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Rechnung

✍️ Editor
✍️ bumetric analysis

Rechnung is an iOS app from Alteru Inc. in the Finance category, currently rated across few ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.

Our BU Score puts it at 0: Niche (micro-niche or pre-traction stage). For a Finance app, that means micro-niche or pre-traction stage.

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 3 of 3 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
bugsREVIEW
−$1,800
Mature app (15y old)METRIC
+$1,500
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 →
💾 6 MB🔞 4+📱 iOS 15.6+🔖 v26🔄 updated 10mo ago🌐 EN, ZH📂 Finance💰 Free🚀 Launched 2011 (15y old)

📝 About this app

Invoice is the accounting and invoicing software.
Features:
- Generate Custom invoice with editable date and invoice number
- Generate the invoice with Signature
- Customers Center
- Item List entry
- Issue Invoice with any invoice number
- Generate QR code/Bar code for the item for scanning
- Scan the item and generate invoice, can be Sales Manager
- Purchase and Bill center for COGS and expense
- Current Monthly and Yearly Profit and Lost Report
- Tax and Shipping Cost are included for the invoices
- Support Multiple invoice sheets

🆕 What's New · v26

fixed item QR code generation problem

Profile & Insights

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

Identification

App name
Rechnung
Developer
Alteru Inc.
Bundle ID
com.alteru.business.fastbooks
App Store URL
Open in App Store
Category
Finance
Content rating
4+
Languages
EN, ZH

Company

Website
www.alteru.com
Tagline
Alteru Inc.
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
$195/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
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
http://www.alteru.com/contact.html
About page
Not found
Recent App Store Reviews14 latest · avg 2.07★ · 14.3% 5★ · 57.1% 1★
5★
2 (14%)
4★
1 (7%)
3★
1 (7%)
2★
2 (14%)
1★
8 (57%)
+0 ratings/week
Praise: recommend ×1 great ×1 perfect ×1 awesome ×1Complaints: crash ×3 refund ×2 bug ×2 hate ×1
Top positive
★★★★☆ Thanks for the fix
I am very happy that you fixed the crash issue..... thanks for listening!!! I can't wait to see you guys polish this app to perfection... keep up the good work!!!…
★★★★★ Great
I really like this app its great…
Top negative
★☆☆☆☆ 2.99 really
I can't even write a review for this the invoice portion of this app does not work crashes every time I try to use it. I would like my money back…
★☆☆☆☆ Doesn't work
Do not waste your money How do I get mine back ?…
🌍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 Alteru Inc.

View all →

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Full revenue analysis
Read the article-style breakdown for Rechnung: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →