Best O alternatives: apps like O-Buddy

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated November 2026

O 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 O

More apps like O

4
OpenOBD: OBD2 Car Scanner
OpenOBD: OBD2 Car Scanner
OpenOBD: OBD2 Car Scanner
Check Engine Light Code Reader
Free

Transform your iPhone into a real-time car dashboard. Connect an OBD2 adapter to monitor live engine data, track your trips with GPS, and diagnose fault codes with clear explanations. Explore all features in demo mode without hardware.

Live engine data monitoringReal-time speed, RPM, temperature gaugesTrip logging with GPS mapping
🔧 Utilities
(4)
free
5
MotorLog: Vehicle Manager
MotorLog: Vehicle Manager
MotorLog: Vehicle Manager
Simplify Your Vehicle Care
Free

Manage all your vehicle's essential information in one place. Track maintenance, store documents, and set reminders for deadlines and renewals. Keep your vehicle's history organized and accessible.

Comprehensive service logsAttach photos and receiptsDigital document management
🔧 Utilities
(4)
free with in-app purchases
6
Kompress - Video compression
Kompress - Video compression
Kompress - Video compression
Reduce video size & save space
Free

This app helps you reduce the size of your video files, freeing up valuable storage space on your device. It offers a clean interface and supports various video types, including slow motion. The app also provides options to manage original files and preview content.

Reduce video file sizeSave disk spaceClean user interface
🔧 Utilities
(171)
ad-supported
7
Car Scanner ELM OBD2 327
Car Scanner ELM OBD2 327
Car Scanner ELM OBD2 327
OBD2 Diagnostic tool ELM 327
Free

Transform your smartphone into a powerful car diagnostic tool. Connect with a compatible OBD2 adapter to read trouble codes, monitor live sensor data, and understand your vehicle's health in real-time. Gain clarity on warning lights and prevent costly repairs with this intuitive automotive companion.

Read OBD2 Diagnostic Trouble Codes (DTC)Monitor live sensor dataReset Check Engine Light
🔧 Utilities
(19)
free with in-app purchases
8
Weather Navigation
Weather Navigation
Weather Navigation
Height measure & Barometer
Free

This app offers precise altitude and barometric pressure readings for outdoor activities. It includes intelligent compass navigation, sunrise/sunset times, and a camera with location data watermarks. Track your journeys and record memories with detailed footprint logging.

Accurate altitude measurementReal-time barometric pressure monitoringIntelligent compass navigation
🔧 Utilities
(8)
free
9
Clockwork - Watch app
Clockwork - Watch app
Clockwork - Watch app
Track Mechanical Accuracy
Free

This app allows you to measure the accuracy of your watches using your phone's camera. It compares an image of your watch to an atomic clock to calculate its timekeeping offset. Track accuracy over time with graphs and store detailed watch information.

Measure accuracy using imagesAtomic clock synchronizationAccuracy over time graphs
🔧 Utilities
(24)
free with in-app purchases
10
Onion Browser: Deep Web Proxy
Onion Browser: Deep Web Proxy
Onion Browser: Deep Web Proxy
Private Darknet VPN Ad Blocker
Free

This app offers private browsing with advanced security features, including access to the deep and dark web. It also provides detailed phone performance analytics, such as CPU usage and memory allocation, in a user-friendly interface.

Private browsing with encryptionDeep and dark web accessAdvanced tracking protection
🔧 Utilities
(211)
free with in-app purchases