NetSfere Secure Messaging vs Cellcrypt Enterprise
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NetSfere Secure Messaging
This app offers secure, encrypted messaging, voice, and video for enterprises. It provides centralized control and compliance with global regulations, enhancing productivity and collaboration.
- Quantum-proof end-to-end encryption
- Centralized administrative control
- Regulatory compliance (FedRAMP, GDPR, HIPAA, etc.)
- Secure voice and video calls
- Mobile-first enterprise messaging
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NetSfere combines mobile messaging, voice, and video into a highly available, encrypted, compliant, and quantum-proof platform providing enterprises with a private, secure, and centrally managed cloud-based service. As a mobile-first and enterprise-first messaging app, NetSfere offers a robust set of features that improve productivity and help enterprises comply with regulatory standards. Key Benefits include: Security: An industry-first Quantum-Proof Secure Communication Platform powered by ML-KEM 1024 end-to-end encryption that provides robust protection for sensitive business data and intellectual property, ensuring a secure communication environment for enterprises. Control: A centralized administrative control panel with comprehensive capabilities to manage all facets of the communication platform, encompassing user provisioning, end-user policies, and privileges as prescribed by the enterprise. Compliance: Comprehensive administrative, physical, and technical safeguards that enable enterprises to achieve complete regulatory compliance by adhering to the most stringent and dynamic global compliance and privacy standards of FedRAMP, SOC2, GDPR, HIPAA, FINRA, SOX, DFA, and other relevant regulations. Engagement: Drives collaboration and productivity by empowering employees to communicate securely and safely over their preferred channels for communication – text, voice, and video in an instantaneous, contextual, and highly engaging mobile messaging environment.
Cellcrypt Enterprise
Securely communicate with end-to-end encrypted voice, video, messaging, and file transfers. Offers post-quantum protection for sensitive government and enterprise communications, supporting large file sharing and group chats.
- Post-quantum protected communications
- End-to-end encrypted voice and video calls
- Secure instant messaging
- Large file transfer (500MB+)
- Group chats for secure collaboration
- Mutual authentication for calls
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SECURE COMMUNICATIONS WITH POST-QUANTUM PROTECTION *Can only be used with a Valid Enterprise Licence.* End-to-End Encryption with Post-Quantum Protection for Secure Voice, Video, Messaging, and File Transfers Protecting Sensitive to Highly Classified Government Communications Worldwide. Secure Instant Messaging Need to send a large file (500MB+) securely? No Problem. Cellcrypt Enterprise delivers military-grade encryption for private messaging, facilitating the seamless and secure exchange of files and ideas. Share photos, videos, voice notes and files effortlessly. Each message and file you send is safeguarded by a unique encryption key, providing unparalleled end-to-end security. Cellcrypt Enterprise enhances your collaborative efforts by allowing the creation of group chats for private messaging and file sharing directly within the app. These features boost productivity and foster secure, efficient communication within your enterprise. Secure Voice and Video Calls Calls are safeguarded with end-to-end encryption and signal obfuscation, providing the highest level of security through your mobile device's data connection. But it's not just about securing your calls; it's about enhancing your communication experience. Cellcrypt Enterprise's cutting-edge phone call encryption codecs ensure high-definition call quality, optimizing data and battery usage even across the most austere, low-bandwidth, mobile/wireless networks. Cellcrypt Enterprise supports secure calling over an extensive range of IP-based networks, including Wi-Fi, 5G, 4G/LTE, 3G/HSDPA, and satellite networks. Mutual authentication of all call participants eliminates any potential risks associated with Caller ID spoofing and Man in The Middle (MITM) attacks. Secure Conference Calls A conference bridge can be established instantly by creating a group of contacts and hitting the call button. With only mutually authenticated, authorized users, Cellcrypt Enterprise conference calls eliminate the need for participant PINs and passwords. Work Anywhere, on Any Device Cellcrypt Enterprise can be downloaded instantly for immediate use with no additional hardware dependencies. End-to-End Encryption Cellcrypt Enterprise uses double-layer encryption in an end-to-end configuration, with a new key for every call and message. The system is modular and adheres to best practice cryptographic standards/protocols, powered by a robust crypto core. With Cellcrypt Federal, data is secured end-to-end using advanced Elliptic Curve and Symmetric-Key Cryptography. For post-quantum protection, the underlying cryptography is overlaid with state-of-the-art Post-Quantum Cryptography algorithms for voice, video, messaging, and file transfers. International Security Standards Cellcrypt Enterprise is designed to meet the highest international security standards and is trusted by governments worldwide for protecting their most sensitive communications. Developed by an international team across multiple countries, Cellcrypt Enterprise represents a truly global solution for secure communications.
Screenshots
Verdict
The clearest difference is update cadence: Cellcrypt Enterprise at fortnightly against NetSfere Secure Messaging's every 2 months. Cellcrypt Enterprise also leads on iOS requirement (13.0 vs 16.0). NetSfere Secure Messaging's advantage is review sentiment (93% vs 75%) and rating (4.7 vs 4.5). On price, ads, in-app purchases and monetization model 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.
NetSfere Secure Messaging holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: NetSfere Secure Messaging has 115 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 93% of NetSfere Secure Messaging's written reviews are positive against 75% of Cellcrypt Enterprise's.
NetSfere Secure Messaging ships an update every 2 months, Cellcrypt Enterprise fortnightly. The most recent releases landed on September 7, 2026 and June 3, 2026 respectively.
| Parameter | NetSfere Secure Messaging | Cellcrypt Enterprise |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (115 ratings) — better | 4.5 (15 ratings) |
| Positive reviews | 92.6% of reviews — better | 75.0% of reviews |
| Number of ratings | 115 — better | 15 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 133 MB | 218 MB |
| Age rating | 4+ | 4+ |
| Developer | Infinite Convergence Solutions, Inc. | Cellcrypt Inc. |
Customer experience
NetSfere Secure Messaging
Cellcrypt Enterprise
Bugs and requests
NetSfere Secure Messaging
Reported bugs
8 issues- Cannot delete downloaded pictures
- Login issues on iPad
- Push notifications for muted chats
- App crashes when opening broadcasts
- No notifications for new messages on iOS until app is opened
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- Constant glitches and encrypted message errors
- Freezes when typing, losing typed messages
- Adding contact to thread removes other contacts
Requested features
6 requests- Ability to delete downloaded pictures
- More sticker and emoji options
- Ability to ring someone when in conference
- Organize photos and documents received
- Attachment gallery
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- Streamline saving files
Cellcrypt Enterprise
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NetSfere Secure Messaging
No in-app purchases
Cellcrypt Enterprise
No in-app purchases
Questions
Is NetSfere Secure Messaging free?
Is Cellcrypt Enterprise free?
Which has better reviews, NetSfere Secure Messaging or Cellcrypt Enterprise?
Do NetSfere Secure Messaging or Cellcrypt Enterprise have ads?
Which is updated more often, NetSfere Secure Messaging or Cellcrypt Enterprise?
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