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66
BU Score
Solid

eCurrency - Währungsrechner

4.5 ✍️ Editor
✍️ BU Analytics Review

eCurrency - Währungsrechner is an iOS app from Hendrik Holtmann in the Travel category, currently rated 4.5★ across 134 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 66Solid (established niche player). For a Travel 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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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
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 9 of 9 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 (4.5★)METRIC
+$2,200
5 starREVIEW
+$1,800
great valueREVIEW
+$1,600
excellent appREVIEW
+$1,500
Mature app (17y old)METRIC
+$1,500
highly recommendREVIEW
+$1,400
Localized (9 languages)METRIC
+$600
Early-stage install base (134 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.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 22 MB🔞 4+📱 iOS 10.0+🔖 v4.2🔄 updated 7y ago🌐 EN, FR, DE, IT, JA +4📂 Travel💰 Paid🚀 Launched 2009 (17y old)

📝 About this app

eCurrency is far more than an easy to use currency converter and handy calculator. It supports over 200 popular currencies; works without active internet connection and even supports custom rates. eCurrency offers rich graphical charts for all exchange rates and supports calculations with historical exchange rates, making this the perfect tool for business, overseas travel and for anyone interested in currency trading.

eCurrency offers the following features:

► Easy-to-use appealing interface
► One screen for all major functionalities
► Designated keypad for fast number entry; plus a handy built-in math’s calculator
► Configures up to 8 converters; swipe through as on the iPhone‘s home screen
► Supports over 200 currencies (for a full list see: http://bit.ly/knBkeS)
► Detailed graphical charts for all exchange rates (1-week, 1-month, 3-months, 6-months, 1-year, 2-years, and 5-years)
► Automatic setting of home currency and number formatting
► Reliable functionality: No active internet connection required
► Exchange rates automatically updated on startup (Automatic update can be deactivated to avoid roaming costs)
► Supports custom exchange rate entry
► One touch reverse currency conversion
► Special ‘shake to inverse calculation’ feature
► Select and create a list of preferred currencies for fast access


==Easy to use interface==
eCurrency interface is designed for ease of use. Just start the application and type in the amount you want to convert and eCurrency converts instantly. Tap on one of the flags to change the currency you want to convert to. A built-in calculator allows for math calculations. The current exchange rate and rate change compared to the previous day is conveniently displayed in the main interface.

==Favorites Support==
eCurrency supports over 200 currencies. The “Favorites” functionality allows you to define the currency pairs you use as favorites. To create a new favorite go into the “Settings” and touch the “+” Button. You can swipe through all your favorites on the main calculation interface just as you swipe the pages on the iPhone’s home screen.

== Charts and Historic Rates==
eCurrency provides detailed historical charts for all exchange rates. Just rotate the device to landscape, to view the chart for the active currency pair. You can switch the chart display between a 1-week, 1-month, 3-month, 6-month, 1-year, 2-year or 5-year period. Tap on the chart to display the exact exchange rate tor a particular day. Tap and hold to use a specific exchange rate for historic calculations.

== Exchange Rate Updates ==
eCurrency updates exchange rates automatically on every start-up or on demand. You can turn off automatic updates to avoid roaming costs. The conversion and calculation functionally works completely offline using the latest downloaded exchange rates; the display of historical charts requires an active internet connection.

==Rates Provider==
eCurrency is not dependant on any single data-source. The application obtains its exchange rates from our self-developed Currency-Provider-engine that aggregates rates data from multiple sources to secure the reliability of exchange rate updates.

== Tutorial & Support==
On the first startup a short self-running demo is displayed to introduce you to the app. We appreciate any reviews or comments you may have on eCurrency in iTunes. If you have any questions please contact us directly, as we are unable to respond to your enquiries via iTunes.

🆕 What's New · v4.2

* Added support for iOS 12

Profile & Insights

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

Identification

App name
eCurrency - Währungsrechner
Developer
Hendrik Holtmann
Bundle ID
com.eidac.eCurrency
App Store URL
Open in App Store
Category
Travel
Content rating
4+
Languages
EN, FR, DE, IT, JA, RU, ZH, ES, ZH

Company

Website
www.eidac.de
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
$36.6K/mo
Top-grossing rank
Outside top 100 in US Travel
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
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
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth134 ratings+-67% lifetimeShow 3-year history estimate ▾Mar 2013Apr 2017May 2026
Tracked (54 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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