Comparison

Teamwork Messenger vs Pi Epsilon

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

Head to head
About

Teamwork Messenger

Features
Read full description

Teamwork coheres everyone in your organization - for teams of all sizes. We provide better communication through: (1) Doing less long emails and more bite-sized information or message exchange (2) Making sure that messages are actually readable and recipients are properly notified (3) Enabling feedbacks from all team members to be acquired instantly (4) Integrating communication with organization systems and workflows Teamwork offers a simple tool including the following highlighted features: • Multi-platform support (mobile, desktop & web) • Fully controllable private and group messaging with text, voice, media, file, location and more • Teamwork Blast offers instant message broadcasting, with questionnaire and real-time response reports • Organisation contact list manageable by admins • Fully customisable home page widgets for news, promotions or any type of sharing • Bank-grade security with MAM features (e.g. remote data wiping) • 300+ API ready for integration with any existing systems or workflows • Available through cloud subscription and on-premise deployment

About

Pi Epsilon

A decentralized, anonymous, and end-to-end encrypted communication platform offering voice, text, video, and group calls. It provides robust security features and full user control over the server environment, bypassing third-party providers.

Highlights
  • Decentralized and anonymous communication
  • End-to-end encryption
  • Voice, text, and video calls
  • Group video conferencing
  • User-controlled server hosting
  • Decoy obfuscation tools
Features
Read full description

The Pi Epsilon (Π Ε) Communication Platform is a cutting edge decentralized, anonymous, end-to-end encrypted communication platform that includes voice, text, video, chat, and group video conference calls through a proprietary configuration that bypasses the usage of any third-party provider platforms. The Π Ε communication platform can reside on a dedicated obfuscated Virtual Private Server (VPS) or anywhere, resident to the customer’s location. The Π Ε Communication Platform offers one of the most protective cyber design decoy obfuscation tools from any nefarious attacker looking to obtain information of the real Π Ε communication platform. Look no further for your secure communication needs. Advantages • Decentralized, anonymous, real-time communication, end to end encryption protocol. • Customer has full control and oversite of the communication platform server. • Π Ε can reside on a dedicated Virtual Private Server, private rack server, or a physical server resident within the customer location. • No dependencies of any third-party provider and or backbone infrastructure. • Π Ε resides on a virtual dissimulated encrypted server (VDES), as a decoy obfuscation tool environment, shielding the real IP from any nefarious inquiries. • Π Ε includes voice, text, video, chat, and group video conference. • Supports the federate infrastructure, where multiple instances of Π Ε servers can communicate with each other. • Customer retains Admin console control to manage users, permissions, and resources.

Screenshots

Teamwork Messenger4 screens
Pi Epsilon4 screens

Verdict

The call

The clearest difference is device support: Pi Epsilon at 3 against Teamwork Messenger's 1. On price, update cadence, 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.

UpkeepUpdate frequency

Teamwork Messenger ships an update every 3 months, Pi Epsilon every 6 months. Both last shipped on October 24, 2026.

Scorecard1 real difference · 8 level
Teamwork Messenger versus Pi Epsilon: the parameters behind the verdict, then further details
ParameterTeamwork MessengerPi Epsilon
PriceFreeFree
Rating—5.0 (5 ratings) — better
Number of ratings—5 — better
Update frequencyEvery 3 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size74 MB147 MB
Age rating4+4+
DeveloperTalkBoxChesapeake International Consulting, LLC

In-app purchases

None

Teamwork Messenger

No in-app purchases

None

Pi Epsilon

No in-app purchases

Questions

Is Teamwork Messenger free?
Teamwork Messenger is free to download, with no in-app purchases.
Is Pi Epsilon free?
Pi Epsilon is free to download, with no in-app purchases.
Do Teamwork Messenger or Pi Epsilon have ads?
Neither Teamwork Messenger nor Pi Epsilon shows ads.
Which is updated more often, Teamwork Messenger or Pi Epsilon?
Teamwork Messenger ships an update every 3 months, and Pi Epsilon every 6 months. Most recently, Teamwork Messenger was updated on October 24, 2026 and Pi Epsilon on October 24, 2026.

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