52
BU Score
Solid
Kontaktkarte: Gebiet verwalten
✍️ bumetric analysis
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Kontaktkarte: Gebiet verwalten is an iOS app from Youngwan Choi in the Business category, currently rated 4.4★ across 5 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 52: Solid (established niche player). For a Business 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
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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 6 of 6 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 | |
| Mature app (14y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.4★)METRIC | +$800 | |
| Localized (7 languages)METRIC | +$600 | |
| Pre-traction phase (5 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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 23 MB🔞 4+📱 iOS 13.0+🔖 v2.3.1🔄 updated 2w ago🌐 EN, FR, DE, IT, JA +2📂 Business💰 Paid🚀 Launched 2011 (14y old)
📝 About this app
Contactmaps is an app that is to let you find location of your contacts or places on a map based on your Contacts.
Contactmaps is great for business/sales men and women who want to plan to visit customer and territory customer management like Salesforce maps.
Contactmaps is great for people who want to remember and find places like restaurants in your address book, not into public web. You can make your own trip map, restaurant map, good place map to visit
Contactmaps allows you to
• view location of your contacts on a map
• view contacts by photo/pin on a map (can select options)… View full description on the official store →
Contactmaps is great for business/sales men and women who want to plan to visit customer and territory customer management like Salesforce maps.
Contactmaps is great for people who want to remember and find places like restaurants in your address book, not into public web. You can make your own trip map, restaurant map, good place map to visit
Contactmaps allows you to
• view location of your contacts on a map
• view contacts by photo/pin on a map (can select options)… View full description on the official store →
🆕 What's New · v2.3.1
• Improved stability on iOS 26.4.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Kontaktkarte: Gebiet verwalten
- Developer
- Youngwan Choi
- Bundle ID
- contactmapplus.dobiho
- App Store URL
- Open in App Store
- Category
- Business
- Content rating
- 4+
- Languages
- EN, FR, DE, IT, JA, KO, ZH
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
- $8.2K/mo
- Top-grossing rank
- Outside top 100 in US Business
- 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/id1750986966
⭐Recent App Store Reviews13 latest · avg 4.0★ · 69.2% 5★ · 15.4% 1★
5★9 (69%)
4★0 (0%)
3★1 (8%)
2★1 (8%)
1★2 (15%)
+0 ratings/week
Praise: great ×2 best ×2 awesome ×2 love ×1 perfect ×1Complaints: bug ×1 crash ×1
Top positive
★★★★★ cool app
it's useful for me to visit my clients or some places…
★★★★★ fatest contact map.
pros.
fast, simple, easy
cons.
too simple, it could be better support to import photos and adresses from other adress book like google, twitter, facebook.…
Top negative
★☆☆☆☆ Does NOT work with 4000 contacts
I have 4000 contacts but the application is unable to show more than a few hundred in the map.…
★☆☆☆☆ Crashes! Useless app!
Useless app! crashes whenever I hit the Contact Update button! Please fix this bug!! Am running iOS 5.1.1 on an iPhone 4s.…
📈Ratings growth5 ratings+400% lifetimeShow 3-year history estimate ▾
Tracked (15 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.
Full revenue analysis
Read the article-style breakdown for Kontaktkarte: Gebiet verwalten: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.