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Side-by-side comparison

TrendSpider vs thinkorswim: Charting Tool vs Broker Platform

thinkorswim is free if you have a Schwab account, but it's a broker platform first. TrendSpider is a dedicated charting and AI tool. Here's how they actually compare.

Verified TrendSpider Coupon
Save 25% on every annual plan
Applies to All annual plans (Essential, Elite, Advanced). Auto-applies at checkout.
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TrendSpider
with SET25
thinkorswim
standard
Cost
$40.50/mo with SET25
Free with Schwab account
Auto-drawn trendlines / levels
AI strategy generator
Multi-timeframe scanner
Basic
thinkScript / TS Script
TS Script
thinkScript (mature)
Backtesting
Robust
OnDemand replay only
Options chain depth
Good
Best in class
Trading bots / automation
Web-based (no install)
Web version exists, lighter
Multi-broker support

Pick TrendSpider if you...

  • You want broker-agnostic charting and don't want to be locked to Schwab
  • You'd use auto-analysis and AI to save time
  • You want robust backtesting (not just bar replay)
  • You'd automate trades from alerts
Get TrendSpider 25% off

Pick thinkorswim if you...

  • You already have a Schwab brokerage account
  • You're an active options trader who needs the deep options chain
  • You're a longtime thinkScript user
  • Free is non-negotiable

The verdict

If you trade options actively and have a Schwab account, thinkorswim is hard to beat for free. For everyone else — especially traders who want auto-analysis, AI strategies, real backtesting and broker independence — TrendSpider with SET25 is the better $40/mo investment.

Try TrendSpider for 25% off

7-day free trial first. Use code SET25 at upgrade.

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