CellTrust SL2 for Microsoft vs Notate PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CellTrust SL2 for Microsoft
This app provides a secure mobility solution for businesses, integrating with Microsoft Intune to manage devices and mobile communications. It ensures regulatory compliance, captures business communications for archiving, and offers secure messaging and voice features.
- Device and application management
- Secure mobile communication
- Regulatory compliance
- Automatic communication archiving
- Secure mobile voice and messaging
- Integration with Microsoft 365
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CellTrust SL2™ and Microsoft Intune deliver a complete mobility solution for enterprises to take control of their devices, applications and mobile communication. Residing inside the Microsoft Intune container, which provides advanced controls for organizations to monitor and manage BYOD and COPE deployments, SL2 helps ensure that your organization’s mobile communications meet the highest standards of security and regulatory compliance. Fully archive agnostic, SL2 automatically captures business communications and routes them to your preferred archiving provider—supporting compliance without disrupting workflows. SL2 features secure mobile voice (optional) and messaging via a dedicated US phone number (Mobile Business Number - MBN) with Single Sign On, and integration with Microsoft 365 Exchange contacts. SIM card or VOIP voice options and features like Group Conversation enabling participants to converse and collaborate are also available. CellTrust container services are included. SL2 integrated with Microsoft Intune enables a rich set of mobile application protection policies to safeguard client data within the trusted Azure Cloud, helping to protect enterprises against cyber attacks. Integrating with Microsoft Intune enhances security and manageability features within the productive and trusted Azure cloud platform with increased endpoint security, Enterprise App Management and Endpoint Privilege Management. Any names or other personal data displayed are fictional and not based on real individuals. For use under patents: https://www.celltrust.com/SL2patents.
Notate PDF
Edit, annotate, and collaborate on PDF and Microsoft Office files online or offline. This app integrates with cloud storage and email for seamless business workflows, offering digital signatures and OCR scanning.
- Edit PDFs and Office documents
- Sign and approve documents digitally
- Collaborate with threaded comments
- OCR scanning for searchable PDFs
- Handwrite, type, or draw notes
- Integrates with cloud storage
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IMPORTANT: NOTATE REQUIRES a Microsoft 365, Hotmail, or Outlook.com email account. It has been specially designed to operate with Microsoft Office 365. Perfect for small & midsize businesses. Stay productive while you work from home! NOTATE PDF - THE OFFICE WORKSPACE FOR BUSINESS WHY NOTATE PDF? Edit and Annotate - Online or Offline Work with PDFs and Microsoft Office files using advanced editing, annotation, and collaboration tools. Built for Business Workflows Seamlessly access, edit, and organize files from Email, OneDrive, Dropbox, Box, WebDav, and more. KEY FEATURES • Edit PDFs and Office Documents Modify text, add comments, split or merge pages, and redact sensitive data. Create new documents or annotate existing ones in one unified experience. • Sign and Approve Documents Add legally binding digital signatures to contracts, forms, and compliance documents. • Collaborate in Context Share annotated documents and use threaded comments for feedback. Eliminate the back-and-forth of scattered reviews. • Scan, Search, and Capture Digitize paper documents with OCR scanning. Convert to searchable PDFs and attach to secure repositories or email. • Take Notes Your Way Handwrite, type, or draw with full Apple Pencil support. Organize content with rich formatting, embedded media, and folders. • Deploy with Confidence EXPERIENCE THE FUTURE OF MOBILE PRODUCTIVITY Download Notate PDF and empower yourself to edit with confidence — no matter where you work.
Screenshots
Verdict
The clearest difference is rating: CellTrust SL2 for Microsoft at 5.0 against Notate PDF's 4.3. CellTrust SL2 for Microsoft also leads on in-app purchases (none vs 9). Notate PDF's advantage is ratings volume (33 vs 4). On price, update cadence, ads 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. Notate PDF sells 9 in-app purchases, starting at $3.49 per month. CellTrust SL2 for Microsoft asks for nothing beyond the download.
CellTrust SL2 for Microsoft holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Notate PDF has 33 ratings behind it against 4, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | CellTrust SL2 for Microsoft | Notate PDF |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.3 (33 ratings) |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | 4 | 33 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 146 MB | 224 MB |
| Age rating | 4+ | 17+ |
| Developer | CellTrust Corporation | Shafer Systems LLC |
Customer experience
CellTrust SL2 for Microsoft
Notate PDF
In-app purchases
CellTrust SL2 for Microsoft
No in-app purchases
Notate PDF
- Monthly Subscription1 Month trial$3.491 Month
- Monthly subscription(promo)1 Year trial$3.491 Month
- Monthly Subscription14 Days trial$3.491 Month
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- Monthly Premium Subscription$3.491 Month
- Annual subscription1 Month trial$29.991 Year
- Annual subscription (promo)1 Year trial$29.991 Year
- Annual Subscription14 Days trial$29.991 Year
- Annual Premium Subscription$29.991 Year
- 14 day premium trialFree
Questions
Is CellTrust SL2 for Microsoft free?
Is Notate PDF free?
Which has better reviews, CellTrust SL2 for Microsoft or Notate PDF?
Do CellTrust SL2 for Microsoft or Notate PDF have ads?
Which is updated more often, CellTrust SL2 for Microsoft or Notate PDF?
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