Comparison

SecureChatKeyboard vs QR Studio KBR

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

Head to head
About

SecureChatKeyboard

Features
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SecureChats Keyboard es un teclado personalizado para iOS que integra cifrado extremo a extremo (E2EE) directamente desde tu teclado. Cifra y descifra mensajes en cualquier aplicacion de mensajeria sin depender de servidores externos, sin cuentas y sin recopilar ningun dato. SecureChats Keyboard is a custom iOS keyboard with built-in end-to-end encryption (E2EE). Encrypt and decrypt messages in any messaging app with no servers, no accounts, and zero data collection. -- COMO FUNCIONA / HOW IT WORKS -- El teclado utiliza el Signal Protocol con intercambio de claves post-quantum Kyber (ML-KEM) mediante PQXDH. Los usuarios intercambian invitaciones criptograficas copiando y pegando texto codificado. Una vez establecida la sesion, cada mensaje se cifra localmente en tu dispositivo y solo puede ser descifrado por el destinatario. Ningun intermediario, servidor o tercero puede leer tus mensajes. The keyboard uses the Signal Protocol with post-quantum Kyber (ML-KEM) key exchange via PQXDH. Users exchange cryptographic invitations by copying and pasting encoded text. Once a session is established, every message is encrypted locally on your device and can only be decrypted by the intended recipient. No intermediary, server, or third party can read your messages. -- SEGURIDAD / SECURITY -- - Signal Protocol: Double Ratchet, forward secrecy y seguridad post-compromiso. - Post-Quantum: Kyber/ML-KEM protege contra ataques de computacion cuantica futura. - Almacenamiento cifrado: todos los datos locales se cifran con AES-256-GCM. La clave maestra se almacena en el iOS Keychain respaldado por Secure Enclave. - Sin red: la aplicacion no realiza ninguna conexion de red. Funciona completamente offline. - Signal Protocol: Double Ratchet, forward secrecy and post-compromise security. - Post-Quantum: Kyber/ML-KEM protects against future quantum computing attacks. - Encrypted storage: all local data is encrypted with AES-256-GCM. The master key is stored in the iOS Keychain backed by the Secure Enclave. - No network: the app makes zero network connections. It works entirely offline. -- PRIVACIDAD TOTAL / TOTAL PRIVACY -- - No recopilamos datos personales, analiticas, telemetria ni diagnosticos. - No hay servidores, cuentas de usuario ni registro. - No hay SDK de terceros, rastreadores ni publicidad. - No tenemos acceso a tus claves de cifrado. Si las pierdes, no podemos recuperarlas. - Codigo abierto bajo licencia GPL-3.0. - We collect no personal data, analytics, telemetry, or diagnostics. - No servers, no user accounts, no registration. - No third-party SDKs, trackers, or advertising. - We have no access to your encryption keys. If you lose them, we cannot recover them. - Open source under GPL-3.0 license. -- CARACTERISTICAS / FEATURES -- - Teclado QWERTY completo con soporte para espanol e ingles. - Cifrado E2EE integrado con un toque desde la barra de cifrado. - Multiples formatos de codificacion: Base64, JSON y esteganografia Unicode. - Historial de mensajes cifrado localmente. - Gestion de contactos E2EE. - Funciona en cualquier app: iMessage, WhatsApp, Telegram, Signal, correo y mas. - Completamente gratuito, sin compras integradas. - Full QWERTY keyboard with Spanish and English support. - Built-in E2EE encryption with one tap from the encryption bar. - Multiple encoding formats: Base64, JSON, and Unicode steganography. - Locally encrypted message history. - E2EE contact management. - Works in any app: iMessage, WhatsApp, Telegram, Signal, email and more. **** Aviso: si tenéis Face ID en la aplicación que vais a usar para chatear, no funcionará, porque Face ID limpia el portapapeles cada vez que le dais a pegar **** Developed by R00tedbrain.

About

QR Studio KBR

Features
Read full description

QR Studio es la forma rápida y sencilla de crear y leer códigos QR en tu iPhone. Funciona sin cuenta y sin conexión: todo se guarda en tu dispositivo. Genera códigos QR para varios usos: - Texto libre y notas - Enlaces y URLs - Redes Wi-Fi con su contraseña, para compartir sin teclear - Tarjetas de contacto vCard con nombre, empresa, teléfono, email y web Incluye un lector con detección automática para escanear cualquier código QR y abrir el enlace, copiar el texto o compartirlo en segundos. Todos tus códigos quedan ordenados en el historial, con icono por tipo y opción de eliminarlos cuando quieras. La app es gratuita y se sostiene con publicidad. Sin cuentas, sin nube, sin seguimiento oculto.

Screenshots

SecureChatKeyboard4 screens
QR Studio KBR4 screens

Verdict

The call

The clearest difference is ads: SecureChatKeyboard at none against QR Studio KBR's shown. QR Studio KBR's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SecureChatKeyboard ships an update every 3 days, QR Studio KBR every 4 days. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 4 level
SecureChatKeyboard versus QR Studio KBR: the parameters behind the verdict, then further details
ParameterSecureChatKeyboardQR Studio KBR
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 4 days
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size24 MB34 MB
Age rating4+4+
DeveloperIMMOACTIVAT I ASSOCIATS SLKPR PREMIUM MOTOR CARS SL

In-app purchases

None

SecureChatKeyboard

No in-app purchases

None

QR Studio KBR

No in-app purchases

Questions

Is SecureChatKeyboard free?
SecureChatKeyboard is free to download, with no in-app purchases.
Is QR Studio KBR free?
QR Studio KBR is free to download, with no in-app purchases.
Do SecureChatKeyboard or QR Studio KBR have ads?
QR Studio KBR shows ads; SecureChatKeyboard does not.
Which is updated more often, SecureChatKeyboard or QR Studio KBR?
SecureChatKeyboard ships an update every 3 days, and QR Studio KBR every 4 days. Most recently, SecureChatKeyboard was updated on September 13, 2026 and QR Studio KBR on September 10, 2026.

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