Gym Day: Trainingstagebuch
73
Quality Score
Strong
Gym Day: Trainingstagebuch
Medium confidence
✍️ bumetric analysis
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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.
Quality Score is 73: Strong (healthy traction). For a Health & Fitness app, that means healthy traction. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~7 months at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 📦 Asset bundle (117 MB) | +$26K |
| ⚙ Health & Fitness complexity ×1.40 | +$30K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$325K
↳ What it would sell for · not monthly revenue
Marketplace range $250K – $425K · 19× MRR multiple
💸
~3.0× return on build cost
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
Final multiple
19× MRR
👥 Estimated audience size
91K
Lifetime downloads (US-equivalent)
Monthly active
20K
Daily active
7.0K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Health & Fitness engagement | ~70 installs / rating |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
35% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 49/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.2
Product Quality
8.6
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
4.0
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.77★ across 1,306 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K. Portfolio play ($16K/mo combined) commands premium.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
💰 Forecast Revenue / mo
MODELRevenue 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
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 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
- Available
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
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
📈Ratings growth1,306 ratings+27% lifetimeShow 3-year history estimate ▾
Tracked (56 weeks) Pre-tracking estimate (36 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.
📝 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.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 117 MB🔞 4+📱 iOS 17.0+🔖 v1.31.6🔄 updated 0d ago🌐 EN, FR, DE, IT, JA +6📂 Health & Fitness💰 Paid
📅
What Worked™ · Development Pipeline
7 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2023-06
📈
Crossed 100 ratings — social-proof flywheel kicking in
2020-02
📈
Crossed 50 ratings — social-proof flywheel kicking in
2018-11
📈
Crossed 10 ratings — social-proof flywheel kicking in
2018-11
⭐
Rating ↓ 5.00 → 3.67 (dropped 1.33★)
2018-07
🚀
First tracked snapshot — initial data captured
🔎
ASO Keyword Positions
BEST RANK #37Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
workout tracker·#37🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.80102★ | 196 | 4.80102★ this version |
| 🇧🇷 BR | 4.88062★ | 1,868 | 4.88062★ this version |
| 🇨🇦 CA | 4.77403★ | 385 | 4.77403★ this version |
| 🇩🇪 DE | 4.69156★ | 1,352 | 4.69156★ this version |
| 🇫🇷 FR | 4.76177★ | 361 | 4.76177★ this version |
| 🇬🇧 GB | 4.76738★ | 374 | 4.76738★ this version |
| 🇮🇳 IN | 4.72727★ | 44 | 4.72727★ this version |
| 🇯🇵 JP | 4.65909★ | 44 | 4.65909★ this version |
| 🇺🇸 US | 4.77203★ | 1,316 | 4.77203★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Gym Day: Trainingstagebuch: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 1,306 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Gym Day make per month?▴
Based on our ML-calibrated revenue forecast, Gym Day earns approximately $16K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like Gym Day?▴
Browse the full Health & Fitness category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes Gym Day?▴
Gym Day is published by Anthony Ng on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Gym Day's BU Score?▴
Gym Day has a BU Score of 73/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.