Best Si4iLocker alternatives: apps like Si4iLocker

10+ similar apps compared and reviewed

4.7 avg rating
9 free apps
Updated November 2026

Si4iLocker is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Si4iLocker

Snatch Guard - App Lock#2

Snatch Guard - App Lock by Oleg Mamiev

Shield Apps When Phone Grabbed
Strong Contender
🔧 Utilities
5.0(2 ratings)
Free
Snatch Guard - App Lock screenshot 1
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Snatch Guard - App Lock screenshot 3
Snatch Guard - App Lock screenshot 4
Snatch Guard - App Lock screenshot 5
Snatch Guard - App Lock screenshot 6

This app provides instant protection for your sensitive applications when your phone is snatched. It uses your device's accelerometer to detect sudden movements and immediately locks down selected apps, requiring Face ID or your passcode to regain access.

More apps like Si4iLocker

4
AI & Automation for Shortcuts
AI & Automation for Shortcuts
AI & Automation for Shortcuts
Smart Actions & Data Storage
Free

Enhance your iOS Shortcuts with over 78 custom actions, including on-device AI models for text and vision tasks, AI chat integration with multiple providers, and seamless Notion database automation. Securely store and sync global variables across devices for powerful workflow management.

On-device AI text and vision modelsAI Chat with multiple provider supportNotion database automation
🔧 Utilities
(4)
free with in-app purchases
5
PassIt: Wallet Pass Creator
PassIt: Wallet Pass Creator
PassIt: Wallet Pass Creator
Everything in your Wallet!
Free

Easily digitize loyalty cards, membership IDs, and event tickets into Apple Wallet passes. Customize your passes with personal colors and images, and use the built-in scanner for quick creation. Your data is securely deleted after processing.

Digitize loyalty cardsCreate custom passesPersonalized colors and images
🔧 Utilities
(0)
free with in-app purchases
6
Mobile Nebula
Mobile Nebula
Mobile Nebula
by Defined Networking, Inc
Free

This tool creates a secure, high-performance overlay network to connect devices globally. It integrates encryption, security groups, and tunneling for seamless device connectivity, scaling from a few devices to tens of thousands.

Scalable overlay networkingHigh performanceEnhanced security
🔧 Utilities
(20)
free
7
GizmoPack
GizmoPack
GizmoPack
Level up your shortcuts
Free

Enhance your device's automation capabilities with a wide array of powerful actions. Create custom shortcuts for tasks like managing data, encoding information, and interacting with files. Many features are available for free, with a one-time purchase unlocking the full suite.

Add/Create Wallet PassEncode Hex & Property ListFile Information & Manipulation
🔧 Utilities
(32)
free with in-app purchases
8
AirGap Vault - Secure Secrets
AirGap Vault - Secure Secrets
AirGap Vault - Secure Secrets
Your phone is your cold wallet
Free

This app transforms your phone into a secure, offline cryptocurrency vault. It supports numerous blockchains and integrates with other wallets for seamless, secure transaction signing without network connection.

Blockchain agnostic crypto vaultOffline private key storageVerifiable QR code transaction signing
🔧 Utilities
(28)
free
9
Bouncer: Spam Text Blocker
Bouncer: Spam Text Blocker
Bouncer: Spam Text Blocker
Stop spam, scams & junk texts
$9.99

This app acts as a powerful spam blocker and text filter, allowing users to regain control over unwanted SMS messages. It effectively blocks scam texts, political messages, phishing attempts, and junk SMS, keeping your inbox clean and private.

Advanced text message filteringComplete privacy protectionSmart message blocking with custom filters
🔧 Utilities
(518)
free
10
Jamjams
Jamjams
Jamjams
Shadowsocks and VMess Client
Free

This network utility connects your device to Shadowsocks and VMess proxy servers. It offers easy server management, connection quality monitoring, and smart routing options for TCP and UDP traffic.

Shadowsocks and VMess protocol supportManual and subscription server setupReal-time speed graph
🔧 Utilities
(27)
free