Stronger

Pro

1) Personalized workout logging and progression tracking — Stronger lets you create and edit custom routines, log sets with weight, reps, and RPE, automatically track personal records and improvements, and manage progressive overload so you can stay consistent and steadily increase strength over time.

2) Detailed analytics and insights — The app provides visual charts for volume, intensity, frequency, PRs, and estimated 1RMs, highlights trends and plateaus, and summarizes weekly/monthly performance so you can identify weaknesses, adjust training variables, and make data-driven decisions to optimize progress.

3) Intuitive interface and convenience features — Stronger offers a clean, fast UI for quick logging, customizable timers, plate calculator, quick-set templates, offline mode, and cloud backup with CSV export, reducing friction during workouts and keeping your data safe and portable across devices.

Con

1. Heavy paywall and costly subscription: many core features—advanced tracking, personalized plans, progress analytics—are locked behind a paid subscription. This recurring cost can be prohibitive for casual users, limiting functionality unless you commit financially and reducing value for those who prefer a free, fully usable fitness app.

2. Limited exercise library and customization: while the app covers common movements, it lacks niche exercises, advanced variations, and deep customization of routines and progression. Coaches and experienced lifters may find templates rigid, limited rest/rep control, and insufficient exercise setup options for specialized programming or rehabilitation needs.

3. Syncing, integration, and reliability issues: users report intermittent sync failures with wearables and Apple Health/Google Fit, delayed or duplicated entries, and occasional crashes. These bugs can cause lost workout data, inaccurate progress tracking, and frustration when relying on consistent logs for long-term program adherence.