Best Docio alternatives: apps like Docio — Scan, Edit & Sign PDF

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated November 2026

Whether you want more options like Docio or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Docio

More apps like Docio

4
Electrical Engineering Toolkit
Electrical Engineering Toolkit
Electrical Engineering Toolkit
Electronics Circuit Calculator
Free

This comprehensive toolkit offers a wide range of calculators for electronics design, PCB layout, and RF work. Instantly check formulas, verify lab results, and estimate component values for various engineering tasks.

Ohm's Law calculatorResistor color code lookupPCB impedance calculation
🔧 Utilities
(1)
free with in-app purchases
5
SmartFinder: Find Your Device
SmartFinder: Find Your Device
SmartFinder: Find Your Device
BLE bluetooth Find Lost Device
Free

Locate misplaced Bluetooth devices with a real-time signal radar and protect your phone from unauthorized access with intruder selfies and alarms. It offers a charger alarm and a comprehensive activity log for enhanced security.

Device Finder & TrackerSmart Signal RadarWTMP (Who Touched My Phone) selfies
🔧 Utilities
(5)
free with in-app purchases
6
timer. - Multi Countdown Timer
timer. - Multi Countdown Timer
timer. - Multi Countdown Timer
Live Activities / Widget Timer
Free

Manage multiple countdown timers simultaneously with this intuitive app. Set custom names, sounds, and even use your own music for alarms. Access timers easily via widgets, Apple Watch, and Live Activities.

Multiple simultaneous timersCustomizable names and alarm soundsBackground timer operation
🔧 Utilities
(171)
free with in-app purchases
7
Watts Amps Volts  Calculator
Watts Amps Volts  Calculator
Watts Amps Volts Calculator
Electrical power calculator
Free

This app serves as an advanced electrical power calculator. It allows users to easily compute and convert between Watts, Amps, and Volts for single-phase systems, and kW, Amps, Volts, and Power Factor for three-phase systems. Simply input known values to find the missing one.

Single-phase power calculationsThree-phase power calculationsConvert Watts, Amps, Volts
🔧 Utilities
(52)
ad-supported
8
Bricksee
Bricksee
Bricksee
AI Brick Catalogue
Free

Organize and track your favorite Lego sets and bricks with this AI-powered catalog. Access high-quality digital instructions, manage wishlists, and compete with friends through achievements and leaderboards. Stay updated with weekly new set notifications.

Track set progressDigital instructionsBrowse 10,000+ sets
🔧 Utilities
(73)
free with in-app purchases
9
AceVPN - VPN Fast & Unlimited
AceVPN - VPN Fast & Unlimited
AceVPN - VPN Fast & Unlimited
Privacy Proxy & WiFi Security
Free

This app provides a fast and private VPN service for iPhone users seeking stable internet access on public Wi-Fi and mobile networks. It offers a simple, one-tap connection to help hide your IP address and enhance online privacy during browsing, streaming, or work.

Fast VPN connectionsPrivate proxy accessStable VPN sessions
🔧 Utilities
(44)
freemium
10
AI Arena
AI Arena
AI Arena
Find the best AI
Free

Compare responses from various AI assistants side-by-side. Create custom arenas to test different AI models with identical prompts and evaluate their quality, accuracy, creativity, and style.

Create custom AI comparison arenasTest multiple AI models simultaneouslySend identical prompts to various AIs
🔧 Utilities
(2)
free with in-app purchases