Tunnel vs CellTrust SL2 for Microsoft
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tunnel
This app provides secure access to corporate resources for your work-managed applications. It offers on-demand connectivity, activating automatically when needed and disconnecting afterward. The app prioritizes user privacy by only connecting work-related apps and sites, keeping personal data separate.
- Secure corporate resource access
- On-demand app connectivity
- Privacy-focused design
- Connects internal and public apps
- Separates work and personal space
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Workspace ONE Tunnel securely connects both internally built and public App Store applications to corporate resources within your network. Tunnel natively gives your apps on-demand access to what you need to be productive, without touching your personal space. *On-demand access* Tunnel activates automatically when your apps needs it and disconnects soon after they’re done. *Privacy Focused* Tunnel only connects work-managed applications and sites, respecting your personal space as top priority.
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.
Screenshots
Verdict
The clearest difference is rating: CellTrust SL2 for Microsoft at 5.0 against Tunnel's 3.1. Tunnel's advantage is ratings volume (77 vs 4) and iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
CellTrust SL2 for Microsoft holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Tunnel has 77 ratings behind it against 4, so its average is the more settled of the two.
Tunnel ships an update every 2 months, CellTrust SL2 for Microsoft every 3 months. The most recent releases landed on September 23, 2026 and July 27, 2026 respectively.
| Parameter | Tunnel | CellTrust SL2 for Microsoft |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (77 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 77 — better | 4 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 54 MB | 145 MB |
| Age rating | 4+ | 4+ |
| Developer | AirWatch, LLC | CellTrust Corporation |
Customer experience
Tunnel
CellTrust SL2 for Microsoft
In-app purchases
Tunnel
No in-app purchases
CellTrust SL2 for Microsoft
No in-app purchases
Questions
Is Tunnel free?
Is CellTrust SL2 for Microsoft free?
Which has better reviews, Tunnel or CellTrust SL2 for Microsoft?
Do Tunnel or CellTrust SL2 for Microsoft have ads?
Which is updated more often, Tunnel or CellTrust SL2 for Microsoft?
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