Comparison

Telnet Terminal vs SMIME Toolkit

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

Head to head
About

Telnet Terminal

Features
Read full description

Have you just finished writing your Client/Server TCP and you want to test it? Then "Telnet Terminal" is for you. In the app preferences, you can: [For Client and Server] - Choose the new line character (\n - \r\n - \r) - Choose whether or not to send the command even if empty - Choose whether or not to remove special characters (\0 - \t - \n - \r - \" - \' - \\) - Choose whether or not to clear the text field of the command once it has been sent - Choose whether or not to hide the keyboard once the command has been sent - Choose whether or not to show the IP Address and Port of the sender - Choose whether or not to scroll the output automatically [For Server] - Choose whether or not to forward client's messages to all others - Choose whether or not to forward the IP address and port of the client that sent the message to all others

About

SMIME Toolkit

This app simplifies the process of setting up S/MIME for secure email on your iPhone and iPad. It guides you through generating keys, requesting certificates, and exporting your identity for manual installation in Apple Mail.

Highlights
  • On-device key generation
  • Standards-compliant CSR creation
  • Secure certificate requests
  • PKCS#12 (.p12) identity export
  • Face ID/Touch ID protection
  • Manual installation guidance
Features
Read full description

SMIME Toolkit: S/MIME Setup - Secure Email Certificates SMIME Toolkit guides you through S/MIME setup on iPhone and iPad in clear steps. Generate keys on-device, request certificates from your organization or SMIME Toolkit's backend, and export identities for manual installation in iOS Settings. Sign and encrypt email in Apple Mail while keeping your private keys under your control. WHAT THIS APP DOES SMIME Toolkit guides you through the full S/MIME enrollment process: - Generates cryptographic keys securely on your device (RSA-2048 default, optional ECC P-384) - Builds standards-compliant certificate signing requests (CSRs) - Requests signed certificates from your organization's secure backend - Exports PKCS#12 (.p12) identities for manual installation in iOS Settings - Optionally generates both RSA and ECC identities for compatibility targets The app never configures Mail automatically and never accesses your email content. KEY FEATURES - On-device key generation (Keychain-backed) - Standards-compliant CSR with email address (subjectAltName) - Secure HTTPS requests to your organization's issuer - PKCS#12 (.p12) export with a password you choose - Face ID / Touch ID for sensitive actions - Manual install flow (required by iOS) - CA certificate export and optional trust profile for easier setup - Optional ECC P-384 support and dual-identity export flow HOW IT WORKS - Enter your email address - Generate a key pair and CSR on your device - Request a certificate from your signing service - Export your identity (.p12) or trust profile - Install manually in Settings > Mail > Accounts > Advanced Once installed, enable S/MIME signing and encryption in Apple Mail. PRIVACY & SECURITY - Your private key never leaves your device - Only your CSR and email address are sent for certificate issuance - No access to Mail, messages, or accounts - No ads or tracking IMPORTANT NOTES - This app cannot configure Apple Mail automatically - Manual installation is required by iOS - Certificate issuance depends on your organization's backend - Private CAs must be trusted in Certificate Trust Settings FOR TEAMS & ENTERPRISES SMIME Toolkit is designed for organizations that want a simple, user-driven S/MIME enrollment flow: - Works with internal CAs and private trust roots - Predictable, auditable issuance workflows - Pluggable backend interface for partner CA integrations - Enterprise bulk generation supports RSA default, ECC opt-in, or both TROUBLESHOOTING - Ensure your network can reach the signing service - Certificate chain errors usually indicate issuer misconfiguration - If Mail doesn't show encryption, confirm CA trust and recipient certificates COMPATIBILITY - Works with Apple Mail on iOS after manual installation - Compatible with clients that support PKCS#12 identities once installed SMIME Toolkit is a certificate utility. It does not provide email hosting, account management, or message delivery. Apple Mail remains controlled by iOS settings and your email provider.

Screenshots

Telnet Terminal4 screens
SMIME Toolkit4 screens

Verdict

The call

The clearest difference is iOS requirement: Telnet Terminal at 12.0 against SMIME Toolkit's 16.0. 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

Telnet Terminal costs $2.99 and SMIME Toolkit $2.49 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Telnet Terminal ships an update every 2 weeks, SMIME Toolkit weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
Telnet Terminal versus SMIME Toolkit: the parameters behind the verdict, then further details
ParameterTelnet TerminalSMIME Toolkit
Price$2.99$2.49 — better
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size8 MB3 MB
Age rating4+4+
DeveloperFrancesco Nicolas Fabio VibertSeth Farrington18896201822

In-app purchases

None

Telnet Terminal

No in-app purchases

None

SMIME Toolkit

No in-app purchases

Questions

Is Telnet Terminal free?
Telnet Terminal costs $2.99, with no in-app purchases.
Is SMIME Toolkit free?
SMIME Toolkit costs $2.49, with no in-app purchases.
Do Telnet Terminal or SMIME Toolkit have ads?
Neither Telnet Terminal nor SMIME Toolkit shows ads.
Which is updated more often, Telnet Terminal or SMIME Toolkit?
Telnet Terminal ships an update every 2 weeks, and SMIME Toolkit weekly. Most recently, Telnet Terminal was updated on November 3, 2026 and SMIME Toolkit on November 5, 2026.

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