SAI CAB vs PDF AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SAI CAB
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SAI CAB is a Solar PV app. SAI CAB helps you to work and manage your technical and sales requirement wherever you are. SAI CAB is a marketplace and a common platform that connects Consumers, PV Installers, DisComs and State Nodal Agencies. SAI CAB app allows user to: 1. Create Solar PV (SPV) Design (Map based UI to calculate the size of the SPV system that can be installed) 2. Calculate Savings and Payback of investment 3. Get verified Solar PV Installers and quotes 4. Financial Analysis 5. Generate techno-commercial report 6. Manage solar sales with mobile, fast and colourful project management system The SAI CAB App changes the way end customers and rooftop solar professionals work. Highlights and features of the app for Solar Professionals are listed below: 1. Lead Management 2. Financial analysis and tools to get cash flow, break-even analysis etc. 3. Use standard terms and conditions for your proposal 4. Energy output calculation 5. Customer proposal template in a customized form 6. Email a quote to your client right from your device within minutes of using this app 7. Project management via cloud technology to monitor the progress of the lead/project 8. Increase conversions with quick, detailed and professional offers Design and manage your sales with your smartphone or tablet wherever you are. Increase your work performance and make it more professional using SAI CAB Solar Platform
PDF AI
This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.
- Edit PDF text and images
- AI-powered summaries and highlights
- Annotate and collaborate on documents
- Fill and e-sign forms
- Convert PDFs to Word, Excel, PPT, Images, TXT
- Secure offline scanning and organization
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AI-powered PDF toolkit built for speed, security, and clarity. Chat with PDFs, summarize long documents, generate slides, create podcast-style audio, scan, edit, convert, sign, and collaborate—without friction. What you can do • Chat with PDFs: Ask questions and get instant answers from documents. • Summarize smarter: Turn long PDFs, reports, papers, and books into clear key points. • Generate with AI: Create slides, podcast-style audio, visual digests, and insight cards from documents. • Edit PDFs: Modify text, images, and layout with precision. • Read smarter: AI summaries, highlights, bookmarks, day/night/Sepia. • Annotate & collaborate: Highlight, underline, notes, sketches, comments, and share. • Fill & sign: Complete interactive forms and e‑sign on the go. • Convert fast: PDF ⇄ Word/Excel/PPT/Images/TXT with high fidelity. • Scan & organize: Scan documents, extract text with OCR, search, manage, and work offline securely. Why it’s better • AI tools for reading, understanding, presenting, and listening to documents. • Lightning-fast viewer for large PDFs. • Privacy-first: local processing and strong encryption. • Professional output, zero watermarks for subscribers. • Continuous updates with new AI capabilities. VIP (auto‑renewable subscriptions) • Monthly or yearly plans available. • Unlock premium tools: advanced editing, full‑text search, batch processing, high‑quality exports, AI summaries, AI chat, AI slides, podcast-style audio, visual digests, OCR, conversion tools, and more. Policies • Privacy: https://sophoninc.com/privacy.html • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Terms of Service: https://sophoninc.com/terms.html Contact • Email: feedback@sophoninc.com
Screenshots
Verdict
The clearest difference is in-app purchases: SAI CAB at none against PDF AI's 5. SAI CAB also leads on ads (none vs shown) and iOS requirement (13.4 vs 15.0). On price, update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PDF AI sells 5 in-app purchases, starting at $7.99 per 7 days. SAI CAB asks for nothing beyond the download.
SAI CAB ships an update fortnightly, PDF AI every 3 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.
| Parameter | SAI CAB | PDF AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (163 ratings) — better |
| Positive reviews | — | 88.4% of reviews |
| Number of ratings | — | 163 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 56 MB | 169 MB |
| Age rating | 4+ | 4+ |
| Developer | AHASOLAR TECHNOLOGIES LIMITED | Yang Yang |
In-app purchases
SAI CAB
No in-app purchases
PDF AI
- Weekly VIP$7.997 Days
- Weekly VIP$9.997 Days
- Weekly VIP3 Days trial$9.997 Days
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- Monthly VIP3 Days trial$14.991 Month
- Yearly VIP3 Days trial$59.991 Year









