Best Data Log Apps

Internet Data Tracker Manager

Daily Usage Monitor : Roaming

Free

Monitor your cellular, Wi-Fi, and roaming data usage with real-time tracking and customizable alerts. See remaining data, days left, and daily allowances at a glance with home screen widgets and Apple Watch support. Avoid overages and surprise bills with detailed history and smart notifications.

EventLog

by TouchScience

Free

This app allows users to create custom logs for any type of event. It's ideal for data collection in the field, with real-time time-tagging and exportable CSV files for analysis. Track anything from ant colony behavior to sports statistics.

Logger - Log, Track & Journal

Places, events, times & notes

Free

This app helps you remember more by tracking places, times, thoughts, and information. Capture notes with precise timestamps and locations, then easily recall past events and details. Organize your logs into multiple lists and export your data for safekeeping.

Log Dyno Logger

Datalog for Log Dyno

Free

This app logs vehicle speed using an external GPS device to calculate horsepower and torque. It's designed to work with Log Dyno, providing accurate measurements even with wheelspin.

Phone Cleaner to Clean Storage

Cleanup Photos & Contacts

Free

This app helps free up storage on your iPhone or iPad by removing duplicate and similar photos, videos, and contacts. It offers a one-click cleanup to boost performance and includes a secure vault for private information.

Shooting Range Data Log Book

Track Your Shots with Ease

Free

This app helps shooters of all levels track their performance with detailed shot logging, analytics, and visual heatmaps. It allows for offline use and progression monitoring to enhance accuracy and consistency.

IDT Data Logger

by Instruments & Data Tools Pty Ltd

Free

Manually record data points using user-defined labels and NFC tags. Capture tag information like number and description alongside your collected data. Share your recorded information across devices via AirDrop.

EasyLogCloud

Connect to the EasyLogCloud

Free

Monitor temperature and humidity data from WiFi data loggers directly on your iOS device. View live and historical readings, receive instant alarm notifications, and quickly access data from your most important sensors.

List Log

Checklists that log real data.

Free

This app allows users to create detailed checklists that capture real data, not just simple checkmarks. It supports various field types like numbers, dates, photos, and links, ensuring every record is a dated, independent snapshot of observations and actions. Data can be exported for safekeeping and analysis.