Comparison

ISEC7 MAIL for Citrix vs Upstream

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

Head to head
About

ISEC7 MAIL for Citrix

Features
Read full description

IMPORTANT NOTE: ISEC7 MAIL for Citrix is only for users whose company's IT organization uses Citrix Endpoint Management for mobile device management. The app Citrix Secure Hub should be installed on the device. ISEC7 MAIL enables access to Microsoft Exchange and Office 365 environments with secure Personal Information Management (PIM) data such as contacts, calendar, tasks, and notes. ISEC7 MAIL also allows for mailbox delegation capabilities and public folder integration. ISEC7 MAIL operates with modern and certificate-based authentication (CBA) and allows users to securely send, receive, and enforce encrypted and signed emails (S/MIME). As the top priorities of ISEC7 MAIL are security, classification, and authentication, it is an ideal tool for managing classified or sensitive information, organizational or group mailboxes, and supporting executive leadership and their staff. Easiliy manage inboxes from your mobile device Easily managed from a mobile device, ISEC7 MAIL enables mobile access to Microsoft Exchange accounts with the ability to delegate access for approved staff. Delegation gives authorized users read and write access to email, calendar, public folders and more. No complex technical skills are required, simply add delegates from the Outlook client.​ With access to a delegated account, the user can book or change calendar appointments with ISEC7 Mail's Smart Scheduler, monitor and respond to emails, and access content in the public folders–directly from any mobile device. KEY BENEFITS • Easily access and delegate access to email, calendar, contacts, public folders, and more • Ability to use functional & shared mailboxes and multiple email domains • Utilize helpful classification tool ISEC7 CLASSIFY and automation of deployment • Share your business card with a touch of a button • Improve productivity and response time with significant impact on customer satisfaction • Maintain security of sensitive information and comply with security policies • Build greater team collaboration and transparency of knowledge share ISEC7 MAIL is free to download and use with limited features. Upgrading to Premium removes the restrictions of the free version mentioned below and is available through an auto-renewing subscription. A yearly subscription is available for $32.99. Free version: • Only one master account • Only one delegate access • Only 3 default folders for the master account (inbox, contacts, calendar) • Only 3 default folders for the delegate access (inbox, contacts, calendar) • No access to public folders • No action possible, such as create/forward/delete e-mails; create/delete appointments and contacts • Only the last 10 emails are displayed • In the calendar, only the current week is available Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Technical Requirements • Microsoft Exchange Server 2007 SP1 or higher, 2010, 2013 or 2016 • Microsoft Office 365 • Microsoft Exchange WebService must be activated and available to connect to Privacy policy available at: https://apps.isec7.com/privacy/https://apps.isec7.com/privacy/ISEC7_DataPrivacyPolicy_ISEC7_MAIL.pdf End User License Agreement available at: https://apps.isec7.com/eula/ISEC7_EULA.pdf If XenMobile Apps (Citrix Receiver or Worx Home) are not installed, please consider ISEC7 MAIL at: https://itunes.apple.com/us/app/isec7-mobile-exchange-delegate/id1045017598.

About

Upstream

This AI-powered inbox automatically organizes emails, drafts replies in your unique writing style, and sends follow-ups. It learns your workflow to minimize distractions and ensure no important messages are missed.

Highlights
  • AI email triaging
  • Personalized draft writing
  • Automated follow-ups
  • Self-organizing inbox
  • Learns user workflow
Features
Read full description

An AI inbox that triages itself, drafts in your voice, and follows up so you don’t have to remember to. ORGANIZE EMAILS YOUR WAY Upstream sorts, flags, and surfaces what needs your attention today. Noise gets filed away. No rules to set up or folders to maintain. It learns how you work and gets out of your way. DRAFTS IN YOUR VOICE. NOT A VOICE. Upstream writes like you. Not like AI pretending to be you. It studies how you write, how you talk to this specific person, and what the thread already sounds like, then drafts from there. The reply is waiting before you've finished reading the email. THE FOLLOW-UP WRITES ITSELF Upstream watches the threads going quiet, writes the nudge, and adds it to your inbox to send. The open loops close themselves. The ball never gets dropped.

Screenshots

ISEC7 MAIL for Citrix4 screens
Upstream4 screens

Verdict

The call

The clearest difference is in-app purchases: Upstream at none against ISEC7 MAIL for Citrix's 1. Upstream also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ISEC7 MAIL for Citrix sells 1 in-app purchase, starting at $32.99 per year. Upstream asks for nothing beyond the download.

UpkeepUpdate frequency

ISEC7 MAIL for Citrix ships an update monthly, Upstream every 2 weeks. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
ISEC7 MAIL for Citrix versus Upstream: the parameters behind the verdict, then further details
ParameterISEC7 MAIL for CitrixUpstream
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—3 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size84 MB87 MB
Age rating4+4+
DeveloperISEC7 GroupUpstream Labs

In-app purchases

1 purchases

ISEC7 MAIL for Citrix

Subscriptions1
  • Premium Subscription$32.991 Year
None

Upstream

No in-app purchases

Questions

Is ISEC7 MAIL for Citrix free?
ISEC7 MAIL for Citrix is free to download, with in-app purchases available.
Is Upstream free?
Upstream is free to download, with no in-app purchases.
Do ISEC7 MAIL for Citrix or Upstream have ads?
Neither ISEC7 MAIL for Citrix nor Upstream shows ads.
Which is updated more often, ISEC7 MAIL for Citrix or Upstream?
ISEC7 MAIL for Citrix ships an update monthly, and Upstream every 2 weeks. Most recently, ISEC7 MAIL for Citrix was updated on October 11, 2026 and Upstream on October 2, 2026.

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