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53
BU Score
Solid

Durchbiegung Lite

4.5 ✍️ Editor
✍️ bumetric analysis

Durchbiegung Lite is an iOS app from Blue Ketchep in the Productivity category, currently rated 4.5★ across 46 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 53: 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

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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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💰 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 5 of 5 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 (10y old)METRIC
+$1,500
Multilingual (13 languages)METRIC
+$1,500
Good rating (4.5★)METRIC
+$800
Pre-traction phase (46 ratings)METRIC
−$300
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 →
💾 108 MB🔞 4+📱 iOS 15.0+🔖 v8.1.1🔄 updated 2y ago🌐 NL, EN, FR, DE, IT +8📂 Productivity💰 Paid🚀 Launched 2015 (10y old)

📝 About this app

Deflection Lite is the most interactive, fast, and precise app available for structural beam analysis. Simply drag loads and supports on the beam, and see how it bends.

RESULTS

Calculate reactions, shear force, bending moment, and beam deflection quickly and easily.

CROSS SECTION DATABASES

Specify elastic modulus and moment of inertia values directly, or find common shapes and materials using the built-in databases, which include most international steel sections, as well as some aluminum and wood shapes.

UNLIMITED LOADS AND SUPPORTS

Simply drag any load or support on the beam.

• Concentrated point loads
• Distributed loads
• Moment loads
• Simple supports
• Fixed supports
• Fixed hinges
• Floating Gerber hinges

OTHER FEATURES

• Export your design to a permalink that you can share.
• Automatic detection of local maxima and minima in diagrams
• Metric and standard measurement units

CONTACT

We like to hear from you! Please email contact@ketchep.com if you have any issues, questions, or comments.

🆕 What's New · v8.1.1

Minor fixes.

Profile & Insights

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

Identification

App name
Durchbiegung Lite
Developer
Blue Ketchep
Bundle ID
com.glerok.shafter.lite
App Store URL
Open in App Store
Category
Productivity
Content rating
4+
Languages
NL, EN, FR, DE, IT, JA, KO, PT, RU, ZH, ES, ZH, TR

Company

Website
deflection.app
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
$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
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
Recent App Store Reviews2 latest · avg 1.0★ · 0% 5★ · 100.0% 1★
5★
0 (0%)
4★
0 (0%)
3★
0 (0%)
2★
0 (0%)
1★
2 (100%)
+0 ratings/week
Complaints: terrible ×1 refund ×1
Top positive
★☆☆☆☆ Clumsy UI
Clums y UI coupled with limited functionality has me looking for something better.…
★☆☆☆☆ Civil engineer
Terrible app, what a pain in the neck to use. Poorly designed application, please refund my purchase.…
Top negative
★☆☆☆☆ Clumsy UI
Clums y UI coupled with limited functionality has me looking for something better.…
★☆☆☆☆ Civil engineer
Terrible app, what a pain in the neck to use. Poorly designed application, please refund my purchase.…
📈Ratings growth46 ratings+4500% lifetimeShow 3-year history estimate ▾Sep 2020Oct 2024May 2026
Tracked (4 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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Full revenue analysis
Read the article-style breakdown for Durchbiegung Lite: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →