55
BU Score
Solid
Vintage-45
✍️ bumetric analysis
“
Vintage-45 is an iOS app from CuVee Software in the Productivity category, currently rated 4.8★ across 19 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 55: Solid (established niche player). For a Productivity app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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 4 of 4 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 (4.8★)METRIC | +$2,200 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Pre-traction phase (19 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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 17 MB🔞 4+📱 iOS 12.0+🔖 v3.3🔄 updated 2mo ago🌐 EN, FR, DE📂 Productivity💰 Paid🚀 Launched 2012 (14y old)
📝 About this app
Vintage-45 is a complete simulation of Hewlett-Packard's scientific hand-held calculator HP-45 from 1973. Processing times and behavior have been carefully modelled after the original. Even the "secret" stopwatch may be activated.
Features:
• Photo-realistic look based on an existing device
• Animated keys with adjustable click sound and visual feedback
• All functions and operations of the HP-45 fully implemented
• Includes "secret" stopwatch
• Full-speed or simulated speed of real calculator
• Correct wrong number entries by swiping left across the display
• Cut/copy/paste display value
• Tap display to show stack and all memory registers
• Additional conversions (optional): Celsius vs. Fahrenheit, liters per 100km vs. mpg (US and UK), m/ft, g/oz, g/ozt
Double-tap the display for some basic hints.
For more information and a short manual visit the homepage: cuveesoft.ch
Features:
• Photo-realistic look based on an existing device
• Animated keys with adjustable click sound and visual feedback
• All functions and operations of the HP-45 fully implemented
• Includes "secret" stopwatch
• Full-speed or simulated speed of real calculator
• Correct wrong number entries by swiping left across the display
• Cut/copy/paste display value
• Tap display to show stack and all memory registers
• Additional conversions (optional): Celsius vs. Fahrenheit, liters per 100km vs. mpg (US and UK), m/ft, g/oz, g/ozt
Double-tap the display for some basic hints.
For more information and a short manual visit the homepage: cuveesoft.ch
🆕 What's New · v3.3
• Improved compatibility with real HP-45 when using D.MS conversions:
– With "Extras" set to off (yellow key, then "+" key to toggle): same results as real HP-45
– With "Extras" set to on: improved results (no digits dropped by conversion)
EXAMPLE
Convert 12.345612:
– "Extras" off: D.MS-> 12.58225556, then ->D.MS back to 12.34560000
– "Extras" on: D.MS-> 12.58225556, then ->D.MS back to 12.34561200
– With "Extras" set to off (yellow key, then "+" key to toggle): same results as real HP-45
– With "Extras" set to on: improved results (no digits dropped by conversion)
EXAMPLE
Convert 12.345612:
– "Extras" off: D.MS-> 12.58225556, then ->D.MS back to 12.34560000
– "Extras" on: D.MS-> 12.58225556, then ->D.MS back to 12.34561200
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Vintage-45
- Developer
- CuVee Software
- Bundle ID
- ch.cuveesoft.vintage45
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN, FR, DE
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
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
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- https://apps.apple.com/us/iphone/story/id1884836200
⭐Recent App Store Reviews8 latest · avg 5.0★ · 100.0% 5★ · 0% 1★
5★8 (100%)
4★0 (0%)
3★0 (0%)
2★0 (0%)
1★0 (0%)
+0 ratings/week
Praise: great ×5 love ×4 favorite ×2 amazing ×2 best ×2
Top positive
★★★★★ Wonderful!
I'vre been using a real HP-45 since 1973. When use it at my desk all the time, but I sure miss it on the road. Problem solved, thanks to Willy Kunz. Great job!…
★★★★★ Great App!
My favorite calculator app for iPhone. Love it!…
Top negative
★★★★★ Great product BUT
This is s great simulation of my favorite calculator (still have working unit in plastic box with manual and charger)
BUT the touchscreen stopped working on my 13 Pro Max when I upgraded to v 15.1.1 today! Have rebooted to no avail.
Hope …
★★★★★ HP45 Resurrected
This was the most amazing calculator available in its day at a staggering $400! This app is so exact that my heart rate goes up whenever I fire it up. Such wonderful memories, complete with the red led display and the great sound.…
📈Ratings growth19 ratings+1800% lifetimeShow 3-year history estimate ▾
Tracked (10 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.
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 CuVee Software
View all →
Full revenue analysis
Read the article-style breakdown for Vintage-45: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.