AmiBroker adds Quant, Backtesting, Data Visualizations, Screeners, Monte Carlo, Risk Metrics (VaR/ES/Drawdown), Correlation, and Auto-Trading & Bots coverage that Diffchecker skips.
VOL. XCIV, NO. 247
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Tuesday, October 28, 2025
Tool Comparison
AmiBroker vs Diffchecker comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
Diffchecker includes Diff View categories that AmiBroker omits.
Diffchecker keeps a free entry point that AmiBroker lacks.
In depth comparison
AmiBroker
amibroker.com
Windows desktop platform for technical/system research with a fast AFL scripting language, portfolio‑level backtester, walk‑forward testing, Monte Carlo, and extensive optimization. Real‑time capability and instrument coverage depend on the data plug‑ins you use (e.g., IQFeed, eSignal, Interactive Brokers, Norgate Data). Auto‑trading to IB is available via the official interface. Licenses are perpetual with 24 months of updates.
Categories
Platforms
Desktop
Pricing
One-time
Quick highlights
- Portfolio‑level backtesting with dynamic position sizing and bar‑by‑bar ranking/PositionScore.
- Walk‑forward testing integrated with optimization; in/out‑of‑sample stats.
- Monte Carlo simulation (custom metrics can drive optimization/WF objective).
- Very fast multi‑threaded optimization with 3D optimization surface visualization.
- Exploration/Scanner to build custom screeners and reports via AFL.
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Diffchecker
diffchecker.com
Diffchecker is a comparison tool for text, images, PDFs, Excel files, and folders. The free Basic plan is web-only, while Pro + Desktop adds offline diffs, ad-free usage, real-time text comparison, and desktop apps. Legal and Enterprise tiers include integrations (e.g. iManage) and advanced admin features. Enterprise also offers SAML SSO, SCIM provisioning, and priority support. An API is available with free and paid plans, and a 14-day trial is offered for Pro/Desktop plans.
Categories
Platforms
WebDesktopAPI
Pricing
FreeSubscription
Quick highlights
- Supports multi-format comparisons: text, images, PDFs, Excel files, and folders.
- Desktop apps allow fully offline diffs, ensuring comparisons never leave the user’s computer.
- Real-time text diffing, diff merging, dark mode, and export to PDF.
- Syntax highlighting for 20+ programming languages with character-by-character precision.
- Public HTTP API supports text, image, PDF, and Excel diffs with tiered monthly quotas and input size limits.
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Where they differ
AmiBroker
Distinct strengths include:
QuantBacktestingData VisualizationsScreenersMonte CarloRisk Metrics (VaR/ES/Drawdown)CorrelationAuto-Trading & Bots
- Portfolio‑level backtesting with dynamic position sizing and bar‑by‑bar ranking/PositionScore.
- Walk‑forward testing integrated with optimization; in/out‑of‑sample stats.
- Monte Carlo simulation (custom metrics can drive optimization/WF objective).
- Very fast multi‑threaded optimization with 3D optimization surface visualization.
Diffchecker
Distinct strengths include:
- Supports multi-format comparisons: text, images, PDFs, Excel files, and folders.
- Desktop apps allow fully offline diffs, ensuring comparisons never leave the user’s computer.
- Real-time text diffing, diff merging, dark mode, and export to PDF.
- Syntax highlighting for 20+ programming languages with character-by-character precision.
Feature-by-feature breakdown
| Attribute | AmiBroker | Diffchecker |
|---|---|---|
Categories Which research workflows each platform targets | Shared: APIs & SDKs Unique: Quant, Backtesting, Data Visualizations, Screeners, Monte Carlo, Risk Metrics (VaR/ES/Drawdown), Correlation, Auto-Trading & Bots | Shared: APIs & SDKs Unique: Diff View |
Asset types Supported asset classes and universes | Stocks, ETFs, Mutual Funds, Futures, Currencies | Other |
Experience levels Who each product is built for | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Desktop | Web, Desktop, API |
Pricing High-level pricing models | One-time | Free, Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Frequently Asked Questions
Which workflows do AmiBroker and Diffchecker both support?
Both platforms cover APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.
Which tool offers a free plan?
Diffchecker offers a free entry point, while AmiBroker requires a paid subscription. Review the pricing table to see how the paid tiers compare.
How can you access AmiBroker and Diffchecker?
Both AmiBroker and Diffchecker prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
AmiBroker differentiates itself with Portfolio‑level backtesting with dynamic position sizing and bar‑by‑bar ranking/PositionScore., Walk‑forward testing integrated with optimization; in/out‑of‑sample stats., and Monte Carlo simulation (custom metrics can drive optimization/WF objective)., whereas Diffchecker stands out for Supports multi-format comparisons: text, images, PDFs, Excel files, and folders., Desktop apps allow fully offline diffs, ensuring comparisons never leave the user’s computer., and Real-time text diffing, diff merging, dark mode, and export to PDF..
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.