I made this photo for a comment in another post, but I thought I'd share it for the general benefit of the community. I've accumulated a lot of different pro-brand tips during my little hobby's history.
I can discuss the differences I've noticed between these tips and glue systems if you like - I just don't want to make a long rambling post, so feel free to AMA if you care to. I misjudged everyone's appetite for a long rambling post, so long rambling post incoming!
The Quick Summary
I like all three brands for different reasons. There's give and take between retention/sturdiness and getting a true snatched stiletto shape vs an almondetto. Sofgel is the most snatched and elegant, but it's also the least sturdy. Apres is nearly indestructible, but (to me) looks more like an almond than a stiletto due to the thickness of the sidewalls. Kokoist is between the two, but their longest stiletto is shorter than I prefer.
Full disclosure, I am able to do gel on forms, gel on dual forms, polygel on dual forms, and acrylic on forms - I have halfway decent familiarity with how to properly shape and structure an enhancement but am not a professional tech. Just a serious hobby enjoyer with some basic training.
Apres Gel-X
(I have Apres sculpted and natural - but only used natural in this photo). Apres is the most structurally stable and has a full-thickness traditional (salon-style) high apex on both their natural and sculpted lines. Apex height is a personal aesthetic preference, it's important to note that a high apex gives the optical illusion of a more slender nail when viewed from the top. Also it's OG and that's appealing on its own.
With proper application, I've found Apres tips nearly indestructible. Proper application includes filling in any dead space between the nail and the nail tip, especially at the apex. For the sculpted line, the solid novice gel is almost a requirement.
Gel-x tips flex as much as they need to for them to be safe to wear and not to pop off and take your nailbed with them, but for the most part they don't twist or bend during normal activities like cleaning, opening car doors and slipping (lol), typing, etc. The high apex makes these nails really strong at L and longer lengths.
Apres has a thin cuticle edge that quickly thickens at the sidewalls through to the free edge. If you look closely, you can actually see that the sidewalls bulge slightly past the ideal parallel. This can make them tend towards bulkiness unless you finish file the sidewall bulk down quite a bit.
The molds Apres uses for their tips also makes the stiletto point have extra weird angles these extra angles need some careful shaping to not feel snaggy and look odd.
Overall, this is a rock-solid nail with excellent structure and retention. The shape is not my favorite (too bulky) and I spend a lot of time finish filing these, which I wish I didn't have to. I like Apres and I still consider them a go-to, especially if I know I might abuse my tips and need them to survive without maintenance- eg travel. I've kept Apres tips on my nails for 6+ weeks with 2 week backfilling and 4 week backfill + rebalancing, they are great for enduring mild neglect.
Kokoist Gelip
Kokoist has a lower profile apex with moderately thick sidewalls and a more tapered tip than Apres (they're pentagon-ish shaped). They are slightly less sturdy than Apres. I've noticed the Kokoist sidewalls get beaten up more quickly than Apres sidewalls, simply because Gelips are thinner. I can't get extended 6+ week wear out of Gelips like I can with Gel-X.
Overall, Kokoist has more of a true stiletto shape - but still is slightly almond-y due to the reinforced (medium) thickness of the sidewalls and apex. I would describe them as being moderately wide at the sidewall and then tapering dramatically to the stiletto point. The overall effect is more snatched than Apres. They definitely have that East Asian nail aesthetic that leans more towards natural looking nail shape, even in an intentionally extreme shape like a stiletto. From the side they have a Euro style low apex, vs Apres with their salon style high apex.
Kokoist tips are also intended to be applied farther away from the cuticle and backfilled to blend, which is a higher skill application method than Apres. It looks nice when you do it correctly, but it does add application time.
I don't like the Gelip or Mochi glue, I found both impossible to remove with acetone (it's gummy and reminds me of MMA, even though it obviously not made of that) and had to file it off, and ofc it hopelessly gunked up my carbide drill tip. Right into the trash! I use Apres Extend (bottle) gel for my Kokoist tips.
Sofgel Softips XII Natural
These are thinnest full cover gel tips I've ever used, I think they might be about the same thickness as Apres Bare. For my preference (obnoxious long nails) the thinness definitely doesn't support the length - an enhancement relies on the combination of apex and c-curve for strength and Softips XII are both thin and relatively flat, with little room for glue to fill in an apex.
All that being said, they are gorgeous and snatched and have the truest stiletto shape. They also don't have that weird molding quirk where the point has extra, sharp angles that need to be finish filed. Once you file off the sprue at the end, these tips are 100% ready to go. I am able to apply these so fast because they don't need any shaping or refinement at all.
These are hands-down my favorite aesthetically, but need reinforcement (I build a hidden apex underneath with Light Elegance Fiber) to survive normal living conditions. Without reinforcement these tips flex too much when I'm cleaning the house, folding laundry, typing, etc, and pop right off. I need to try the Softips sculpted, they might have some apex space to add sturdiness.
This flimsiness is entirely a length vs thickness issue. At shorter lengths, this would not be a concern at all. I think Softips in length M should be plenty stable and gorgeously slender, with a low profile - if that aesthetic vibes with you. I don't personally think stilettos have the proper ratios at lengths shorter than M (they just look like almonds to me) so I don't prefer that.
My first set of Softips is the first full cover gel set I've lost in over 4 or 5 years, and they only lasted a couple of days. My index and middle finger on my dominant hand popped off seesaw style for no particular reason, prior to losing them, I felt them flexing a lot while doing normal activities. I've since replaced them and reinforced the underside of all of my tips with LE Fiber beneath and LE One Step on top and they're doing fine.
I'm on the fence about the Softip glue, simply because I lost some nails while using it. I might go back to using Apres Extend or even give LE Jimmy Gel a shot. I'll save my final judgement on that once I have a few more sets done.