Comparison

Gartner C vs ISF 2026

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

Head to head
About

Gartner C

Connect with a network of C-level executives to share insights, validate strategies, and solve leadership challenges. Access upcoming and past programs, manage your profile, and engage with peers in exclusive, trusted communities.

Highlights
  • Manage executive profiles
  • View and register for programs
  • Access past program content
  • Connect with community members
  • Join virtual sessions
  • Manage personal agenda
Features
Read full description

Facilitated by Gartner. Driven by Peers. Gartner C-Level Communities are role‑based, regional C-Level communities for executives from the world’s leading organizations. Built "by and for" C-Level executives, these networks bring leaders together to share insights and learn from each other through peer-driven topics and discussions.   Gartner’s trusted communities serve CIOs, CISOs, CHROs, CDAOs, CFOs and CSCOs around the world.  As a community member, the Gartner C-Level Communities app gives you access to:   • Manage your profile • Access in-person and virtual events from one place • View and register for upcoming events in your community • Manage your event participation: - View program and session information - Select sessions, manage your agenda, and provide session feedback - Exchange business cards, view profiles, and message other participants • Contact your Community Program Manager • Access past programs you have participated in, including shared presentations from speakers

About

ISF 2026

Features
Read full description

ISF World Congress, Prague 2025. Explore the future of global cyber security at the industry’s must-attend event for senior executives and cyber leaders.

Screenshots

Gartner C4 screens
ISF 20263 screens

Verdict

The call

Gartner C and ISF 2026 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gartner C ships an update monthly, ISF 2026 every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

ScorecardNo meaningful differences
Gartner C versus ISF 2026: the parameters behind the verdict, then further details
ParameterGartner CISF 2026
PriceFreeFree
Rating5.0 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.416 — better
Further details — not scored
Size54 MB125 MB
Age rating+174+
DeveloperGartner, Inc.INFORMATION SECURITY FORUM LIMITED

In-app purchases

None

Gartner C

No in-app purchases

None

ISF 2026

No in-app purchases

Questions

Is Gartner C free?
Gartner C is free to download, with no in-app purchases.
Is ISF 2026 free?
ISF 2026 is free to download, with no in-app purchases.
Do Gartner C or ISF 2026 have ads?
Neither Gartner C nor ISF 2026 shows ads.
Which is updated more often, Gartner C or ISF 2026?
Gartner C ships an update monthly, and ISF 2026 every 3 weeks. Most recently, Gartner C was updated on November 1, 2026 and ISF 2026 on November 3, 2026.

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