Comparison

SMIME Toolkit vs PairSMS Verification Code

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

Head to head
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
Currently charting
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.

About

PairSMS Verification Code

Features
Read full description

Receive SMS verification codes online with a separate SMS-capable number, delivered directly inside PairSMS. PairSMS helps you receive one-time verification codes for account setup, login checks, and supported online services without using your everyday mobile number. Choose an available country and service, copy your assigned number, and view incoming SMS messages inside the app. PairSMS is built for users who want a simple, privacy-conscious way to keep online verification separate from their personal phone number. Main features: Receive SMS verification codes in-app Use a separate number for account setup and login verification Choose from available countries and supported services View incoming messages in a simple in-app inbox Keep your personal mobile number separate from online registrations Pay only for supported activations based on available options See clear status updates for each number request How it works: Select the country and service you need Get an available SMS-capable number Enter the number on the service you are verifying Receive the SMS code inside PairSMS Copy the code and complete verification PairSMS supports SMS code delivery for many online services, including social platforms, messaging services, marketplace apps, and account login systems. Availability may vary by country, service, and number type. PairSMS is for receiving SMS verification messages only. It does not provide emergency calling, carrier mobile service, or a full phone line. Use PairSMS only for accounts and services you own or are authorized to access. PairSMS is independent and is not affiliated with, endorsed by, or sponsored by any third-party apps, platforms, or services.

Screenshots

SMIME Toolkit4 screens
PairSMS Verification Code4 screens

Verdict

The call

The clearest difference is price: PairSMS Verification Code at Free against SMIME Toolkit's $2.99. SMIME Toolkit's advantage is update cadence (weekly vs every 3 weeks) and chart position (#172 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

PairSMS Verification Code is free to download; SMIME Toolkit costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SMIME Toolkit ships an update weekly, PairSMS Verification Code every 3 weeks. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 8 level
SMIME Toolkit versus PairSMS Verification Code: the parameters behind the verdict, then further details
ParameterSMIME ToolkitPairSMS Verification Code
Price$2.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#172 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size3 MB28 MB
Age rating4+17+
DeveloperSeth Farrington18896201822Granit Sadiku

In-app purchases

None

SMIME Toolkit

No in-app purchases

None

PairSMS Verification Code

No in-app purchases

Questions

Is SMIME Toolkit free?
SMIME Toolkit costs $2.99, with no in-app purchases.
Is PairSMS Verification Code free?
PairSMS Verification Code is free to download, with no in-app purchases.
Do SMIME Toolkit or PairSMS Verification Code have ads?
Neither SMIME Toolkit nor PairSMS Verification Code shows ads.
Which is updated more often, SMIME Toolkit or PairSMS Verification Code?
SMIME Toolkit ships an update weekly, and PairSMS Verification Code every 3 weeks. Most recently, SMIME Toolkit was updated on October 6, 2026 and PairSMS Verification Code on October 9, 2026.

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