Comparison

Gecko vs TraderSync (2026): Which Trading Journal Fits You?

By the Gecko team · Updated June 2026

Yes, this comparison lives on Gecko’s site, so read it knowing that. We have tried to keep it honest anyway, because the truth is simple: these are different tools built for different traders, and TraderSync is genuinely better for some of you. Here is the real breakdown so you can pick in five minutes.

The short version

TraderSync is a day-trader-leaning journal with auto-sync, trade replay, playbooks, and AI-flagged 'mistakes' on each trade. Pricing runs roughly $29 to $79 per month across its tiers per their site as of June 2026.

Gecko reads your uploaded statements and produces a behavioral diagnosis priced in dollars, with each leak gated by a bootstrap significance test so a flagged pattern is statistically real, not just a flagged trade. Pro is $12 per month with a full-featured free tier, and Gecko never asks for broker credentials.

Side by side

Category	Gecko	TraderSync
Price	Free tier (every feature, last 100 trades), Pro $12/month, cancel any time.	Roughly $29 to $79 per month across tiers per their site as of June 2026.
Setup	Upload a statement, no broker login, first diagnosis in about two minutes.	Auto-sync across many brokers via stored API keys, plus CSV import.
Broker support	Native parsers for Kraken, Robinhood, Interactive Brokers, plus an AI extractor that reads statements from any other broker — no broker is unsupported.	Auto-sync from a wide range of brokers via stored credentials.
Security posture	Never asks for broker credentials. Reads only the statement you upload.	Auto-sync requires storing your broker API keys on their servers.
Behavioral analysis	12 axes, each gated by a bootstrap significance test so a flagged leak is statistically real. Ranked by realized dollar cost.	AI 'mistakes' flagged per trade, plus mistake-tracking analytics aggregated across history.
Trade replay	Not offered.	Included.
Playbooks	Not offered. Notebook for rules and lessons instead.	Built-in playbook tracking against tagged setups.
Customizable dashboard	Drag-to-reorder widgets and eye-toggle their visibility from an in-page drawer.	Customization scope per their site as of June 2026.
Journal screenshots	Attach up to four chart or recap images to each weekly entry; click any thumbnail to expand.	Per-trade chart attachments are a Chartlog strength by design.
Money-back guarantee	7-day money-back guarantee on your first paid period.	Refund policy per their site as of June 2026.
Gecko AI · personal coach	Gecko AI: your personal trading performance coach. Reads your trades, weekly journal, notes, and the goals you set for yourself — then suggests one concrete action for the week and checks in to see if it worked. Catches subtle drifts across months (slipping hit rate, growing after-loss tilt) before they compound. ~25 messages/month free, ~500 on Pro. Powered by Anthropic Claude Sonnet 4.6.	AI-flagged setup detection exists, but no conversational coach you can chat with over your own data as of June 2026.
Light + dark theme	Light and dark themes with a one-click toggle in the sidebar and on every public page.	Light theme primary as of June 2026.
Best for	Active traders who want a statistical behavioral diagnosis priced in dollars.	Day traders who want AI-flagged setups, replay, and playbook tracking in one workflow.
Daily Coach loop	AI pre-market briefing keyed off your actual data, end-of-day check-in (mood + rule + journal) joined with daily P&L, weekly plan-adherence score, mood × performance correlation, AI-written Monday recap email. All in the dashboard, free tier included.	Not offered. A trade-journal log plus reports; no daily AI coaching surface, no EOD check-in, no plan-adherence score, no AI recap email.
Broker auto-sync	Read-only OAuth via SnapTrade on Pro and Unlimited. 20+ brokers supported today — Fidelity, Vanguard, Charles Schwab, E*TRADE, Robinhood, Interactive Brokers, tastytrade, TradeStation, Webull, Public, Alpaca, Tradier, Chase, Moomoo, eToro; plus Kraken and Coinbase for crypto; plus Questrade, Wealthsimple, and Trading 212 for CA/EU. Free tier keeps the always-available statement upload path. Password never crosses Gecko; tokens can be revoked from Settings.	Varies. Some competitors offer broker integrations on paid tiers; others require manual CSV uploads or a TradingView hand-off. See their own table rows for specifics.
Trade Replay + coach commentary	Play any trading day back as an interactive minute-bar chart with entry / exit markers, a 30-minute tilt window shaded on the chart, and a chronological tape weaving your trades with the behavioral alerts that fired. Zoom out to a multi-day chart on any swing position held across sessions — daily bars with entry / exit anchors, continuous across futures contract rolls. Sonnet writes a coach recap plus counterfactual on demand. Covers equities, crypto, and CME futures. Free tier.	Varies. A few competitors ship chart playback of trades on price bars; almost none pair it with a behavioral-alert overlay, a tilt-window band, a swing view for multi-day holds, and an AI-written recap in the same view.

Price

Gecko: Free tier (every feature, last 100 trades), Pro $12/month, cancel any time.

TraderSync: Roughly $29 to $79 per month across tiers per their site as of June 2026.

Setup

Gecko: Upload a statement, no broker login, first diagnosis in about two minutes.

TraderSync: Auto-sync across many brokers via stored API keys, plus CSV import.

Broker support

Gecko: Native parsers for Kraken, Robinhood, Interactive Brokers, plus an AI extractor that reads statements from any other broker — no broker is unsupported.

TraderSync: Auto-sync from a wide range of brokers via stored credentials.

Security posture

Gecko: Never asks for broker credentials. Reads only the statement you upload.

