Comparison

Keywave. vs Crypto Key

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

Head to head
About

Keywave.

Securely encrypt and decrypt messages directly on your device. Manage your PGP keys locally without any server interaction or data tracking. Offers robust key generation and import/export options with a clean interface.

Highlights
  • Encrypt and decrypt messages
  • Generate RSA keypairs
  • Manage unlimited keys
  • Import/export keys
  • Native SwiftUI interface
  • 100% local processing
Read full description

PGP encryption for people who value their privacy. Everything runs on your device. No servers, no tracking, no compromises. Keywave is a native iOS app for PGP encryption and decryption. Encrypt messages before sending them. Decrypt messages you receive. Manage your keys. That's it. Everything runs locally using Protonmail's open-source gopenpgp library. Your keys never leave your phone. Features: • Encrypt & decrypt messages with a tap • Generate 2048, 3072, or 4096-bit RSA keypairs • Store unlimited keys with search and filtering • Import from files, clipboard, or share extension • Export as ASCII Armored or Binary • Native SwiftUI interface with dark mode Why Keywave: • 100% local — no servers, no cloud, no network requests • Zero data collection — no analytics, no tracking • Built on Protonmail's battle-tested gopenpgp library • Keys stored securely in iOS Keychain • Compatible with GPG and other PGP tools Free. No ads. Works offline. Requires iOS 17.5+. New features coming in the next version: This will include a keyboard extension, and also adding support for encrypting and decrypting files. potentially could an encrypted file vault.

About

Crypto Key

Features
Read full description

【Encryption Key】is a secure key management application designed to protect your sensitive data with local encryption technology. **Local Encryption** All data is encrypted and stored locally on your device using industry-standard encryption algorithms. Your keys and credentials remain under your control. **Password Generation** Create strong, random passwords with customizable length and character types. Generated passwords can be copied directly for immediate use. **Secure Export** Export your encrypted keys to backup files safely. Exported data remains protected and requires proper credentials to access. **Biometric Lock Simulation** Simulate biometric authentication for additional security layers. This feature demonstrates lock mechanism patterns for educational purposes. All processing occurs locally on your device. No data is transmitted to external servers, ensuring your sensitive information stays private and under your control. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://wyygrace.xyz/jiamimiyao/privacy.html

Screenshots

Keywave.3 screens
Crypto Key3 screens

Verdict

The call

Keywave. and Crypto Key are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Keywave. versus Crypto Key: the parameters behind the verdict, then further details
ParameterKeywave.Crypto Key
PriceFreeFree
Rating2.8 (4 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings4 — better—
Update frequencyEvery 6 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS17.616.0 — better
Further details — not scored
Size11 MB3 MB
Age rating4+4+
DeveloperWilliam KelleyORIENT VISION SHIPPING LIMITED

In-app purchases

None

Keywave.

No in-app purchases

None

Crypto Key

No in-app purchases

Questions

Is Keywave. free?
Keywave. is free to download, with no in-app purchases.
Is Crypto Key free?
Crypto Key is free to download, with no in-app purchases.
Do Keywave. or Crypto Key have ads?
Neither Keywave. nor Crypto Key shows ads.

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