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54
BU Score
Solid

Flexi PDF

4.2 ✍️ Editor
✍️ BU Analytics Review

Flexi PDF is an iOS app from JOIN SHIP TECH LIMITED in the Business category, currently rated 4.2★ across 293 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 54Solid (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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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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Good rating (4.2★)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
Early-stage install base (293 ratings)METRIC
+$400
Single-language (English only)METRIC
−$400
Growing app (1y old)METRIC
+$200
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26

⭐ 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 →
💾 52 MB🔞 4+📱 iOS 13.0+🔖 v1.0.6🔄 updated 9mo ago🌐 EN📂 Business💰 Paid🚀 Launched 2025 (1y old)

📝 About this app

Do you often find it difficult to handle PDF files? Flexi PDF can provide you with efficient solutions. This tool has comprehensive functions, easy operation, and can easily meet various PDF processing needs. 1. PDF Splitting: Accurately Extracting Content When faced with lengthy PDF files and the need to locate specific chapters or content, the splitting function of Flexi PDF can divide the file into independent parts according to requirements, making it easy to quickly obtain the required content and effectively improving file management efficiency. 2. PDF synthesis: Integrating multiple files In work and study, it is often necessary to summarize multiple PDF files. With the help of this tool, scattered files can be easily merged into a complete document in the specified order, achieving efficient integration of information. 3. Local PDF cropping: Remove excess parts When there are excess blank margins, headers, footers, or unnecessary content in a PDF file, use the cropping function to customize the cropping area through simple box selection operations, making the file page concise and highlighting key points. 4. Quick save and export: convenient for sharing and use After completing the above operations, Flexi PDF supports quick saving and exporting of processed files, and is compatible with multiple common formats, making it easy to transfer and use between different devices and platforms, seamlessly connecting work and learning processes. Choose Flexi PDF to experience efficient and convenient PDF processing services, easily handling various PDF processing tasks.

🆕 What's New · v1.0.6

Fixed known issues

Profile & Insights

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

Identification

App name
Flexi PDF
Developer
JOIN SHIP TECH LIMITED
Bundle ID
com.JOINSTS.PDFFlexi
App Store URL
Open in App Store
Category
Business
Content rating
4+
Languages
EN

Company

Website
Not found
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
$459/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
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 Reviews8 latest · avg 2.0★ · 25.0% 5★ · 75.0% 1★
5★
2 (25%)
4★
0 (0%)
3★
0 (0%)
2★
0 (0%)
1★
6 (75%)
+5 ratings/week
Praise: great ×1Complaints: scam ×2
Top positive
★☆☆☆☆ Idk
How do this work?…
★★★★★ Muy buenas series
💯…
Top negative
★☆☆☆☆ это спам
это спам…
★☆☆☆☆ I don’t like
I don’t like…
📈Ratings growth293 ratings+1442% lifetimeShow 3-year history estimate ▾Apr 2025Dec 2025May 2026
Tracked (10 weeks) Pre-tracking estimate (14 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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