An honest look at every major mock draft simulator, what each does well, and where they fall short.
Updated March 30, 2026
TL;DR: If you want deep prospect scouting grades and don't mind paying, PFF is a strong choice. If you want the most realistic free draft simulation — 32 individually built cognitive GM models that mirror real NFL front offices, multi-team drafting, CPU-to-CPU and user-to-CPU trades, live depth charts, 458 scouted prospects, and a full analytics suite — Big Board Lab is the only tool that combines all of that. If you want clean and simple with a good trade calculator, Pro Football Network or FanSpeak are solid choices.
There are at least nine mock draft simulators competing for your attention this draft season. We've used all of them extensively. Some are great. Some are frustrating. Most are decent but missing something. Here's what we found.
| Simulator | Free? | CPU-CPU Trades | AI GM Personalities | Live Depth Charts | Prospect Grading |
|---|---|---|---|---|---|
| Big Board Lab | ✓ Full | ✓ | ✓ 32 distinct | ✓ Live | ✓ Trait sliders |
| PFF | Partial | ✗ | ✗ | ✗ | ✓ PFF grades |
| FanSpeak | Partial | ✗ | ✗ | ✗ | Custom boards |
| NFL Mock Draft DB | Partial | ✗ | ✗ | ✗ | Consensus |
| Pro Football Network | ✓ Full | ✓ | ✗ | ✗ | Multiple boards |
| StickToTheModel | ✓ Full | ✗ | Needs-based | ✗ | Consensus |
| NFL Draft Buzz | ✓ Full | ✓ | ✗ | ✗ | Own rankings |
| Sportskeeda | ✓ Full | ✗ | ✗ | ✗ | Consensus |
| Mock Draft Hero | ✓ Full | ✗ | ✗ | ✗ | Multiple boards |
Mock draft simulators all do the same basic thing: you pick a team, you make selections, CPU teams fill in the rest. The difference is in the details — how realistic the CPU picks are, whether teams can trade, how prospects are evaluated, and whether you can actually see the impact of each pick on a real roster.
We evaluated each simulator on five things: how realistic the AI drafting behavior is, whether and how trades work, how prospects are evaluated and graded, whether you can see depth chart impact, and how much is free versus paywalled.
PFF has built a strong reputation for prospect scouting grades and detailed stats. Their Scouting Mode lets you build custom evaluations. If you're a serious draft analyst, this is a respected destination for prospect data.
The catch is price. The free tier limits you to three rounds with no trades. Unlocking trades, full seven-round drafts, and the leaderboard requires a PFF+ subscription. The CPU drafting is competent but generic — there's no sense that the Saints draft differently than the Bengals. No CPU-to-CPU trades. No depth chart integration. You're paying for scouting data, not simulation realism.
Best for: Serious prospect evaluation with premium scouting grades. Limitation: Paywalled features, generic CPU behavior.
FanSpeak has been around for years and the experience is polished. The trade calculator uses the Jimmy Johnson chart, which is the same system real NFL front offices reference. Multi-team drafting is available for premium users. Draft grades break down both value and need components clearly.
The free tier is usable but limited. CPU behavior is fine but not differentiated by team. The big board system is flexible — you can import custom rankings or choose from presets. No CPU-to-CPU trades, no depth chart integration. It's a reliable, proven tool that hasn't innovated much recently.
Best for: Proven experience with a good trade calculator. Limitation: Premium lock on best features including multi-team drafting, static CPU behavior.
The consensus big board is the killer feature here. They aggregate mock drafts from across the industry, so the board reflects where the entire draft community thinks each player will go. This makes for realistic drafts even if the CPU AI is basic. The site also offers premium features including scouting reports.
Best for: Consensus-driven drafting with industry-aggregated rankings. Limitation: Some features paywalled, no CPU-to-CPU trades.
Clean interface, completely free, with a solid database selector that lets you choose which big board to draft from — multiple analyst rankings or consensus. They offer sim-to-sim trades, which is a real differentiator. The player info integration is strong enough to research prospects while you draft.
Where it falls short: the trade tool doesn't indicate fairness, and you can't bundle position groups in the prospect view — it's full board or one position at a time. But for free, this is one of the best overall experiences.
Best for: Free, clean experience with multiple board options. Limitation: Trade fairness indicator missing, limited position filtering.
The indie underdog that's earned its spot. Clean design, completely free, with AI they claim is trained on 300,000+ real draft picks. They do a good job presenting scheme fit for each prospect, which helps if you're not deep in the draft weeds. They also publish strategy content — their blog post on mock draft strategy is genuinely useful.
The simulation is solid but CPU teams don't trade with each other. No depth chart integration. Prospect evaluation is consensus-based without custom grading tools.
Best for: Clean free experience with good scheme fit info. Limitation: No CPU-to-CPU trades, no custom prospect grading.
Visually one of the more distinctive simulators. They do offer CPU-to-CPU trades, which is rare. The interface has a lot going on — draft tracker, trade console, prospect scouting panel, all visible at once. For some people this is immersive; for others it's overwhelming.
The rankings are maintained in-house and don't always stay current. You can't tell why teams are trading or what drives their behavior. But the CPU-to-CPU toggle is a legitimate differentiator that adds unpredictability.
Best for: CPU-to-CPU trades with a feature-dense interface. Limitation: Busy UI, rankings can lag behind.
