# CellTrust SL2 for Microsoft vs Notate PDF

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.

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.

## The numbers

| Metric | CellTrust SL2 for Microsoft | Notate PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/celltrust-sl2-for-microsoft/id1442087513/reviews)** | [4.3 (33 ratings)](https://appshunter.io/ios/app/notate-pdf/id1490573353/reviews) |
| Number of ratings | 4 | **33** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 146 MB | 224 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CellTrust Corporation](https://appshunter.io/developer/516410103) | [Shafer Systems LLC](https://appshunter.io/developer/648469052) |

## What reviewers say

### CellTrust SL2 for Microsoft

[App page](https://appshunter.io/ios/app/celltrust-sl2-for-microsoft/id1442087513)

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.

**Highlights:** Device and application management, Secure mobile communication, Regulatory compliance, Automatic communication archiving, Secure mobile voice and messaging, Integration with Microsoft 365

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Notate PDF

[App page](https://appshunter.io/ios/app/notate-pdf/id1490573353)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.49 | per month |
| Monthly subscription(promo) | $3.49 | per month |
| Monthly Subscription | $3.49 | per month |
| Monthly Premium Subscription | $3.49 | per month |
| Annual subscription | $29.99 | per year |
| Annual subscription (promo) | $29.99 | per year |
| Annual Subscription | $29.99 | per year |
| Annual Premium Subscription | $29.99 | per year |
| 14 day premium trial | Free | one-time |


## Frequently asked questions

### Is CellTrust SL2 for Microsoft free?

CellTrust SL2 for Microsoft is free to download, with no in-app purchases.

### Is Notate PDF free?

Notate PDF is free to download, with in-app purchases available.

### Which has better reviews, CellTrust SL2 for Microsoft or Notate PDF?

CellTrust SL2 for Microsoft is rated higher. CellTrust SL2 for Microsoft averages 5.0 out of 5 from 4 ratings, while Notate PDF averages 4.3 from 33 ratings.

### Do CellTrust SL2 for Microsoft or Notate PDF have ads?

Neither CellTrust SL2 for Microsoft nor Notate PDF shows ads.

### Which is updated more often, CellTrust SL2 for Microsoft or Notate PDF?

CellTrust SL2 for Microsoft ships an update every 3 months, and Notate PDF every 3 months. Most recently, CellTrust SL2 for Microsoft was updated on November 2, 2026 and Notate PDF on November 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*