An equity calculator, a solver and a trainer can all display impressive numbers while answering different questions. Start with the question you need to answer, not the product with the most features.
Five useful categories, five different jobs.
Equity calculator: how often do these hands or ranges win at showdown?
You supply cards, ranges and any known board. The result describes showdown equity for those inputs, not automatically the value of calling when later betting remains. Equilab's official introduction is one example of this category. An opponent's entered range is still your assumption.
ICM calculator: how does this payout model value the stacks?
An ICM calculation uses the remaining stacks and payouts to estimate prize equity under its model. It is not a cash-out offer or, by itself, a full strategy for the next hand. See ICMIZER's model explanation and this site's worked tournament-equity guide.
Solver: what strategies does a specified game model produce?
A solver works within the configured game, including allowed actions, sizes, ranges and objective. A well-computed result for the wrong situation can still be the wrong reference. The PioSOLVER documentation and HoldemResources documentation provide official starting points for understanding setup rather than only looking at the output.
Solution library: which previously calculated spot am I looking at?
A stored solution saves setup work but still needs to match the hand. Check the format, positions, stack depth, ante and action sequence. GTO Wizard's official product overview distinguishes pre-solved material from custom solving. Availability within a particular subscription needs to be checked with the provider.
Trainer: can I practice against this reference?
A trainer compares choices with its reference. Treat the score as feedback within that exercise, not independent proof of broad poker ability. Before drilling, learn which game and solution the exercise uses and how errors are scored.
Try the smallest tool that addresses the uncertainty.
For an unclear call price, a pot ledger and ordinary arithmetic may be enough. For a question about showdown equity, compare clearly specified ranges. For a payout question, inspect the stacks and prizes before asking a tournament model. For strategic comparisons across future actions, read the model's setup requirements first.
When the uncertainty is “I do not know the opponent's range,” a more expensive subscription does not make that range observed. Try explicit alternative assumptions rather than reporting one output as the truth.
Use a buying check, not an unsupported ranking.
Identify one repeatable study task and confirm that the product supports its exact game, operating system and required features. Check the provider's current access limits, renewal terms, cancellation process and trial conditions. Do not rely on prices or feature claims copied into an old comparison article.
Try a small example whose arithmetic you can check. Learn what you can save or export and whether an explanation remains understandable without a screenshot of colored cells. Choose no subscription when the documentation or existing free exercises already meet the need.
Read the assumptions alongside the answer.
Record the starting pot, stacks, ranges, available actions, payouts where relevant, and any convergence or approximation information the product supplies. GTO Wizard's explanation of solvers discusses why the game tree is a modeling choice. A displayed decimal does not eliminate a mismatched input or an omitted action.
This is a category guide, not a hands-on product test or an accuracy certification. Public documentation was read for scope; paid software and calculation quality were not independently tested for this article. The software directory keeps provider links and access labels together.
Keep the study session separate from the playing session.
PokerStars Live's published rules prohibit strategy software, charts and qualifying AI assistance at the table, including assistance relayed by spectators. Other operators have their own restrictions. Use these resources after play and check the actual operator's current policy.
Complete one resource-check sheet: the question, inputs, answer, remaining uncertainty and next step. A reproducible small study is more useful than collecting tools you cannot yet explain.
Sources and scope
PokerStrategy: Equilab; ICMIZER: ICM model; PioSOLVER: quick start; HoldemResources: documentation; GTO Wizard: product scope; GTO Wizard: solver models; PokerStars Live: permitted use.
Public reference pages checked October 8, 2026. Planning suggestions and fictional examples are original educational material. Confirm current event details with the organizer; provider documentation is not an independent product test.
Published . Prepared with AI assistance. Examples are fictional, not personal tournament accounts. Use these guides before or after play, not as assistance during a live hand.