TraderSync: Auto-sync requires storing your broker API keys on their servers.

Behavioral analysis

Gecko: 12 axes, each gated by a bootstrap significance test so a flagged leak is statistically real. Ranked by realized dollar cost.

TraderSync: AI 'mistakes' flagged per trade, plus mistake-tracking analytics aggregated across history.

Trade replay

Gecko: Not offered.

TraderSync: Included.

Playbooks

Gecko: Not offered. Notebook for rules and lessons instead.

TraderSync: Built-in playbook tracking against tagged setups.

Customizable dashboard

Gecko: Drag-to-reorder widgets and eye-toggle their visibility from an in-page drawer.

TraderSync: Customization scope per their site as of June 2026.

Journal screenshots

Gecko: Attach up to four chart or recap images to each weekly entry; click any thumbnail to expand.

TraderSync: Per-trade chart attachments are a Chartlog strength by design.

Money-back guarantee

Gecko: 7-day money-back guarantee on your first paid period.

TraderSync: Refund policy per their site as of June 2026.

Gecko AI · personal coach

Gecko: Gecko AI: your personal trading performance coach. Reads your trades, weekly journal, notes, and the goals you set for yourself — then suggests one concrete action for the week and checks in to see if it worked. Catches subtle drifts across months (slipping hit rate, growing after-loss tilt) before they compound. ~25 messages/month free, ~500 on Pro. Powered by Anthropic Claude Sonnet 4.6.

TraderSync: AI-flagged setup detection exists, but no conversational coach you can chat with over your own data as of June 2026.

Light + dark theme

Gecko: Light and dark themes with a one-click toggle in the sidebar and on every public page.

TraderSync: Light theme primary as of June 2026.

Best for

Gecko: Active traders who want a statistical behavioral diagnosis priced in dollars.

TraderSync: Day traders who want AI-flagged setups, replay, and playbook tracking in one workflow.

Daily Coach loop

Gecko: AI pre-market briefing keyed off your actual data, end-of-day check-in (mood + rule + journal) joined with daily P&L, weekly plan-adherence score, mood × performance correlation, AI-written Monday recap email. All in the dashboard, free tier included.

TraderSync: Not offered. A trade-journal log plus reports; no daily AI coaching surface, no EOD check-in, no plan-adherence score, no AI recap email.

Broker auto-sync

Gecko: Read-only OAuth via SnapTrade on Pro and Unlimited. 20+ brokers supported today — Fidelity, Vanguard, Charles Schwab, E*TRADE, Robinhood, Interactive Brokers, tastytrade, TradeStation, Webull, Public, Alpaca, Tradier, Chase, Moomoo, eToro; plus Kraken and Coinbase for crypto; plus Questrade, Wealthsimple, and Trading 212 for CA/EU. Free tier keeps the always-available statement upload path. Password never crosses Gecko; tokens can be revoked from Settings.

TraderSync: Varies. Some competitors offer broker integrations on paid tiers; others require manual CSV uploads or a TradingView hand-off. See their own table rows for specifics.

Trade Replay + coach commentary

Gecko: Play any trading day back as an interactive minute-bar chart with entry / exit markers, a 30-minute tilt window shaded on the chart, and a chronological tape weaving your trades with the behavioral alerts that fired. Zoom out to a multi-day chart on any swing position held across sessions — daily bars with entry / exit anchors, continuous across futures contract rolls. Sonnet writes a coach recap plus counterfactual on demand. Covers equities, crypto, and CME futures. Free tier.

TraderSync: Varies. A few competitors ship chart playback of trades on price bars; almost none pair it with a behavioral-alert overlay, a tilt-window band, a swing view for multi-day holds, and an AI-written recap in the same view.

The honest verdict

Choose TraderSync if...

•You are a day trader who reviews trades by replay and tagged setups.
•AI-flagged 'mistakes' per trade fit how you study yourself.
•You want auto-sync from a broker Gecko does not parse yet.

Choose Gecko if...

•You want a real significance test on each flagged leak, not just an AI label.
•You want the answer in dollars, with the leak ranked by what it actually cost.
•You would rather not hand your broker API keys to a third party.
•You want a 30-second weekly journal that grades itself.

One honest note: AI-flagged mistakes are useful for trade-by-trade self-review, and TraderSync's replay workflow is genuinely strong for day traders. Where Gecko differs is the gate: every behavioral pattern we flag has to clear a bootstrap significance test first, so you do not waste a week working on a 'leak' that was actually noise. And the answer comes back in dollars, ranked, so you always know which habit to fix first.

The cheapest way to decide

Gecko’s free tier analyzes your last 100 trades with every feature unlocked, no card and no broker connection. If the diagnosis does not show you something worth fixing, you have lost two minutes.

Get your free diagnosisAn educational tool, not financial advice.

Frequently asked questions

Is Gecko cheaper than TraderSync?

Yes. Gecko Pro is $12 per month. TraderSync runs roughly $29 to $79 per month across tiers per their site as of June 2026.

What does TraderSync have that Gecko does not?

Trade replay, playbook tracking, AI-flagged mistakes per trade, and auto-sync from a wider broker list via stored credentials.

What does Gecko have that TraderSync does not?

A significance-tested behavioral diagnosis with leaks priced in dollars, a self-grading weekly journal, and a no-credentials setup that never asks for broker API keys.

Is AI-flagging the same as significance testing?

No. AI flagging labels individual trades; significance testing tells you whether a pattern across many trades is statistically real or could be chance. Gecko leans on the second so you only work on real leaks.