How much does Tampermonkey make per month?

Based on our ML-calibrated revenue forecast, Tampermonkey earns approximately $17K/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 Tampermonkey?

Browse the full News 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 Tampermonkey?

Tampermonkey is published by Jan Biniok 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 Tampermonkey's BU Score?

Tampermonkey has a BU Score of 50/100 (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.

Tampermonkey

Quality Score

Solid

Tampermonkey

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

Low confidence

3.1 ✍️ Editor

✍️ bumetric analysis

“

Tampermonkey is an iOS app from Jan Biniok in the News category, currently rated 3.1★ across 53 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 50: Solid (established niche player). For a News 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.

📊 Performance Tracking LIVE

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idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

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 ($2.99)METRIC		+$2,800
Below-average rating (3.1★)METRIC		−$1,500
Multilingual (26 languages)METRIC		+$1,500
Pre-traction phase (53 ratings)METRIC		−$300
Growing app (1y 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.

🆕 What's New · v5.4.6229

General
Added support for sending ArrayBuffer and UInt8Array objects via GM_xmlhttpRequest
Added the $DATETIME$ variable for use in script templates
Fixed response text encoding of fetch-based, non-utf8 GM_xmlhttpRequest
Reworked the storage implementation… Full release notes →

Profile & Insights

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

Identification

App name: Tampermonkey
Developer: Jan Biniok
Bundle ID: net.tampermonkey.SafariWebExt
App Store URL: Open in App Store
Category: News
Content rating: 4+
Languages: AR, HR, CS, DA, NL, EN, FR, DE, EL, HI, HU, ID, IT, JA, KO, NB, PL, PT, RU, ZH, SK, ES, ZH, TR, UK, VI

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: $17.2K/mo
Top-grossing rank: Outside top 100 in US News
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 growth53 ratings+5200% lifetimeShow 3-year history estimate ▾

Tracked (31 weeks) Pre-tracking estimate (18 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 → $2.99 (+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.

📝 About this app

Tampermonkey is a widely popular browser extension compatible with all major browsers. 
It lets you customize and enhance web pages using userscripts—small JavaScript programs that add or modify features. 
Easily create, manage, and run these scripts on any website with Tampermonkey.

App Specs

🔐 Own this app? Claim & verify MRR →

💾 6 MB🔞 4+📱 iOS 15.0+🔖 v5.4.6229🔄 updated 0d ago🌐 AR, HR, CS, DA, NL +21📂 News💰 Paid

📅

What Worked™ · Development Pipeline

5 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 →

2026-04

⭐

Rating ↑ 3.27 → 5.00 (improved 1.73★)

2024-12

📈

Crossed 10 ratings — social-proof flywheel kicking in

2024-12

⭐

Rating ↓ 4.29 → 3.88 (dropped 0.41★)

2024-11

⭐

Rating ↓ 5.00 → 4.00 (dropped 1.00★)

2024-11

🚀

First tracked snapshot — initial data captured

🔔

Track this app’s revenue

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ONE-TIME · BUILD 💰 Estimated build cost

$60K

↳ What it cost to build · not monthly revenue

Likely range $45K – $80K

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

📈 Pays back in ~3 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
⚙ News complexity ×1.20	+$10K

Total estimate $60K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$175K

↳ What it would sell for · not monthly revenue

Marketplace range $150K – $250K · 11× MRR multiple

💸 ~2.9× 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