Absolutely — there are a few free tools and apps you can use to practice decision-making in different spots (call/fold/shove/etc.):
• Flopzilla (trial version) — great for range visualization and
equity practice.
• Equilab (free) — lets you run equity vs ranges and learn hand vs range dynamics.
• PokerStrategy Range Trainer (free) — drills you on preflop calls/folds/shoves.
• Cardrunners EV (free sections) — has some good situational drills.
• Upswing Lab (free videos) — not an app, but quality spot analysis.
Also check out:
• Pokerrrr 2 / Poker Cruncher (mobile apps with free modes)
• Binary decision trainers (just Google “poker shove/fold trainer”) for quick button-press practice.