53
BU Score
Solid
Mein Rechner (inkl. Währungen)
✍️ BU Analytics Review
“
Mein Rechner (inkl. Währungen) is an iOS app from Joachim von Caron in the Finance category, currently rated 4.9★ across 8 ratings. Initial signal reads as no scraped reviews yet — judgment based on metadata only.
Our BU Score puts it at 53 — Solid (established niche player). For a Finance app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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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 (4.9★)METRIC | +$2,200 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Pre-traction phase (8 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 →💾 5 MB🔞 4+📱 iOS 13.6+🔖 v6.1.9🔄 updated 1y ago🌐 EN, DE📂 Finance💰 Paid🚀 Launched 2015 (10y old)
📝 About this app
//*** Version 6 for iOS 17 and watchOS 10 ***//
//*** Including Currency Exchange Calculator for iPhone, iPad and Apple Watch***//
The only one pocket calculator for iPhone, iPad, Apple Watch, Apple TV and also works as Today Widget, Message Extension and Keyboard.
Simple pocket calculator supports parentheses and memory functions.
See what you calculate.
Also as Today Widget, Message Extension or Keyboard possible - just enable it.
Calculate a number of days to an given date or show the weekday name of a given date.
Currency Exchange Calculator available for iPhones and Apple watch.
Please note: The Apple Watch calculator is small. Anyhow all on a single screen and the calculation step is always visible.
Apple Watch: You can choose between three screens:
- Big Buttons // Operators left
- Big Buttons // Operators right
- Smaller buttons // With parentheses
In addition you can disable the Function Screen. Then it is a simply calculator. Just go to the Watch Settings.
Support for Deep Pressure Gestures - or long press on older iPhones/ iPads:
M+ -> M-
MR -> Show only Memory
C -> AC
f(x) -> Display Currency Converter
pi -> Random number between 0...1
e -> Random integer number between 0...n
% -> deferred payment credit/ monthly rate (i = interest rate, m = month)
( -> Add open parenthesis at beginning
) -> Add open and close parentheses
(⋯) -> Add close parenthesis
Define own Currency in Settings App (iOS Settings/ Watch Settings)
Select own currency as from currency, select a different currency as to currency, type in exchange rate, long press own currency. Now all exchange rates for the other currencies will be calculated and stored. On Watch just deep press on currency calculator.
Any questions or wishes -> Support // Email
//*** Including Currency Exchange Calculator for iPhone, iPad and Apple Watch***//
The only one pocket calculator for iPhone, iPad, Apple Watch, Apple TV and also works as Today Widget, Message Extension and Keyboard.
Simple pocket calculator supports parentheses and memory functions.
See what you calculate.
Also as Today Widget, Message Extension or Keyboard possible - just enable it.
Calculate a number of days to an given date or show the weekday name of a given date.
Currency Exchange Calculator available for iPhones and Apple watch.
Please note: The Apple Watch calculator is small. Anyhow all on a single screen and the calculation step is always visible.
Apple Watch: You can choose between three screens:
- Big Buttons // Operators left
- Big Buttons // Operators right
- Smaller buttons // With parentheses
In addition you can disable the Function Screen. Then it is a simply calculator. Just go to the Watch Settings.
Support for Deep Pressure Gestures - or long press on older iPhones/ iPads:
M+ -> M-
MR -> Show only Memory
C -> AC
f(x) -> Display Currency Converter
pi -> Random number between 0...1
e -> Random integer number between 0...n
% -> deferred payment credit/ monthly rate (i = interest rate, m = month)
( -> Add open parenthesis at beginning
) -> Add open and close parentheses
(⋯) -> Add close parenthesis
Define own Currency in Settings App (iOS Settings/ Watch Settings)
Select own currency as from currency, select a different currency as to currency, type in exchange rate, long press own currency. Now all exchange rates for the other currencies will be calculated and stored. On Watch just deep press on currency calculator.
Any questions or wishes -> Support // Email
🆕 What's New · v6.1.9
Magic Keyboard Bugfix
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Mein Rechner (inkl. Währungen)
- Developer
- Joachim von Caron
- Bundle ID
- de.caron.myCalculator
- App Store URL
- Open in App Store
- Category
- Finance
- Content rating
- 4+
- Languages
- EN, DE
Company
- Website
- von.caron.de
- Tagline
- von.caron.de
- 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
- $287/mo
- Top-grossing rank
- Outside top 100 in US Finance
- 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
- https://von.caron.de/contact/
- About page
- Not found
📈Ratings growth8 ratings+14% lifetimeShow 3-year history estimate ▾
Tracked (1 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.
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