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54
Quality Score
Solid

Download Time Calculator

ZCAnalyzed by Zakhar Chumak · founder, bumetric·Methodology
4.2 ✍️ Editor
✍️ bumetric analysis

Download Time Calculator is an Android app from LeForumInfo in the Tools category, currently rated 4.2★ across 229 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 54: Solid (established niche player). For a Tools 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.

💰 Revenue · today and ahead
Today
$500/mo
In 12 months
$437 – $1575
In 24 months
$405 – $3644
INDIE tier
💡 Grow this revenue

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📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$165K
What it cost to build · not monthly revenue
Likely range $125K – $225K
$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+$22K
Tools complexity ×0.90$-5049
🌐Cross-platform reach (iOS + Android)+$24K
15.4y maintenance × ~1-person team+$92K
Total estimate$165K
👥 Estimated audience size
30K
Lifetime downloads (US-equivalent)
Monthly active
1.3K
Daily active
230

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
📲Tools engagement~190 installs / rating
📅15.4y of rating accumulation-30%
🔁Tools D30 retention22%
📍DAU / MAU stickiness0.18
DAU / MAU18% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
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 contextTools
📦Compact Android bundle→ Native Kotlin
💀 Maintenance status
Likely abandoned
95%
Last shipped 2017-03-24 · 3347 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
📅9y+ since last updateLikely abandoned
👥Small user base (229 ratings) + 15.4y old+10% (solo-project pattern)
15y old + 1y+ no update+5% (API deprecation drift)
VerdictLikely abandoned
🔬

How we forecast this revenue

LOW CONFIDENCE
Baseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
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
RevenueQualityMarketGrowthMoatSafetyFounderMonetiz.
Revenue Strength
2.7
Product Quality
5.9
Market Position
0.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
7.0
Founder Strength
3.8
Monetization Maturity
1.0
  • 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 4.25★ across 229 reviews — below category median.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: ⚠ last update 3347d ago — possibly dormant.
  • ⚠️ Risk: Moderate — dormant (3347d 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 = $9K-$16K.
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:
Mature app (15y old)METRIC
+$1,500
Good rating (4.2★)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
Early-stage install base (229 ratings)METRIC
+$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 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.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v1.0.2🔄 updated 9y ago📂 Tools💰 Free📺 Ad-supported🚀 Launched 2011 (15y old)

📝 About this app

Calculate remaining time for your download or transfert. Enter amount of data in kb, mb or gb. Enter part of data already downloaded and speed at wich you currently download in different units. Give you an answer in HH:MM:SS and Day, HH:MM:SS.
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Profile & Insights

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

Identification

App name
Download Time Calculator
Developer
LeForumInfo
Bundle ID
com.leforuminfo.downloadcalc
App Store URL
Open in App Store
Category
Tools
Content rating
Not found
Languages
Not found

Company

Website
www.leforuminfo.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
$342/mo
Top-grossing rank
Not found
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 growth229 ratings+16% lifetimeShow 3-year history estimate ▾Jun 2023Dec 2024May 2026
Tracked (1 weeks) Pre-tracking estimate (35 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.

More by LeForumInfo

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📦 Portfolio summaryINDIE studio
2apps·$632/mocombined
Lead-app heavy — top app contributes 54%

Similar apps in Tools

Full revenue analysis
Read the article-style breakdown for Download Time Calculator: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

Frequently Asked Questions

9 answers · auto-generated from this app's public data
How much does Download Time Calculator make per month?
Based on our ML-calibrated revenue forecast, Download Time Calculator earns approximately $341/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.
Is Download Time Calculator profitable?
With estimated build cost $165K and monthly revenue $341, Download Time Calculator looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Download Time Calculator have?
Estimated audience: ~30K lifetime downloads, ~1K monthly active users, and ~230 daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Download Time Calculator?
Browse the full Tools 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 Download Time Calculator built with?
Our heuristic places Download Time Calculator on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Download Time Calculator still actively maintained?
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 9+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Download Time Calculator last updated?
Download Time Calculator last shipped a new version on 2017-03-24 — more than 9 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Download Time Calculator?
Download Time Calculator is published by LeForumInfo 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 Download Time Calculator's BU Score?
Download Time Calculator has a BU Score of 54/100 (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.