HVAC Formulator
20
Quality Score
Niche
HVAC Formulator
Low confidence
✍️ bumetric analysis
“
HVAC Formulator is an iOS app from Historycentral.com in the Productivity category, currently rated 2.0★ across 1 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 20: Niche (micro-niche or pre-traction stage). For a Productivity app, that means micro-niche or pre-traction stage. 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
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$65K
↳ What it cost to build · not monthly revenue
Likely range $50K – $90K
$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 |
| 📦 Asset bundle (73 MB) | +$9K |
| ⚙ Productivity complexity ×1.10 | +$5K |
Total estimate
$65K
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
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
Stalled · 39/100MID TIERno growth momentumRevenue Strength
3.7
Product Quality
1.6
Market Position
2.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
8.0
Founder Strength
4.2
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.0★ across 1 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Moderate — 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
MODELRevenue 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 | |
| Below-average rating (2.0★)METRIC | −$1,500 | |
| Mature app (17y old)METRIC | +$1,500 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (1 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 What's New · v3.04
Minor bug fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- HVAC Formulator
- Developer
- Historycentral.com
- Bundle ID
- net.multieducator.HVAC
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- The Best Source of American and World History
- Description
- American and World History all in one place.All of Americas Wars, different periods in American history. Special sections on elections, civics, the Navy, railroads, aviation. Everything you want to know about history
- 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
- $86/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- 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
- Socials
- youtube youtube.com/c/historycentral
- Not found
- Phone
- 1400-1899 20
- Contact page
- historycentral.com/Contact.html
- About page
- historycentral.com/About.html
📈Ratings growth1 ratingsShow 3-year history estimate ▾
Tracked (11 weeks) Pre-tracking estimate (37 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 → $4.99 (+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
HVAC FORMULATOR is the essential tool for Heating, Ventilating, and Air
Conditioning professionals. With over 900 formulas and calculations, it covers
everything from basic load calculations to advanced system design — all in
your pocket.
US & METRIC SUPPORT — Switch instantly between US (Imperial) and Metric (SI)
units. Results display in both systems so you always have the value you need.
Input labels and conversions update automatically.
23 CALCULATOR CATEGORIES including:
- Cooling Load — Sensible, latent, and total cooling calculations, tons, EER,… View full description on the official store →
Conditioning professionals. With over 900 formulas and calculations, it covers
everything from basic load calculations to advanced system design — all in
your pocket.
US & METRIC SUPPORT — Switch instantly between US (Imperial) and Metric (SI)
units. Results display in both systems so you always have the value you need.
Input labels and conversions update automatically.
23 CALCULATOR CATEGORIES including:
- Cooling Load — Sensible, latent, and total cooling calculations, tons, EER,… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 73 MB🔞 4+📱 iOS 18.6+🔖 v3.04🔄 updated 0d ago🌐 EN📂 Productivity💰 Paid
📅
What Worked™ · Development Pipeline
5 EVENTS TRACKEDDetected 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 $4.99 price point
2010-01
⭐
Rating ↓ 2.33 → 2.00 (dropped 0.33★)
2009-11
⭐
Rating ↓ 3.00 → 2.33 (dropped 0.67★)
2009-09
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
2009-06
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 2★ | 1 | 2★ this version |
| 🇬🇧 GB | 2★ | 2 | 2★ this version |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 5★ | 1 | 5★ this version |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇨🇦 CA | 3.5★ | 2 | 3.5★ this version |
| 🇦🇺 AU | 2★ | 2 | 2★ this version |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇮🇳 IN | 0★ | 0 | — |
🔔
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📝 Description
95
BU Score · Transcendent
More by Historycentral.com
View all →📦 Portfolio summaryINDIE studio
3apps·$315/mocombined
✓ Diversified — top app contributes 45%; risk spread across portfolio
Similar apps in Productivity
About this analysis
Why low confidence: only 1 rating · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
HVAC Formulator is a very early-stage iOS app in the productivity space with weak public traction — only 1 rating, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does HVAC Formulator make per month?▴
Low-confidence model estimate. HVAC Formulator has only 1 App Store rating, so our revenue model has very little signal to work with — treat the ~$86/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like HVAC Formulator?▴
Browse the full Productivity 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 HVAC Formulator?▴
HVAC Formulator is published by Historycentral.com 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 HVAC Formulator's BU Score?▴
HVAC Formulator has a BU Score of 20/100 (Niche). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.