Comparison

Pi Epsilon vs Glacier App

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

Head to head
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.

About

Glacier App

Enhance your mobile privacy with advanced security features. Protect your connection with VPN and DNS security, block trackers and ads, and receive real-time threat alerts. Secure your communications and browse privately without compromising daily usability.

Highlights
  • VPN and DNS protection
  • Tracker and ad blocking
  • Real-time threat alerts
  • Device tampering detection
  • Secure calling with alternate numbers
  • Privacy-focused design
Read full description

Glacier brings intelligence-grade mobile security to your iPhone in a simple, consumer-friendly app. Glacier is a paid app and requires a Monthly or Yearly subscription to use. Protect your connection with VPN and DNS security, block trackers and intrusive ads, and get real-time alerts when your device or network may be at risk. Glacier is built to help you browse privately, reduce exposure to malicious content, and stay in control of your communications without adding friction to daily life. Glacier is designed with privacy by default. Your personal data stays on your device, and Glacier does not read your messages, access your contacts, or monitor your app usage. Features: • VPN and DNS protection for safer private browsing • Blocks many trackers, ad networks, and invasive data collection services • Real-time alerts and clear recommendations when threats are detected • Threat detection for tampering, jailbroken devices, emulation, and active hacking tools • Secure calling using different phone numbers to keep your personal number safe (requires an additional phone line subscription) • Built by a U.S.-based security team with experience protecting high-risk mobile environments Glacier helps protect your device and communications on Wi-Fi, cellular, and while traveling. SUBSCRIPTION & IN-APP PURCHASES Glacier requires a subscription to use the app. Phone-line features are optional add-ons that require a separate purchase on top of the base subscription. Base subscription (required): • Glacier Monthly - $14.99 per month • Glacier Yearly - $159.99 per year Secure phone lines (optional add-ons, auto-renewing): • 1 Line - $4.99 per month • 2 Lines - $8.99 per month • 5 Lines - $19.99 per month One-time purchase (optional): • Extra Phone Number - $2.99 to change your number again if you've already burned it once this month All prices are in U.S. dollars and may vary by region. Your App Store account is charged at confirmation of purchase. Subscriptions renew automatically at the same price unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your App Store account settings. Secure calling and replacement phone numbers are not available until the corresponding subscription or in-app purchase is made. Privacy Policy: https://www.theglacierapp.com/privacy Terms of Use: https://www.theglacierapp.com/terms

Screenshots

Pi Epsilon4 screens
Glacier App3 screens

Verdict

The call

The clearest difference is rating: Pi Epsilon at 5.0 against Glacier App's 4.3. Pi Epsilon also leads on in-app purchases (none vs 6) and iOS requirement (15.0 vs 18.0). Glacier App's advantage is update cadence (weekly vs every 6 months) and ratings volume (305 vs 5). On price, ads and device support 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. Glacier App sells 6 in-app purchases, starting at $4.99 per month. Pi Epsilon asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Pi Epsilon holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Glacier App has 305 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Pi Epsilon ships an update every 6 months, Glacier App weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 4 level
Pi Epsilon versus Glacier App: the parameters behind the verdict, then further details
ParameterPi EpsilonGlacier App
PriceFreeFree
Rating5.0 (5 ratings) — better4.3 (305 ratings)
Positive reviews—60.9% of reviews
Number of ratings5305 — better
Update frequencyEvery 6 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
Best chart rank—#34 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size147 MB66 MB
Age rating4++4
DeveloperChesapeake International Consulting, LLCSecurity App LLC

Customer experience

Pi Epsilon

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

Glacier App

All ratings305 ratings
Positive82.0%
Neutral3.0%
Negative15.1%
Written reviews128 reviews
Positive60.9%
Neutral6.3%
Negative32.8%

In-app purchases

None

Pi Epsilon

No in-app purchases

6 purchases

Glacier App

Subscriptions5
  • 1 Line$4.991 Month
  • 2 Lines$8.991 Month
  • Monthly$14.991 Month
Show 2 more
  • 5 Lines$19.991 Month
  • Yearly$159.991 Year
One-time1
  • Additional Phone Number$2.99

Questions

Is Pi Epsilon free?
Pi Epsilon is free to download, with no in-app purchases.
Is Glacier App free?
Glacier App is free to download, with in-app purchases available.
Which has better reviews, Pi Epsilon or Glacier App?
Pi Epsilon is rated higher. Pi Epsilon averages 5.0 out of 5 from 5 ratings, while Glacier App averages 4.3 from 305 ratings.
Do Pi Epsilon or Glacier App have ads?
Neither Pi Epsilon nor Glacier App shows ads.
Which is updated more often, Pi Epsilon or Glacier App?
Pi Epsilon ships an update every 6 months, and Glacier App weekly. Most recently, Pi Epsilon was updated on October 24, 2026 and Glacier App on October 25, 2026.

Other comparisons