Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · AI Fitness Apps

Styrki vs APEX

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Styrki #6 in AI Fitness Apps 8.8/10 Free plan · 7-day trial Free planFree trial✓ 5 of 5 features Visit Styrki
APEX #7 in AI Fitness Apps 8.7/10 Free plan · 30-day trial Free planFree trial✓ 4 of 5 features Visit APEX

Styrki leads on 0 checks, APEX on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreStyrki · 8.8/10
  • Free planboth
  • Free trialboth
  • Most featuresStyrki · 5 of 5

Styrki scores higher on our rubric for ai fitness apps: 8.8 against 8.7 out of 10; our editors rank them #6 and #7.

Styrki is the better fit for low-cost strength training with voice coaching. APEX is the better fit for free AI workout and nutrition planning.

  • Styrki fits best

    Low-cost strength training with voice coaching

  • APEX fits best

    Free AI workout and nutrition planning

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Styrki 8.8/10 Visit ↗ APEX 8.7/10 Visit ↗
At a glance
Editor score 8.8 8.7
Ranking #6 in AI Fitness Apps #7 in AI Fitness Apps
Best for Low-cost strength training with voice coaching Free AI workout and nutrition planning
Pricing model Free plan + paid Free plan + paid
Starting price $5/mo $70/yr
Free plan ✓ ✓
Free trial 7 days 30 days
Free trial length 7 days · no card needed 30 days
Deployment Mobile Mobile
Platforms iOS iOS, Android
Support Docs Email
Built for Solo, Small business Solo, Small business
Features Styrki 5/5 · APEX 4/5
AI coaching ✓ ✓
Adaptive progression ✓ ✓
Custom workout plans ✓ ✓
Equipment profiles ✓ ✓
Wearable sync ✓ (best) Not checked yet
Specs
Exercise library 600 exercises Not checked yet
Supported platforms iOS ios, android
Our review
Pros
  • Free manual workout logging with GPS, cardio and heart-rate tracking
  • Adaptive weights, volume and progression with AI-generated workouts
  • Apple Watch, Apple Health and multiple wearable integrations
  • Free tier includes unlimited workout and meal logging
  • AI plans adapt to goals, equipment, schedule, recovery, and progress
  • Recovery tracking, analytics, and body-photo analysis support ongoing progress
Cons
  • Available only on iOS
  • Free plan limits users to 3 AI workouts and 5 coach messages
  • Live voice coaching requires the highest-priced tier
  • Automatic progression is available only in Premium
  • AI assistant chats and smart plans require Premium
  • Premium costs $70 yearly or $9.99 monthly
Our verdict

Styrki is an iPhone fitness app for strength training and running. It generates personalized workouts, adjusts weights, sets, reps and progression from training feedback, and tracks recovery, personal records and running performance. The…

Read the review →

APEX is an AI-assisted fitness app for people seeking structured strength training and nutrition guidance. It builds and modifies workout and nutrition plans around goals, equipment, schedule, logged workouts, meals, recovery, and progress…

Read the review →
  1. StyrkiAI Fitness Apps 8.8Free plan · 7-day trial
  2. APEXAI Fitness Apps 8.7Free plan · 30-day trial

Strengths and trade-offs

  • Styrki — where it wins

    • Free manual workout logging with GPS, cardio and heart-rate tracking
    • Adaptive weights, volume and progression with AI-generated workouts
    • Apple Watch, Apple Health and multiple wearable integrations

    Where it doesn't

    • Available only on iOS
    • Free plan limits users to 3 AI workouts and 5 coach messages
    • Live voice coaching requires the highest-priced tier
  • APEX — where it wins

    • Free tier includes unlimited workout and meal logging
    • AI plans adapt to goals, equipment, schedule, recovery, and progress
    • Recovery tracking, analytics, and body-photo analysis support ongoing progress

    Where it doesn't

    • Automatic progression is available only in Premium
    • AI assistant chats and smart plans require Premium
    • Premium costs $70 yearly or $9.99 monthly
  • Styrki8.8/10 · Free plan · 7-day trial

    A low-cost iPhone strength coach with adaptive plans, voice guidance and a free tier.

    Visit StyrkiFull verdict →
  • APEX8.7/10 · Free plan · 30-day trial

    A strong free starting point with premium AI planning, progression, and body analysis.

    Visit APEXFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update