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The strength app that adapts after every session.

Training that adjusts itself, food tracking with more than 1 million foods, and a private circle of friends. On iPhone and Apple Watch.

Coming to the App Store. Free to start.

Muscla Today screen: Push Day with 6 exercises and 19 sets, a Start training button and this week's plan

Training

A plan that learns from every set.

You tell Muscla how many more reps you could have done. It sets the next step in small percentages and plans the deload weeks for you. Your phone beeps and vibrates when rest ends.

  • Reps in reserve, 0 to 4+
  • Warm-up sets and a plate calculator
  • Estimated 1RM and strength level
Muscla rest timer: orange ring counting down, 0:42 of 1:30, with the next set below

Food

Every kcal and gram of protein, counted.

Scan a barcode, snap a photo or describe the meal and AI fills it in. Search more than 1 million foods in 12 languages. Protein gets its own blue.

  • Recipes and water tracking
  • Extra kcal for training days, if you want
  • A weekly check keeps the target honest
Muscla food screen: calorie ring with 2,453 kcal left and protein, carbs and fat bars

Community

Train with your people.

Friends feed, leaderboards, groups and challenges. Lifts can be verified by video. Private by default: only followers you accept see your workouts, and food and body weight stay private until you share them.

  • Leaderboards for friends, city and country
  • Verified lifts, messages and cheers
Muscla squat leaderboard among friends with a podium for first, second and third place

Progress

See the strength you built.

Strength curves for every lift, weekly sets per muscle against a 10 to 20 target zone, and weekly, monthly and yearly recaps with badges and records.

New best

New best: 120.3 kilograms

That is the day you beat yourself.

Muscla tells you the moment it happens: estimated 1RM on every lift, every record.

Muscla new best screen: 120.3 kg on Barbell Bench Press and a completed training summary

Your session follows you.

Apple Watch, the Lock Screen and your widgets keep the next set one glance away.

Apple Watch

The rest timer and your next set on your wrist.

Live Activity

Your rest countdown on the Lock Screen, without opening the app.

Widgets

Today's workout and your calories left on the Home Screen.

Ask your AI assistant. It knows your numbers.

Connect Muscla to Claude, ChatGPT or another assistant that supports connectors, and talk about your training in plain words. The answers come from your own sets, records and meals.

  • Ask about your trainingEvery set, your estimated 1RMs, weekly sets per muscle group and your food against your targets.
  • Let it log for youA meal, water, a weigh-in, a workout you forgot or a new routine.
  • You decideRead or write, separately for training, body weight and food. Disconnect any time in the app.

Part of Muscla Pro.How to connect

Choose an assistant

In Claude: Settings → Connectors → Add custom connector, then sign in to Muscla.Muscla is coming to the ChatGPT app directory. Until then, add it as your own connector where ChatGPT allows it.Gemini CLI, VS Code, Perplexity and others: add Muscla as an MCP server and sign in.

ClaudeChatGPTAI assistant

How did my bench press go this month?

Muscla Bench press history

Estimated 1RM

Barbell Bench Press

99.2kg

+4.2 kg in 4 weeks

8 sessions · best set 85 kg × 5

Up 4.2 kg in four weeks, and Tuesday was a new best: 85 kg × 5, an estimated 1RM of 99.2 kg. The last two sessions climbed fastest, so keep the plan as it is.

Log my dinner: salmon with potatoes, about 640 kcal.

Muscla Log food

Done, it is in your diary. Today you are at 2,180 of 2,600 kcal and 131 of 160 g protein.

Free calculators

One-rep max, calories, protein, body fat and plates, with the same math as the app. All calculators

Questions, answered.

Is Muscla available yet?

Not yet. Muscla is coming to the App Store. Join the waitlist and we will email you once when it is ready.

How does the plan adapt?

After each exercise you answer one question: how many more reps could you have done? Muscla uses that and your logged sets to choose the next progression step in percent, and it schedules deload weeks automatically.

How do I log food?

Scan a barcode, take a photo or describe the meal, and AI fills in the numbers. You can also search more than 1 million foods in 12 languages, save recipes and track water.

Who can see my workouts and my food?

Muscla is private by default. Only followers you accept see your workouts. Food and body weight stay private until you decide to share them.

Which languages does it support?

English, German, Spanish, French, Italian, Portuguese, Polish, Turkish, Russian, Chinese, Korean and Hindi. The food database of more than 1 million foods covers the same 12 languages.

Is it free, and what about Pro?

Muscla is free to start. A Pro subscription with a free trial is available; the details come at launch. You can also connect your data to AI assistants such as Claude and ChatGPT.

Be first when the dot lands in the App Store.

Join the waitlist. One email when Muscla is ready.

Coming to the App Store. Free to start.