Best Data Log Apps

200+ iOS apps curated and reviewed

4.3 avg rating
17 free apps
Updated May 2026

If you already know Daygraph, this is the deeper bench. 200+ data log apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Data Log

Daygraph: Simple Daily Log#1

Daygraph: Simple Daily Log by HANBIT KIM

Simply, better tomorrow
Editor's Choice
📊 Productivity
5.0(3 ratings)
FreeAdsIn-App Purchases
Daygraph: Simple Daily Log screenshot 1
Daygraph: Simple Daily Log screenshot 2
Daygraph: Simple Daily Log screenshot 3
Daygraph: Simple Daily Log screenshot 4
Daygraph: Simple Daily Log screenshot 5
Daygraph: Simple Daily Log screenshot 6

This application helps you effortlessly track your daily routines and activities with a simple and intuitive interface, providing valuable insights into your habits and patterns. Start recording your daily life today and simplify your path to a better tomorrow with a personalized and private log that is completely free of charge.

Internet Data Tracker Manager#2

Internet Data Tracker Manager by Swetha MB

Roaming Data Usage Monitor
Strong Contender
🔧 Utilities
4.6(112 ratings)
FreeAdsIn-App Purchases
Internet Data Tracker Manager screenshot 1
Internet Data Tracker Manager screenshot 2
Internet Data Tracker Manager screenshot 3
Internet Data Tracker Manager screenshot 4
Internet Data Tracker Manager screenshot 5
Internet Data Tracker Manager screenshot 6

This mobile application tracks and monitors your device's cellular, roaming, and WiFi data usage in real-time, providing a detailed breakdown of your data consumption and alerting you when thresholds are exceeded. With easy-to-use settings and no need for account creation or complex setup, you can start tracking your data usage and stay on top of your billing cycle.

KiLog: Book Movie Game Tracker#3

KiLog: Book Movie Game Tracker by Shibapp LLC

Track life, hobbies, and work
Worth Considering
📚 Books
4.8(15 ratings)
FreeAdsIn-App Purchases
KiLog: Book Movie Game Tracker screenshot 1
KiLog: Book Movie Game Tracker screenshot 2
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KiLog: Book Movie Game Tracker screenshot 4
KiLog: Book Movie Game Tracker screenshot 5
KiLog: Book Movie Game Tracker screenshot 6

This all-in-one personal log app allows you to record and customize various aspects of your life, displaying data in lists or graphs for easy analysis. With features like customization, search, and backup, you can effortlessly track your habits, activities, and more, and start recording your life today.

More Data Log apps to explore

4
EventLog
EventLog
EventLog
by TouchScience
Free

This application allows users to track and log various types of events with time tags, making it easy to collect and analyze data in a flexible and customizable way. Users can export their data as a CSV file for analysis in popular programs, making it suitable for a wide range of applications, from sports coaching to scientific research and beyond.

📊 Productivity
(6)
5
Microsoft Power BI
Microsoft Power BI
Microsoft Power BI
Business data analytics
Free

An app for business data analytics, allowing users to access, analyze, annotate, and share data with powerful features for decision-making on the go. Get real-time notifications, explore, filter, and focus on important data, and ask questions for meaningful insights. Start making informed decisions today!

💼 Business
(93K)
6
My Data Manager VPN Security
My Data Manager VPN Security
My Data Manager VPN Security
Data Usage Monitor & VPN
Free

Monitor and manage your data usage while ensuring online security with our VPN feature. Track usage, set limits, and protect your data on-the-go. Stay in control of your data with ease.

🔧 Utilities
(3.2K)
7
Logger - Log, Track & Journal
Logger - Log, Track & Journal
Logger - Log, Track & Journal
Places, events, times & notes
Free

A versatile application for logging and tracking various activities, offering customizable options for efficient data organization. Stay organized and on top of your tasks with this intuitive tool. Try it now for seamless activity management.

📊 Productivity
(149)
8
Sugarmate by Tandem
Sugarmate by Tandem
Sugarmate by Tandem
Maximize Your CGM Data
Free

Sugarmate is a diabetes tracker app that helps simplify Type 1 Diabetes management by providing visualization tools to streamline blood sugar tracking, personalized alerts for highs and lows, trend analysis, and integration with smart devices and health platforms. Stay informed, track trends, and manage your glucose levels effectively with Sugarmate.

