How much does Simplefax - fax app make per month?

Our model estimates Simplefax - fax app earns roughly $1.6K/mo, but with only 12 ratings the confidence interval is wide. No founder-verified MRR is available for this app, so this is a model output calibrated against comparable apps in the same category. See methodology for the formula.

What apps are like Simplefax - fax app?

Browse the full Business 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.

What is Simplefax - fax app built with?

Our heuristic places Simplefax - fax app on the Native iOS (SwiftUI) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Native iOS (Swift / UIKit).

Is Simplefax - fax app still actively maintained?

Maintenance status: At risk (60% abandonment risk). Last shipped version was 7 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.

When was Simplefax - fax app last updated?

Simplefax - fax app last shipped a new version on 2025-09-30 — 7 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.

Who makes Simplefax - fax app?

Simplefax - fax app is published by Furnace Creek Software LLC 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 Simplefax - fax app's BU Score?

Simplefax - fax app has a BU Score of 60/100 (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.

Quality Score

Solid

Simplefax - fax app

Name: Simplefax - fax app — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Simplefax - fax app revenue, Simplefax - fax app app analytics, mobile app revenue estimate, Business revenue, iOS app revenue

Low confidence

5.0 ✍️ Editor

Business

✍️ bumetric analysis

“

Simplefax - fax app is an iOS app from Furnace Creek Software LLC in the Business category, currently rated 5.0★ across 12 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 60: Solid (established niche player). For a Business 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

$1.7K

per month

→

12-mo forecast

$1.4K – $5.2K

per month

→

24-mo forecast

$1.3K – $12.0K

per month

INDIE tier

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Free AI audit of this app’s store listing

Title & subtitle keyword fit
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

$90K

↳ What it cost to build · not monthly revenue

Likely range $70K – $120K

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

📈Pays back in ~4.7y 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
⚙Business complexity ×1.50	+$25K
⚙2.4y maintenance × ~1-person team	+$14K

Total estimate$90K

ONE-TIME · EXIT VALUE💵 Estimated acquisition value

$30K

↳ What it would sell for · not monthly revenue

Marketplace range $25K – $40K · 20× MRR multiple

💸~0.3× build cost (under-water)

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
📅2.4y proven track record	+12%
⭐★ rating ≥ 4.7 (premium)	+15%
🏷Business category multiple	+10%
⭐Small user base (<1K ratings)	-8%

Final multiple20× MRR

🛠 Estimated tech stack

🍎

Native iOS (SwiftUI)

High confidence · 80%

Also possible

Native iOS (Swift / UIKit)

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

📦App bundle size	2 MB
🏷Category context	Business
📦Compact iOS bundle	→ Native SwiftUI (post-2020 era)

💀 Maintenance status

At risk

60%

Last shipped 2025-09-30 · 237 days ago

0 · Active50 · At risk100 · Abandoned

Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.

Risk signals

📅7 months since last update	Concerning gap
👥Small user base (12 ratings) + 2.4y old	+10% (solo-project pattern)

VerdictAt risk

🔬

How we forecast this revenue

MEDIUM CONFIDENCE

Baseline

$1.7K/mo · ML-estimated from 234 triggers

Growth rate

+6.0% MoM · INDIE tier baseline (compound monthly)

Direction

Headwinds: rating drift may slow acquisition, low defensibility moat

6 months

$1.4K – $3.3K

12 months

$1.4K – $5.2K

24 months

$1.3K – $12.0K

Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.

📊

BU Investment Matrix

Pre-traction · 39/100INDIE TIERlimited signal

Revenue Strength

3.2

Product Quality

4.0

Market Position

2.0

Growth Velocity

5.0

Defensibility

2.6

Operational Safety

9.0

Founder Strength

4.2

Monetization Maturity

1.0

💰 Revenue: Modest — $661 - $4131/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: 5.0★ across 12 reviews — weak — significant quality concerns.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: last update 237d ago — slow cadence.
⚠️ 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 = $29K-$52K.

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 5 of 5 triggers

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

Paid app ($0.00)METRIC		+$2,800
Excellent rating (5.0★)METRIC		+$2,200
Single-language (English only)METRIC		−$400
Pre-traction phase (12 ratings)METRIC		−$300
Growing app (2y old)METRIC		+$200

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.

App Specs

🔐 Own this app? Claim & verify MRR →

💾 2 MB🔞 4+📱 iOS 17.0+🔖 v1.3🔄 updated 7mo ago🌐 EN📂 Business💰 Paid🚀 Launched 2024 (2y old)

📝 About this app

Simplefax is designed for low-volume users who occasionally need to send a fax. It follows a 20/20 rule: you can send up to 20 faxes each month of up to 20 pages each. There are no additional costs, subscriptions, or recurring fees.

To get started, simply select or drag in a PDF of the document you wish to send. Then type in your email and the recipient's fax number, and you're good to go! You will receive an email once the fax is delivered. Each month, the limit of 20 faxes will be reset.

Faxes sent with Simplefax are encrypted, and the app is HIPAA compliant.… View full description on the official store →

🆕 What's New · v1.3

- Updated design for iOS 26 and Liquid Glass

📅

What Worked™ · Development Pipeline

2 EVENTS TRACKED

Detected 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

💲

Went paid — introduced $7.99 price point

2026-03

🚀

First tracked snapshot — initial data captured

🧪

Tech & Domain Intel — furnacecreek.org

Tech stack: Google Workspace

Derived from public RDAP + DNS TXT records (no scraping, no login).

🌍

Multi-Country Performance

Available in 9 of 9 monitored markets

Market	Rating	Reviews	Current version
🇺🇸 US	5★	12	5★ this version
🇬🇧 GB	0★	0	—
🇩🇪 DE	0★	0	—
🇫🇷 FR	0★	0	—
🇯🇵 JP	0★	0	—
🇨🇦 CA	0★	0	—
🇦🇺 AU	4★	1	4★ this version
🇧🇷 BR	0★	0	—
🇮🇳 IN	0★	0	—

🔔

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Profile & Insights

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

Identification

App name: Simplefax - fax app
Developer: Furnace Creek Software LLC
Bundle ID: com.FurnaceCreek.MobileSimplefax
App Store URL: Open in App Store
Category: Business
Content rating: 4+
Languages: EN

Company

Website: Not found
Tagline: Furnace Creek
Description: Furnace Creek Software makes handcrafted, high-quality, native apps for Mac, iOS, and Windows.
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: $1.6K/mo
Top-grossing rank: Outside top 100 in US Business
All-time revenue: Not found
Pricing: Not found

Founder

Name: Not found
X / Twitter: twitter.com/TheFurnaceCreek
LinkedIn: Not found
GitHub: github.com/furnacecreek
X followers: Not found
Public statements: Not found

Funding

Funding data not yet collected for this app.

Press & Links

Press & Links data not yet collected for this app.

Contacts & Socials

Socials: github github.com/furnacecreek · instagram instagram.com/furnacecreeksoftware · twitter twitter.com/TheFurnaceCreek
Email: Not found
Phone: Not found
Contact page: furnacecreek.org/support
About page: furnacecreek.org/about

📈Ratings growth12 ratings+1100% lifetimeShow 3-year history estimate ▾

Tracked (2 weeks) Pre-tracking estimate (29 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.

💰Pricing History$0.00 → $7.99 (+0%)

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.