Comparison

Voltage Mail vs PenPoint

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

Head to head
About

Voltage Mail

Securely read and compose encrypted emails on your mobile device. This app allows you to send and receive secure messages, integrating with your existing email accounts and offering robust security features for organizations.

Highlights
  • Read encrypted emails and attachments
  • Compose new secure email messages
  • Send and receive secure emails
  • Integrates with native email apps
  • Supports mobile policy restrictions
  • Simple self-registration and authentication
Features
Read full description

Anyone who sends and receives an encrypted email from Voltage SecureMail can use this application to read and write the email. A license for Voltage SecureMail Mobile Edition is required to compose and send new secure emails from the app and enforce mobile policy restrictions. Audience: Organizations that use Voltage SecureMail to send and receive secure emails. With Voltage SecureMail mobile app you can: • Read encrypted emails and attachments • Compose a new secure email message • Send and receive secure emails to anyone • Works with your device's native email applications and inboxes • Works with Apple iPhones, iPads, and email clients • Simple self-registration and authentication • Works with desktop, cloud, and web-based email systems • Supports Microsoft Intune

About

PenPoint

This app provides secure mobile access to communications surveillance data for law enforcement investigations. It helps users understand target locations by mapping cellular tower sectors and ping services.

Highlights
  • Secure mobile access to surveillance data
  • Mapping of cellular tower sectors
  • Precision location ping services
  • Analysis of target location patterns
  • Support for law enforcement investigations
Features
Read full description

PenPoint works with PenLink’s on-premise software, PLX, to conduct lawful communications surveillance operations in support of law enforcement investigations. PenPoint provides secure mobile access to communications surveillance data collected and stored by a PLX system. Specifically and primarily, PenPoint helps mobile users understand the probable whereabouts and location patterns of targets by mapping cellular tower sectors and precision location ping services offered by several mobile carriers.

Screenshots

Voltage Mail4 screens
PenPoint4 screens

Verdict

The call

The clearest difference is review sentiment: PenPoint at 100% against Voltage Mail's 8%. PenPoint also leads on rating (5.0 vs 1.7) and monetization model (free vs freemium). Voltage Mail's advantage is ratings volume (737 vs 8). 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.

ReceptionRating · Positive reviews · Number of ratings

PenPoint holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: Voltage Mail has 737 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 8% of Voltage Mail's written reviews are positive against 100% of PenPoint's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

Scorecard4 real differences · 6 level
Voltage Mail versus PenPoint: the parameters behind the verdict, then further details
ParameterVoltage MailPenPoint
PriceFreeFree
Rating1.7 (737 ratings)5.0 (8 ratings) — better
Positive reviews8.1% of reviews100.0% of reviews — better
Number of ratings737 — better8
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size24 MB461 MB
Age rating4+4+
DeveloperOpenTextPen-Link, Ltd.

Customer experience

Voltage Mail

All ratings737 ratings
Positive13.7%
Neutral6.0%
Negative80.3%
Written reviews149 reviews
Positive8.1%
Neutral1.3%
Negative90.6%

PenPoint

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Voltage Mail

Reported bugs

4 issues
  • Login screen freezes
  • Incompatible with older devices
  • Frequent crashes and errors
  • Unable to access or download messages

Requested features

4 requests
  • Add support for more mobile devices and operating systems
  • Improve user interface and streamline the message access process
  • Allow downloading and printing of attachments
  • Better integration with popular email clients

PenPoint

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Voltage Mail

No in-app purchases

None

PenPoint

No in-app purchases

Questions

Is Voltage Mail free?
Voltage Mail is free to download, with no in-app purchases.
Is PenPoint free?
PenPoint is free to download, with no in-app purchases.
Which has better reviews, Voltage Mail or PenPoint?
PenPoint is rated higher. Voltage Mail averages 1.7 out of 5 from 737 ratings, while PenPoint averages 5.0 from 8 ratings.
Do Voltage Mail or PenPoint have ads?
Neither Voltage Mail nor PenPoint shows ads.
Which is updated more often, Voltage Mail or PenPoint?
Voltage Mail ships an update every 2 months, and PenPoint every 2 months. Most recently, Voltage Mail was updated on September 22, 2026 and PenPoint on September 16, 2026.

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