Browser-Based Utilities

Data and Performance Tools

TestHold provides focused applications for comparative data analysis, workout tracking, recovery records, and portable local data management.

Open GRATool Open Training Console Open MacroCycle

Browser-BasedNo separate desktop client

Local RecordsStored in the active browser

Portable DataJSON import and export

Applications

Two purpose-built tools for structured records, visual analysis, and ongoing performance review.

Data Analysis

GRATool

A configurable weekly data utility for tracking labeled values, reviewing comparative performance, and identifying changes across categories and time periods.

Weekly value tracking
Category-level filtering
Comparative charts and rankings
Trend and variance analysis
PNG chart exports
JSON import and export

Launch GRATool

Training Management

Training Console

A workout and recovery tracker for maintaining exercise-level records, monitoring training volume, and reviewing workload and recovery activity.

Workout session records
Exercise, load, set, and repetition data
Training volume analysis
Recovery activity logs
Performance timelines
JSON import and export

Launch Training Console

Long-Range Scenario Analysis

MacroCycle

An interactive scenario map for comparing long-range Bitcoin, gold, and silver performance using historical reference points and editable assumptions through 2050.

Bitcoin, gold, and silver comparison
Historical reference points
Editable growth assumptions
Indexed and asset-specific views
Annual scenario value table
Bitcoin cycle turning windows

Launch MacroCycle

MacroCycle Bitcoin, gold, and silver scenario visualization

Platform Capabilities

Consistent data handling across both TestHold applications.

Local Browser Storage

Records remain available in the browser used to create them.

Portable JSON Records

Export structured data for backup and import it when required.

Responsive Interface

Layouts adapt for desktop, tablet, and mobile access.