no course in the price. A pulse arc weld is a bright flash a few inches from your face. Shaded glasses do the job; a screen that darkens for each weld lets you see the ring before and after without lifting anything.

On November 13, 2026, Pepetools Helix was $1,499 and Sunstone Zapp Plus 2 $1,699, each on its brand's own US store. That is $200 between them. Warranty: Pepetools Helix, 3 years or one million welds, whichever comes first; a replacement machine is sent overnight if phone support can't fix it; Sunstone Zapp Plus 2, 3-year manufacturer warranty; optional paid "forever warranty" plan (Sunstone Circle). Returns: Pepetools Helix, 30-day policy; "in some instances, items are subject to a restocking fee of 25%" (Pepetools refund policy); Sunstone Zapp Plus 2, 30-day return policy with a 10% restocking fee; refunds are paid by check (Sunstone refund policy).

Pepetools Helix weighs 2 lb and plugs into a wall outlet; argon: works without argon; on-demand argon flow through the stylus when you add a tank. Sunstone Zapp Plus 2 weighs 1.9 lb and plugs into a wall outlet; argon: argon-ready: 7 ft of argon tubing in the box, tank and regulator sold separately. Neither price includes chain, pliers or a course: add them to your budget.

Full reviews: Pepetools Helix review and Sunstone Zapp Plus 2 review. Both appear in our ranking of permanent jewelry welders, permanent jewelry machine, permanent jewelry welder for beginners, cheap permanent jewelry welder, mobile permanent jewelry.

Other head-to-heads: Pepetools Helix vs Sunstone Zapp, Pepetools Helix vs Everlinx EVERARC, Everlinx EVERARC + EVERSHIELD vs Pepetools Helix, Sunstone Zapp Plus 2 vs Sunstone Zapp, Sunstone Zapp Plus 2 vs Sunstone Orion mPulse, Sunstone Zapp Plus 2 vs Everlinx EVERARC.

Still deciding what you need? Read do you need argon.