How much does Harmonica Easy Tab make per month?

Based on our ML-calibrated revenue forecast, Harmonica Easy Tab earns approximately $831/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 Harmonica Easy Tab?

Browse the full Music & Audio 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 Harmonica Easy Tab?

Harmonica Easy Tab is published by Heberlein on the Google Play 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 Harmonica Easy Tab's BU Score?

Harmonica Easy Tab has a BU Score of 58/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.

Harmonica Easy Tab

Quality Score

Solid

Harmonica Easy Tab

Name: Harmonica Easy Tab — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Harmonica Easy Tab revenue, Harmonica Easy Tab app analytics, mobile app revenue estimate, Music & Audio revenue, Android app revenue

by Heberlein

Medium confidence

4.0 ✍️ Editor

✍️ bumetric analysis

“

Harmonica Easy Tab is an Android app from Heberlein in the Music & Audio category, currently rated 4.0★ across 4,960 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 58: Solid (established niche player). For a Music & Audio app, that means established niche player. 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

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Description hook & conversion structure
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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

Loading…

idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

ONE-TIME · BUILD 💰 Estimated build cost

$135K

↳ What it cost to build · not monthly revenue

Likely range $100K – $180K

$25K · MVP floor $100K · indie scale $500K+ · studio build

📈 Slow ROI — current MRR is well below build cost

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
💎 In-app purchase plumbing	+$9K
⚙ Music & Audio complexity ×1.45	+$26K
🌐 Cross-platform reach (iOS + Android)	+$47K

Total estimate $135K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$20K

↳ What it would sell for · not monthly revenue

Marketplace range $15K – $30K · 26× MRR multiple

💸 ~0.1× build cost (under-water)

Synthetic estimate. Multiple band derived from iap / freemium model + 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

💎 IAP / freemium model base	28× MRR
⭐ ★ rating 3.5-4.0 (mixed)	-8%

Final multiple 26× MRR

👥 Estimated audience size

640K

Lifetime downloads (US-equivalent)

Monthly active

125K

Daily active

62K

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

📲 Music & Audio engagement	~130 installs / rating
🔁 Music & Audio D30 retention	20%
📍 DAU / MAU stickiness	0.50

DAU / MAU 50% sticky

🔬

How we forecast this revenue

MEDIUM CONFIDENCE

Baseline

$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 · 47/100MID TIERunderperforming peers

Revenue Strength

3.7

Product Quality

7.2

Market Position

0.0

Growth Velocity

5.0

Defensibility

7.0

Operational Safety

7.0

Founder Strength

2.7

Monetization Maturity

5.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 3.98★ across 4,960 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: ⚠ last update 2434d ago — possibly dormant.
⚠️ Risk: Moderate — dormant (2434d since update).

🎯 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.

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

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 4 of 4 triggers

Our ML model uses 200+ signals from public data. These are the most influential for this app:

Low install base (4,960 ratings)METRIC		+$1,500
Mature app (13y old)METRIC		+$1,500
slowREVIEW		−$1,200
Ad-supported / freemiumMETRIC		+$600

METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 Reviews Growth

LIVE

Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ 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.

Profile & Insights

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

Identification

App name: Harmonica Easy Tab
Developer: Heberlein
Bundle ID: ben.heberlein.harmonicaeasytab
App Store URL: Open in App Store
Category: Music & Audio
Content rating: Not found
Languages: Not found

Company

Website: Not found
Tagline: Not found
Description: Not found
Founded: Not found
HQ / Address: Not found
Employees: Not found
Logo: Not found

Revenue

Verified revenue / mo: Not found
AI revenue estimate / mo: Not found
AI annual estimate: Not found
ML model estimate / mo: $46/mo
Top-grossing rank: Not found
All-time revenue: Not found
Pricing: $0.99 - $4.99 per item

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 growth4,960 ratings+20% lifetimeShow 3-year history estimate ▾

Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value

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

Harmonica Easy Tab just got a new update! Over 100 songs to choose from! Now updated from scratch for better performance and stability.

Harmonica Easy Tab is a simple application designed to help harmonica beginners learn and practice harmonica tab. If you're just starting out, or want to brush up on some classic songs, this is the app for you. Grab your harmonica and practice!

We have fixed issues related to upgrades in version 4.1.1. If you were affected by this issue or bought upgrades twice, please contact us via our support email below.

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v4.1.1🔄 updated 0d ago📂 Music & Audio💰 Free📺 Ad-supported💎 IAP $0.99 - $4.99 per item

🔔

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📝 Description

BU Score · Transcendent

Full revenue analysis

Read the article-style breakdown for Harmonica Easy Tab: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.

Read deep-dive →