Voltage Mail vs DeepNet MobileID (OOBA)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
DeepNet MobileID (OOBA)
This app transforms your iPhone into a security token for generating one-time passwords. It replaces physical keyfobs, offering a convenient and free solution for multi-factor authentication for business applications. It is OATH compliant and developed by authentication experts.
- Generates one-time passwords (OTP)
- Converts iPhone into a security token
- Replaces physical keyfobs
- Supports multi-factor authentication
- OATH compliant
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MobileID is an app for generating one-time password (OTP). Install MobileID on your iPhone, you double your iPhone as a security token! Why carry a keyfob when you can just use your iPhone? MobielID is supported by Deepnet DualShield - a versatile multi-factor authentication platform that protects a wide range of business applications such as VPN, RDP, Web and Cloud. If you are currently carrying a dedicated security token, it is time to replace it with MobileID. It is free and it is open (OATH compliant). MobileID is developed by the strong authentication experts - Deepnet Security. For more information, please visit deepnetsecurity.com
Screenshots
Verdict
The clearest difference is rating: DeepNet MobileID (OOBA) at 3.2 against Voltage Mail's 1.7. DeepNet MobileID (OOBA) also leads on monetization model (free vs freemium) and review sentiment (17% vs 8%). Voltage Mail's advantage is ratings volume (736 vs 13) and update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DeepNet MobileID (OOBA) holds the better App Store score, 3.2 against 1.7. That said, the two scores are not equally well evidenced: Voltage Mail has 736 ratings behind it against 13, 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 17% of DeepNet MobileID (OOBA)'s.
Voltage Mail ships an update every 2 months, DeepNet MobileID (OOBA) every 5 months. The most recent releases landed on September 25, 2026 and September 16, 2026 respectively.
| Parameter | Voltage Mail | DeepNet MobileID (OOBA) |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (736 ratings) | 3.2 (13 ratings) — better |
| Positive reviews | 8.1% of reviews | 16.7% of reviews — better |
| Number of ratings | 736 — better | 13 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | OpenText | Deepnet Security |
Customer experience
Voltage Mail
DeepNet MobileID (OOBA)
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
DeepNet MobileID (OOBA)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Voltage Mail
No in-app purchases
DeepNet MobileID (OOBA)
No in-app purchases








