Guide
Free vs paid poker solvers: what you actually get
You can get a real, working GTO solver for nothing. That's not a trick or a crippled demo — an open-source solver will compute a Nash-equilibrium strategy for a postflop spot on your own computer, free, today. So the question isn't whether free solvers work. It's what they don't solve, and whether the game you play is on that list. This guide is written by people who sell a paid solver, so read it with that in mind — but the goal is to help you spend nothing if nothing is what you need.
What free solvers do well
The core algorithm — counterfactual regret minimisation and its descendants — is public research. A competent open-source implementation like TexasSolver runs it well: give it a flop, two ranges, a bet-sizing tree, and it converges to a strategy you can trust for that spot. It has a graphical interface. It runs on Windows, macOS and Linux. For heads-up postflop No-Limit Hold'em, it does the job a solver exists to do. If that's your whole use case, stop reading and go use it.
Free tiers of commercial products are a different animal. They're marketing: a limited slice of a library, or a capped number of solves, designed to show you the interface and then show you the paywall. Useful for deciding whether you like the product. Not a study tool on their own.
Where free stops
The gaps are consistent across free tools, because they're the expensive parts to build and the parts that only some players need.
- Payoff structures beyond the pot. A free solver computes chip-EV: the pot is worth the chips in it. In a progressive knockout, a mystery bounty or a Stand-Up game, that's false — eliminating a player pays extra — and the correct strategy changes materially. No free solver we know of models this. If you play bounty tournaments, a chip-EV solve is a solve of a different game. See the Squid (PKO) strategy guide.
- Multiway pots. Free solvers are mostly built around the two-player case. Tournament flops are routinely three- or four-way, and two-player strategy is systematically wrong there — too many bluffs, too-thin value. Multiway trees are also large, which is where memory efficiency starts to matter. See the multiway pot strategy guide.
- Training. Reading a strategy grid and playing it correctly under pressure are different skills. A trainer that deals hands from your own solves and grades each decision by EV lost is how the second one gets built. Free solvers don't include one.
- Somewhere to run big solves. Full-table preflop and deep multiway trees want more machine than a laptop. A client/server design lets you rent a big box for an afternoon and drive it from anywhere.
- Support and continuity. Open-source projects are maintained until they aren't. That's fine for a tool you use occasionally and a real cost for one you build a study routine around.
The four options, honestly
| Option | You get | You don't | Right for |
|---|---|---|---|
| Open-source, free | A full solver for postflop NLHE, no fees, all platforms. You build every tree and read raw output. | Bounty and Stand-Up payoffs, a trainer, remote solving, support. Multiway and preflop scope vary by project. | Learning what a solver is. Heads-up or short-handed cash. Checking specific flops. |
| Free tier of a commercial product | A taste of a polished interface, usually a slice of a pre-computed library or a capped number of solves. | Custom trees at any scale. The useful parts are behind the paywall by design. | Deciding whether you'd pay for the paid version. Not a study tool on its own. |
| Perpetual desktop licence | Software you own, running on your hardware. Unlimited custom trees. Solves are local files you keep forever. | Nothing recurring, but the up-front cost is real, and you supply the computer. | Anyone who will study for more than a year, plays formats needing custom solves, or wants a trainer on their own sims. |
| Cloud subscription | A large pre-computed library in a browser, no hardware needed, instant answers for standard spots. | Your access — and often your work — ends with the subscription. Custom structures depend on tier. | Standard-structure cash and MTT players who want answers fast and don't mind renting. |
Product specifics change. For any named tool, check its own site for current scope and pricing before deciding.
Own or rent
Among paid options the sharper question is the licence model, not the price tag. A subscription costs less this month and more over any horizon longer than a year or so; a perpetual licence is the reverse. The less obvious difference is what happens when you stop paying. With a desktop licence, the software and every solve you ever ran stay on your disk. With a subscription, your access ends — and in most cases so does your work. For a study tool, that asymmetry matters more than the monthly figure.
IkaSolver is on the perpetual side of that line: $199 one-time for NLHE and the trainer, $1,199 one-time to add Squid (PKO) and Stand-Up solving. No subscription, updates included. We've written up the trade-off in more detail against a subscription product in IkaSolver vs GTO Wizard, and against a free one in IkaSolver vs TexasSolver.
How to decide in ten minutes
- Name your format. Heads-up or 6-max cash, standard MTTs, or bounty tournaments? If bounties are in the answer, free tools solve a different game than yours.
- Count the players on your typical flop. If it's often three or more, two-player solutions will mislead you.
- Ask whether you'll practise. If you know you won't drill spots, a trainer is worth nothing to you. If you will, it's most of the value.
- Try both. Install a free solver. Then open the IkaSolver browser demo — real interface, pre-computed multiway and bounty solves, the trainer, no account — and see whether it shows you something the free tool can't. If it doesn't, keep the free one. That's a fine outcome.
Frequently asked questions
Is there a completely free poker solver?
Yes. TexasSolver is open source and free for personal use, with a GUI and builds for Windows, macOS and Linux. Several commercial products also offer free tiers or demos with limited access. Free tools generally cover heads-up postflop NLHE well; the gaps are multiway, bounty formats, training and support.
What does a paid solver give you that a free one doesn't?
It depends on the product, but the common additions are: solving formats free tools don't model (progressive bounties, Stand-Up, ICM-adjacent structures), multiway pots with full ranges, a trainer built on your own solves, remote or server solving, and ongoing updates and support.
Perpetual licence or subscription — which is cheaper?
A subscription is cheaper for the first few months and more expensive after that; a perpetual licence is the reverse. If you expect to study for more than a year, a one-time purchase almost always costs less in total — and you keep the software and every solve if you stop paying.
How much does IkaSolver cost?
$199 one-time for the NLHE + Trainer licence, or $1,199 one-time for Squid & Stand-Up + Trainer. Both are perpetual, include future updates, and come with 2 licence keys. There is a free browser demo with the trainer that needs no account.
Related: IkaSolver vs TexasSolver · All solver comparisons