Comparison

Tandem Chat vs Black Hat Events

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

Head to head
About

Tandem Chat

Connect with your distributed team effortlessly in a virtual office. Join audio-first calls, share screens, and collaborate in real-time. This app facilitates spontaneous conversations and streamlines meeting experiences.

Highlights
  • Audio-first calls
  • Seamless call transition
  • Screenshare and video viewing
  • Always-on audio rooms
  • Automatic meeting rooms
  • Listening Mode
Read full description

Tandem is the virtual office for your team. Connect effortlessly with your distributed team. See who’s around, talk, and collaborate in one click. Tandem Mobile - Join audio-first calls while you're out and about. - Easily transition calls from the computer to your phone. - View screenshare and video. Unlock Spontaneous Conversations - Hang out in always-on audio rooms. - Get into a conversation in a couple taps. No links, no ringing, no waiting around. - Wave at a teammate to see if they're free. The Best Meeting Experience - Automatic meeting rooms based on your calendar events. No more hunting for links. - Join in Listening Mode while you take a walk. - See your upcoming meetings and who's already participating. Requires a Tandem account. Sign up and learn more about Tandem —> Tandem.chat Are you having issues with the app? Please email us at support@tandem.chat

About

Black Hat Events

This app connects you to the world's most technical information security conferences and trainings. Discover the latest research, trends, and network with global InfoSec professionals and solution providers.

Highlights
  • Information security conferences
  • Technical trainings
  • Latest research and trends
  • Global InfoSec community networking
  • Practitioner and researcher insights
  • Solutions provider connections
Features
Read full description

Black Hat Events are the most technical and relevant information security conferences and trainings in the world. Providing attendees with the very latest in information security research, development, and trends, Black Hat Events bring the global InfoSec community together to share ideas, learn from experts, and network with peers, practitioners, researchers, and solutions providers from around the globe. The Black Hat Events portfolio includes all Black Hat global events, as well as SecTor, Canada's largest IT security conference and the nation's biggest vendor expo.

Screenshots

Tandem Chat3 screens
Black Hat Events3 screens

Verdict

The call

The clearest difference is update cadence: Black Hat Events at weekly against Tandem Chat's every 2 months. Black Hat Events also leads on ratings volume (144 vs 15). Tandem Chat's advantage is review sentiment (50% vs 24%) and rating (4.6 vs 4.2). On price, 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Tandem Chat holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Black Hat Events has 144 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 50% of Tandem Chat's written reviews are positive against 24% of Black Hat Events's.

UpkeepUpdate frequency

Tandem Chat ships an update every 2 months, Black Hat Events weekly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard7 real differences · 3 level
Tandem Chat versus Black Hat Events: the parameters behind the verdict, then further details
ParameterTandem ChatBlack Hat Events
PriceFreeFree
Rating4.6 (15 ratings) — better4.2 (144 ratings)
Positive reviews50.0% of reviews — better23.8% of reviews
Number of ratings15144 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.4
Further details — not scored
Size66 MB146 MB
Age rating4+17+
DeveloperTandem CommunicationsInforma Tech Holdings, LLC

Customer experience

Tandem Chat

All ratings15 ratings
Positive86.7%
Neutral6.7%
Negative6.7%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

Black Hat Events

All ratings144 ratings
Positive79.9%
Neutral3.5%
Negative16.7%
Written reviews21 reviews
Positive23.8%
Neutral9.5%
Negative66.7%

In-app purchases

None

Tandem Chat

No in-app purchases

None

Black Hat Events

No in-app purchases

Questions

Is Tandem Chat free?
Tandem Chat is free to download, with no in-app purchases.
Is Black Hat Events free?
Black Hat Events is free to download, with no in-app purchases.
Which has better reviews, Tandem Chat or Black Hat Events?
Tandem Chat is rated higher. Tandem Chat averages 4.6 out of 5 from 15 ratings, while Black Hat Events averages 4.2 from 144 ratings.
Do Tandem Chat or Black Hat Events have ads?
Neither Tandem Chat nor Black Hat Events shows ads.
Which is updated more often, Tandem Chat or Black Hat Events?
Tandem Chat ships an update every 2 months, and Black Hat Events weekly. Most recently, Tandem Chat was updated on October 24, 2026 and Black Hat Events on October 20, 2026.

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