Head to head — written by the Mettle team, biases disclosed
TradeSimple pairs a modern journal with AI insights over a large report library and a free entry point. Mettle is built around the layer above the reports: a structured review ritual and a coach that carries context between sessions. Here is the honest split.
At a glance
| Mettle | TradeSimple | |
|---|---|---|
| Built around | A guided per-session behavior-change loop | AI summaries over a broad report library |
| Session review | Structured ritual: emotions, execution self-scores, leak capture | Self-directed review over reports and playbooks |
| AI layer | Cass: ongoing coach with memory across sessions | AI insights summarizing your reports |
| Discipline | Self-reported execution scoring + leak patterns over time | Discipline scoring computed within the journal |
| Backtesting & replay | Not in the Apprentice tier | Built-in backtesting and trade replay |
| Starting price | Free 14-day full-access preview, no card | Free tier available |
Who should choose which
Feature by feature
Mettle: A structured Full Session Review ritual: emotion tags, execution self-scoring, and leak capture on every trade, walked through after each session.
TradeSimple: A modern journal with playbooks and discipline scoring; the post-session reflection is self-directed over reports.
Mettle: Cass, an AI coach grounded in your own journal — she reflects the data you logged, holds the one thing you said you are working on, and writes a read of your day after the close.
TradeSimple: AI-powered insights that summarize what your reports show — useful description, one session at a time.
Mettle: Honest by design: insights are framed as "based on what you reported," never fabricated pattern-mining. No software can see inside your head, so Mettle does not pretend to.
TradeSimple: Discipline and behavior are tracked through scores and tags within the journal’s reporting.
Mettle: Mettle keeps analytics deliberately behavior-focused (BRI score, process metrics, leak patterns) rather than maximizing report count. If you want the widest possible report library, that is a real reason to pick the other tool.
TradeSimple: A large report library with heatmaps and cross-analysis, plus built-in backtesting — genuine breadth for the price.
Mettle: Live broker sync on supported brokers, plus CSV import from any broker with AI-assisted column mapping.
TradeSimple: CSV import from any broker plus manual entry.
A note on pricing
Mettle starts free: 14 days of full access with no card. After that, Apprentice is $19.99/month — $9.99/month founding rate for the first 50 continuously subscribed members.
TradeSimple offers a free tier with paid plans above it; specifics change, so check their pricing page. The structural difference: TradeSimple’s free tier is permanent with capped depth, while Mettle’s preview is full access for 14 days and then asks for a decision.
FAQ
A modern interface, AI-powered insights over a large report library, playbooks, discipline scoring, and a free tier — a strong starting point for a first dedicated journal.
Yes. Export your trades to CSV from TradeSimple (or re-export from your broker) and import them into Mettle — the importer handles any broker's CSV with AI-assisted column mapping, so your history comes with you.
Usually when the summaries are accurate but nothing changes: knowing your stats is not the same as changing the behavior behind them. That gap — between description and coaching — is the layer Mettle is built around.
You should not take it on faith — that is why every section names where the other tool genuinely wins, and the why-switch section runs in both directions. Trial both: log a real week of trades in each and keep the one you actually open every day.
Mettle turns the post-session reflection into a guided ritual and gives you Cass — a coach grounded in your own journal who remembers what you are working on. Free for 14 days, no card.
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