Comparison

Email Security Suite vs Skylar Enterprise

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Email Security Suite

Read full description

Email Security Suite by Sixscape is a certificate manager for popular email clients for certificate based digital signing and encryption of mails. Email Security Suite delivers on internal and external secure email communications with automation of certificate request, deployment and management with protection of your private key and allows you to achieve and maintain compliance.

About

Skylar Enterprise

Features
Read full description

Skylar - Enterprise Edition: Revolutionize Your Business Communication Discover the future of mobile communication with Skylar - Enterprise Edition, developed by Brotecs Technologies, LLC. This state-of-the-art VoIP softphone is engineered to provide your business with a secure, reliable, and seamless communication solution over 3G, 4G/LTE, 5G, and Wi-Fi networks. Whether you're managing remote employees, field agents, or looking to eliminate expensive roaming charges while traveling abroad, Skylar has you covered. Key Features Exceptional Call Quality: Experience crystal-clear conversations with Skylar's advanced network quality sensing technologies, including Adaptive Jitter Buffer, Packet Loss Concealment, Noise Suppression, Automatic Resampling, and Gain Control. Our satellite network-friendly audio codec ensures smooth call quality even on low bandwidth channels. Uncompromised Security: Keep your business communications secure with Skylar's robust encryption and security settings. Real-Time Insights: Gain immediate access to live call statistics and network details, enabling your IT team to provide fast and effective support. Tailored to Your Brand: Skylar offers extensive branding, customization, and licensing options, making it the perfect fit for service providers and enterprises. Contact sales@brotecs.com to learn more. Seamless Multi-Tasking: Continue working on other applications while receiving calls, thanks to Skylar's efficient background operation support. Comprehensive Protocol Support: Skylar supports both SIP and IAX2 VoIP protocols, with multi-account functionality for up to 50 accounts, configurable DTMF options, auto NAT type detection, NAT Traversal using STUN, TURN, and ICE, and automatic server discovery via DNS SRV. Effortless Communication Management: Leverage your device’s existing contact list with Skylar's intuitive interface for streamlined communication management. Wide Codec Range: Benefit from HD Wideband audio through G.722, enhanced OPUS codec for low bandwidth networks, and other audio codecs like G.729, G.711A/U (PCMA/PCMU), and GSM. Advanced Call Handling: Manage multiple calls with features such as speakerphone, mute, hold, call swapping, merging and splitting calls, and both attended and unattended call transfers. Additional Features: Enjoy VPN support, XMPP support for messaging, detailed call history, and customizable dial plans for individual SIP accounts. Important Notice: Skylar Enterprise is a standalone SIP-based VoIP client application and is not bundled with VoIP service. A SIP server or subscription with a SIP-based VoIP provider is required to make and receive VoIP calls. This app requires an administrator-generated account for login. If you do not have an account provided by your company, operator, or Brotecs Technologies, you will not be able to use the softphone client. For support, contact skylar.support@brotecs.com. Elevate your business communication with Skylar - Enterprise Edition. Download today and transform the way your team connects, collaborates, and communicates, no matter where they are in the world!

Screenshots

Email Security Suite4 screens
Skylar Enterprise4 screens

Verdict

The call

The clearest difference is iOS requirement: Email Security Suite at 12.0 against Skylar Enterprise's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Email Security Suite ships an update every 2 months, Skylar Enterprise every 3 months. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

Scorecard1 real difference Β· 5 level
Email Security Suite versus Skylar Enterprise: the parameters behind the verdict, then further details
ParameterEmail Security SuiteSkylar Enterprise
PriceFreeFree
Update frequencyEvery 2 months β€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 β€” better17.0
Further details β€” not scored
Size82 MB54 MB
Age rating4+4+
DeveloperSixscape CommunicationsBroTecs Technologies, LLC.

In-app purchases

None

Email Security Suite

No in-app purchases

None

Skylar Enterprise

No in-app purchases

Questions

Is Email Security Suite free?
Email Security Suite is free to download, with no in-app purchases.
Is Skylar Enterprise free?
Skylar Enterprise is free to download, with no in-app purchases.
Do Email Security Suite or Skylar Enterprise have ads?
Neither Email Security Suite nor Skylar Enterprise shows ads.
Which is updated more often, Email Security Suite or Skylar Enterprise?
Email Security Suite ships an update every 2 months, and Skylar Enterprise every 3 months. Most recently, Email Security Suite was updated on October 19, 2026 and Skylar Enterprise on October 9, 2026.

Other comparisons