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73
BU Score
Strong

Gym Day: Trainingstagebuch

4.8 ✍️ Editor
✍️ BU Analytics Review

Gym Day: Trainingstagebuch is an iOS app from Anthony Ng in the Health & Fitness category, currently rated 4.8★ across 1,306 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 73Strong (healthy traction). For a Health & Fitness app, that means healthy traction.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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Reviews
Forecast Revenue / mo
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 12 of 12 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Excellent rating (4.8★)METRIC
+$2,200
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
excellent appREVIEW
+$1,500
Low install base (1,306 ratings)METRIC
+$1,500
Multilingual (11 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
priceyREVIEW
−$800
Established app (7y old)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Mar 25
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 117 MB🔞 4+📱 iOS 17.0+🔖 v1.31.6🔄 updated 1w ago🌐 EN, FR, DE, IT, JA +6📂 Health & Fitness💰 Paid🚀 Launched 2018 (7y old)

📝 About this app

Gym Day is a gym workout planner and tracker that makes it easy for you to log and track your weight lifting workouts. Create your own gym workout plans and routines by selecting from an extensive list of exercises such as bench press, barbell squat, deadlift, and a variety of dumbbell, barbell and olympic exercises. The workout tracker also contains built in gym workout plans that you can easily get started on. Some workout schedules included are Stronglifts, 5x5, Madcow, Push Pull Legs (PPL), Starting Strength and much more. Training with weights has never been easier.

When you create your gym workout plans and log your weight lifting workouts, the workout planner will help you visualize your progress. You can view one rep max charts of the major compound exercises like bench press, barbell squat, and deadlift.

It has been proven that by tracking your weight lifting workouts you will be able to increase your bench press, barbell squat, and deadlift significantly.

Here is why many people doing weight lifting and powerlifting use Gym Day:

Start logging a workout immediately
- Add exercises as you go and log the reps and weights
- Easy to use exercise tracker that’s quicker than using pen and paper and spreadsheet
- Add supersets, trisets, and giant sets to your gym workout
- Add notes to your sets and workouts
- Plate calculator

Built in workout schedules
- Beginner workout schedules like StrongLifts 5x5 and Ice Cream Fitness
- Advanced workout schedules like Madcow 5x5, PHUL, and PHAT
- Workout schedules that allow you to build muscle, burn fat, and build strength
- Everything from powerlifting, bodybuilding, weight training, and strength training workout schedules
- A gym trainer that is catered to your fitness goals

Build your own workout schedule
- Library of 300+ gym exercises with images and instructions included to add to your workout schedule
- Workout gym exercises such as barbell squats, bench press, barbell rows, and deadlifts
- Customize sets and reps for each exercise in your workout schedule
- Add individual rest times for each exercise in your workout
- Group exercises into supersets, trisets, and giant sets
- Allows you to create workout schedules like 5x5, 3x5, 1x3, Starting Strength, German Volume Training, and Crossfit workouts
- Perfect for people doing powerlifting and bodybuilding who want to take their strength training and weight training to the next level

During a workout session
- The workout app will allow you to easily log the reps and weights of each set
- A rest timer appears making sure you are taking an appropriate amount of rest
- You will be able to see the last performance of the set you are doing
- Focus on beating your personal records and making those bodybuilding, strength training, and weight training gains
- Your personal gym guide and personal trainer giving you instructions on how to perform the exercises

Workout timer
- After completing each set the exercise tracker will show a rest timer
- Workout timer notification pops up when you navigate away from the workout app

Track your progression
- Track how much time spent in the gym and which muscle groups are targeted
- Detailed workout charts and workout graphs
- Track your one rep max for powerlifting, strength training, and weight training

Workout history
- A list of all your gym logs in one organized place
- Allows you to perform a workout session again and fills in your workout log automatically

Connect to Apple Health
- Share all your workout sessions and body measurements logged to Apple Health

https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

🆕 What's New · v1.31.6

Added new TRX exercises

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Gym Day: Trainingstagebuch
Developer
Anthony Ng
Bundle ID
com.anthonyng.workoutapp
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
4+
Languages
EN, FR, DE, IT, JA, KO, PT, RU, ZH, ES, ZH

Company

Website
Not found
Tagline
Today
Description
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$16.7K/mo
Top-grossing rank
Outside top 100 in US Health & Fitness
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
https://apps.apple.com/us/iphone/story/id1648916522
📈Ratings growth1,306 ratings+25% lifetimeShow 3-year history estimate ▾May 2023Feb 2025May 2026
Tracked (56 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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