How much does Only One make per month?

Based on our ML-calibrated revenue forecast, Only One earns approximately $3.0K/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 Only One?

Browse the full Role Playing 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.

Only One is published by Ernest Szoka 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 Only One's BU Score?

Only One has a BU Score of 78/100 (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.

Only One

Quality Score

Strong

Only One

Name: Only One — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Only One revenue, Only One app analytics, mobile app revenue estimate, Role Playing revenue, Android app revenue

High confidence

4.6 ✍️ Editor

✍️ bumetric analysis

“

Only One is an Android app from Ernest Szoka in the Role Playing category, currently rated 4.6★ across 276,777 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 78: Strong (healthy traction). For a Role Playing 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

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Description hook & conversion structure
Screenshots, ratings, reviews strategy

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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

$210K

↳ What it cost to build · not monthly revenue

Likely range $160K – $285K

$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
⚙ Role Playing complexity ×2.30	+$77K
🌐 Cross-platform reach (iOS + Android)	+$75K

Total estimate $210K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$100K

↳ What it would sell for · not monthly revenue

Marketplace range $75K – $125K · 29× MRR multiple

💸 ~0.5× 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 ≥ 4.4 (solid)	+8%
🏷 Role Playing category multiple	-8%
⭐ Mature user base (100K+ ratings)	+5%

Final multiple 29× MRR

👥 Estimated audience size

35.5M

Lifetime downloads (US-equivalent)

Monthly active

6.3M

Daily active

2.5M

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

📲 Role Playing engagement	~130 installs / rating
🔁 Role Playing D30 retention	18%
📍 DAU / MAU stickiness	0.40

DAU / MAU 39% sticky

🛠 Estimated tech stack

🤖

Native Android (Kotlin)

Medium confidence · 55%

Also possible

Flutter

Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.

Signals we read

🏷 Category context	Role Playing
📦 Tiny game bundle	→ Native 2D engine

🔬

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

Building · 56/100MID TIERcompetitive build-out

Growth Velocity

5.0

Founder Strength

4.5

Product Quality

9.2

Revenue Strength

3.7

Monetization Maturity

5.0

Defensibility

7.0

Market Position

0.0

Operational Safety

10.0

💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
⭐ Quality: 4.62★ across 276,777 reviews — exceptional (top 1% in category).
📍 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.

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:

High install base (276,777 ratings)METRIC		+$12,000
Excellent rating (4.6★)METRIC		+$2,200
Mature app (12y old)METRIC		+$1,500
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: Only One
Developer: Ernest Szoka
Bundle ID: com.rebelbinary.onlyone
App Store URL: Open in App Store
Category: Role Playing
Content rating: Not found
Languages: Not found

Company

Website: www.rebelbinary.com
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: $3.0K/mo
Top-grossing rank: Not found
All-time revenue: Not found
Pricing: $3.99 - $29.99 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 growth276,777 ratings+17% lifetimeShow 3-year history estimate ▾

Tracked (2 weeks) Pre-tracking estimate (37 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

Pick up a magic sword and fight atop the Pillar of Sacrifice.

Master timing and positioning to push enemies off the edge.

How long can you survive to become the only one left standing?

TouchArcade - 4.5/5 "Game with depth well beyond what you would expect"

PocketGamer - 9/10 "A brilliantly paced, sharp-edged brawler "

One of the best hack and slash games on mobile, Only One is an epic arena style sword fighting game where you battle and push waves of enemies off the pillar in the sky with your magical sword. You don't fight for glory, you fight to survive!… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

🔖 v1.2983🔄 updated 0d ago📂 Role Playing💰 Free📺 Ad-supported💎 IAP $3.99 - $29.99 per item

🔔

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📝 Description

BU Score · Transcendent

Full revenue analysis

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

Read deep-dive →