Powered by draft expert Tony Pauline's rankings, which gives it credibility. The trade system works mid-round, which is a nice touch. Three speed options let you control pacing. It's completely free.
The simulation AI is basic. CPU behavior doesn't vary by team in any meaningful way. No depth chart integration. No CPU-to-CPU trades. It does the fundamentals well enough but doesn't push the envelope on realism.
Best for: Expert-backed rankings in a free, simple package. Limitation: Basic AI, no CPU trades, no depth charts.
A sleeper pick that's surprisingly clean. Multiple big board options, easy-to-use interface, completely free. It doesn't try to do too much, which works in its favor — the core drafting experience is smooth.
Limited features compared to the bigger names. No CPU-to-CPU trades, no depth charts, no prospect grading tools. But if you just want a quick, clean mock without a lot of friction, it's worth trying.
Best for: Quick, clean mocks with no friction. Limitation: Fewer features than competitors.
Full disclosure: this is us. We built Big Board Lab because we wanted a simulator that combined serious prospect evaluation with realistic draft behavior — and none of the existing tools did both.
32 individually built cognitive GM models. This isn't generic "AI drafting." Each of the 32 teams has its own cognitive GM that mirrors how the real front office thinks. The Bengals favor the best player available. The Saints are aggressive and reach for needs. The Eagles draft like a dynasty with deep roster depth. Each GM evaluates prospects based on scheme fit, positional value, needs from the team's actual depth chart, and team stage — rebuild, retool, contend, or dynasty.
Trades — both directions. CPU teams trade with each other during the draft. When an elite prospect slides, aggressive teams may trade up to grab them. You can also initiate trades yourself — propose deals to any CPU team and they'll evaluate based on their board and needs. Trade frequency matches real NFL patterns, not every-other-pick chaos.
Formation-style depth charts that update live. Every pick lands on a depth chart that reflects the team's actual roster. You can see exactly where a prospect slots — starter, backup, or upgrade — and how the team's needs shift after each selection. The position mapping is specific: EDGE rushers go to DE slots, not DT. Safeties land at SS or FS. Free agency signings are tracked so depth charts reflect the real current roster.
458 scouted prospects. Every prospect has a full scouting report with strengths and weaknesses, a spider chart of position-specific trait grades, and an overall profile. You can build your big board through pair-by-pair matchups — pick between two players at a time and an Elo system builds your rankings. Then fine-tune with trait sliders: arm strength, burst, coverage instincts, route running, bend, and more. Every pick gets an instant steal/reach/value verdict with letter grades and trade surplus values.
Combine Explorer. Every prospect's measurables compared against 26 years of NFL Combine history. See how a player's 40 time, vertical, broad jump, and other drills stack up against every player who's ever tested at their position.
College stats. Production ranked against 10 years of FBS data, with dominator ratings and breakout year analysis. See whether a player's college production matches his draft stock.
Scheme fit scores. Every prospect is scored for scheme fit against every team. Toggle Scout Vision to overlay any team's evaluation lens onto the entire board — see the draft the way the Cowboys see it, or the way the Lions see it.
Head-to-head prospect comparison. Pull up to four prospects and compare them side by side with combo charts that show exactly where each player is better across every trait.
GM Chat. Ask any of the 32 cognitive GMs about their draft strategy, who they're targeting, how they feel about a prospect's fit with their team. Each GM responds based on its own personality, scheme, roster needs, and draft philosophy.
Team Insights for all 32 teams. Deep team pages with needs breakdowns, free agency impact tracking, scarcity maps showing which positions are thinnest league-wide, and scheme context.
R1 Monte Carlo prediction simulator. Runs 500 iterations of the first round to show pick probability distributions — where each prospect is most likely to land, which teams are most likely to trade, and which picks have the most variance.
Multi-team drafting. Draft as multiple teams in the same mock — control up to all 32 teams if you want. Free, no premium tier required.
Everything else: share cards for your draft results, adjustable draft speed, community ADP, desktop and mobile support. Completely free — no paywall, no signup, no credit card.
Best for: The most realistic draft simulation with 32 cognitive GM models, multi-team drafting, full trade support, live depth charts, and a complete prospect evaluation suite — all free. Limitation: Newer tool still building brand recognition.
It depends on what you care about most.
If prospect scouting grades are everything and you're willing to pay, PFF is a well-established choice.
If you want the most realistic draft simulation — where 32 cognitive GMs each behave like their real-world counterparts, trade with each other and with you, multi-team drafting is free, and you can see every pick land on a live depth chart while exploring 458 scouted prospects with full reports, combine history, college stats, scheme fit scores, and head-to-head comparisons — Big Board Lab is the only tool doing all of that, and it's free.
If you want a proven, reliable experience with a good trade calculator, FanSpeak has earned its reputation (multi-team drafting requires a premium subscription).
If you want free and clean with multiple board options, Pro Football Network or StickToTheModel are both strong.
If you want CPU-to-CPU trades in a more traditional interface, NFL Draft Buzz offers that toggle.
The best answer is probably to try two or three and see which experience clicks for you. They're mostly free. The draft is April 23. You've got time.
32 cognitive GMs. Multi-team drafting. CPU and user trades. Live depth charts. 458 prospects. Scheme fit. GM Chat. Free.
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