Best SIDEN alternatives: apps like SIDEN

10+ similar apps compared and reviewed

4.3 avg rating

8 free apps

Updated October 2026

SIDEN

VivoKey Japan LLC

🔧 Utilities

📊 Productivity

Looking for something like SIDEN? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to SIDEN

AudioSpectrumWaterfall by 晓坤周

Real-time audio analyzer

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

ChipVault by N0AGI LLC

Your DESFire EV2/EV3 NFC Vault

Strong Contender

🔧 Utilities

5.0(1 ratings)

FreeIn-App Purchases

This app transforms NFC cards into secure, encrypted personal data vaults. Store passwords, recovery phrases, and more, all protected by your master password and AES-128 encryption directly on the chip. Your data remains offline, with no cloud or server reliance.

Air Checklists by Andrew Gromozdin

Synchronized checklists

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

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ShellMan

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DirectWrite MFU Tag NFC Reader

$4.99

This utility app allows users to read, write, and edit data on MIFARE Ultralight NFC tags. It provides a hex inspector, history management, and data export features for developers and hobbyists.

Read and scan MIFARE Ultralight tagsHexadecimal data inspectorDirect write capability to tag pages

Find Air: Nearby Device Finder

Real-Time BLE Device Proximity

Text to Speech - PDF Voice

Listen to PDFs Aloud, TTS

Explore the history of phone phreaking with this app. It generates classic phone tones like Blue Box and Red Box for nostalgic, fun, or educational experiences. Discover a variety of tones used in the past.

Generates historical phone tonesIncludes Blue Box, Red Box, Green Box tonesSupports Special Information Tones

by Nanchang Yepai Technology Co., Ltd.