🏥 Medical
(14K)
9
DataMan - Data Usage Widget
DataMan - Data Usage Widget
DataMan - Data Usage Widget
No more overage
$0.99

Track your data usage effortlessly with real-time monitoring, smart forecasts, custom alerts, and a user-friendly interface. Never exceed your data cap again.

💰 Finance
(669)
10
Shooting Range Data Log Book
Shooting Range Data Log Book
Shooting Range Data Log Book
Track Your Shots with Ease
Free

This comprehensive shooting range app helps you track and analyze your shots with ease, offering features like detailed logging, performance analytics, and progression tracking to enhance your marksmanship skills. Download now and take your shooting to the next level with data-driven insights and precision tracking.

⚽ Sports
(4)
11
Phone Cleaner to Clean Storage
Phone Cleaner to Clean Storage
Phone Cleaner to Clean Storage
Cleanup Photos & Contacts
Free

Clean up and optimize your phone's storage effortlessly with our application. Easily delete duplicate photos, free up space, and keep your device running smoothly. Try it now for a clutter-free smartphone experience!

🔧 Utilities
(26)
12
Log GPS
Log GPS
Log GPS
GPS Data Logger
$4.99

This GPS data logger and recorder utility saves GPS data, including location, altitude, speed, and notes, with the option to export data in various formats. It allows users to log locations, view and edit saved readings, and share collected data with other applications, making it ideal for remote GPS data gathering and code enforcement inspections.

🗺️ Navigation
(2)
13
HeartBit: Equate Heart Health
HeartBit: Equate Heart Health
HeartBit: Equate Heart Health
Accurate variability monitor
Free

Monitor your heart health and manage stress with an all-in-one app. Track your heart rate, analyze stress levels, and receive personalized insights for a healthier lifestyle. Download now for a stress-free life!

💪 Health & Fitness
(150)
14
MadgeTech
MadgeTech
MadgeTech
Data Logging Made Mobile
Free
🔧 Utilities
(3)
15
Data Usage - Save your money
Data Usage - Save your money
Data Usage - Save your money
Stop paying overages
Free

Track your data usage effortlessly with the simplest and clearest app available. Monitor your cellular data in real time, save money on overages, and stay secure with no need for VPN or login. Check out the app today!

🔧 Utilities
(1.2K)
16
Data Clock
Data Clock
Data Clock
Buy data by the minute
Free

Purchase data by the minute for flexible usage in various situations like long bus rides or waiting rooms. Get started for as low as under $1 for 15 minutes. Explore the app now!

🔧 Utilities
(137)
17
Scuba Diving Computer Oceanic+
Scuba Diving Computer Oceanic+
Scuba Diving Computer Oceanic+
Snorkel & Dive Log Tracker
Free

Enhance your diving experience with a personalized dive computer for your Apple Watch Ultra. Dive smarter and explore the underwater world with advanced technology designed for scuba diving, snorkeling, and freediving. Experience the ultimate underwater adventure with just a tap of your wrist.

⚽ Sports
(4.3K)
18
LoggerLink
LoggerLink
LoggerLink
Mobile Direct Logger Access
Free

This mobile application allows users to access and manage IP-enabled dataloggers directly from their iOS device, enabling tasks such as viewing and collecting data, setting the clock, and downloading programs. Download the app to easily perform field maintenance and monitor datalogger health in real-time.

🔧 Utilities
(1)
19
Data Widget - 3g/4g/5g data
Data Widget - 3g/4g/5g data
Data Widget - 3g/4g/5g data
track cellular data usage
$1.99

Track your cellular data usage effortlessly with our innovative data widget. See real-time monitoring and history at a glance with a simple swipe, all while enjoying a green app that doesn't consume data, use GPS, or display ads.

🔧 Utilities
(142)
20
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Heart Rate & BP Tracker
Free

"Health Monitor: Blood Sugar" is a comprehensive health management app that allows you to track and monitor important health indicators such as heart rate, blood pressure, blood oxygen, blood sugar, and BMI. The app provides features like real-time data recording, trend analysis, and health data export to help you better understand and manage your overall well-being. Download the app now and take a step towards a healthier life.

💪 Health & Fitness
(150)

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