Program comparison

StrongLifts 5x5 vs GZCLP

Both offer straightforward barbell progression, but StrongLifts repeats 5x5 work while GZCLP separates heavy, volume, and accessory tiers.

Program

StrongLifts 5x5

A free 3-day novice barbell progression with alternating A/B sessions and simple load increases.

3 criteria.daysShort2 criteria.weeksShort

Program

Supports progression engine

GZCLP

A tiered T1/T2/T3 linear progression that keeps heavy barbell work and accessories in the same system.

4 criteria.daysShort1 criteria.weeksShort

Methodology

How this page was put together

These pages are reviewed against IronFlow's current public program library, released app capabilities, and public training references.

Updated

June 30, 2026

Built from

IronFlow's current program library, import flows, released calculators, and app capabilities as of June 30, 2026.

Use this page for

Comparing two real templates before you commit to a full program page or add one to your training flow.

Comparison

How StrongLifts and GZCLP differ

Choose between a minimalist full-body routine and a more flexible tiered system as your training needs grow.

Criteria
StrongLifts 5x5
GZCLP
Primary focus
Strength
Strength
Typical level
Beginner
Beginner
Training frequency
3 days per week
4 days per week
Program length
2 weeks
1 weeks

StrongLifts is the simpler starting point

The repeated A/B sessions and five-by-five prescription are easy to understand and quick to run.

GZCLP gives each training tier a job

T1, T2, and T3 work combine heavy strength practice with volume and accessories inside one progression model.

Choose based on complexity and recovery

StrongLifts suits lifters who want minimal decisions, while GZCLP gives more varied work at the cost of a busier template.

More tools

Explore the other training tools

Training tool

E1RM calculator

Estimate a practical one-rep max from weight, reps, and RPE.

Training tool

RPE ↔ % converter

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Training tool

Warmup planner

Build a simple warmup ladder from your top working set.

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