Comparison

SecureSystems by SyncDog 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

SecureSystems by SyncDog

This app provides a secure, containerized workspace for enterprise data on mobile devices. It protects sensitive information at rest and in transit through a sandboxed environment for various work-related applications.

Highlights
  • Containerized secure data platform
  • Protects data at rest and in transit
  • Sandboxed applications
  • Supports secure communications
  • Secure file management
  • Secure internet/intranet access
  • Secure location-based services
Features
Read full description

A containerized workspace provides a secure data platform that protects your data between your enterprise’s backend and secure, “sandboxed” applications on your organization’s mobile devices. Secure.Systems™ protects your enterprise network by securing data at rest and data in transit. Secure.Systems™ is a software-based, secure mobility application framework and extension of your enterprise’s security architecture. The app workspace supports a multitude of mobile devices including iPhones and iPads. The Secure.Systems™ applications we have built fall into four workflow categories: Secure Communications Secure File Management Secure Internet/Intranet Access Secure Location-Based Services

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

SecureSystems by SyncDog4 screens
Pi Epsilon4 screens

Verdict

The call

The clearest difference is rating: Pi Epsilon at 5.0 against SecureSystems by SyncDog's 3.0. SecureSystems by SyncDog's advantage is update cadence (weekly vs every 6 months). On price, ratings volume, 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

Pi Epsilon holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

UpkeepUpdate frequency

SecureSystems by SyncDog ships an update weekly, Pi Epsilon every 6 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 7 level
SecureSystems by SyncDog versus Pi Epsilon: the parameters behind the verdict, then further details
ParameterSecureSystems by SyncDogPi Epsilon
PriceFreeFree
Rating3.0 (6 ratings)5.0 (4 ratings) — better
Number of ratings6 — better4
Update frequencyWeekly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size448 MB147 MB
Age rating17+4+
DeveloperSyncDog, Inc.Chesapeake International Consulting, LLC

Customer experience

SecureSystems by SyncDog

All ratings6 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Pi Epsilon

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SecureSystems by SyncDog

No in-app purchases

None

Pi Epsilon

No in-app purchases

Questions

Is SecureSystems by SyncDog free?
SecureSystems by SyncDog is free to download, with no in-app purchases.
Is Pi Epsilon free?
Pi Epsilon is free to download, with no in-app purchases.
Which has better reviews, SecureSystems by SyncDog or Pi Epsilon?
Pi Epsilon is rated higher. SecureSystems by SyncDog averages 3.0 out of 5 from 6 ratings, while Pi Epsilon averages 5.0 from 4 ratings.
Do SecureSystems by SyncDog or Pi Epsilon have ads?
Neither SecureSystems by SyncDog nor Pi Epsilon shows ads.
Which is updated more often, SecureSystems by SyncDog or Pi Epsilon?
SecureSystems by SyncDog ships an update weekly, and Pi Epsilon every 6 months. Most recently, SecureSystems by SyncDog was updated on September 10, 2026 and Pi Epsilon on September 17, 2026.

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