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Best Tdinput Apps

228+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our tdinput list covers 228+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Tdinput

StressWatch: AI Stress Monitor#2

StressWatch: AI Stress Monitor by One Hundred Bad Ideas Limited

HRV & Habit Tracker for Watch
Strong Contender
💪 Health & Fitness
4.7😊(20K ratings)
FreeIn-App Purchases
#79in Health & Fitness
StressWatch: AI Stress Monitor screenshot 1
StressWatch: AI Stress Monitor screenshot 2
StressWatch: AI Stress Monitor screenshot 3
StressWatch: AI Stress Monitor screenshot 4
StressWatch: AI Stress Monitor screenshot 5
StressWatch: AI Stress Monitor screenshot 6

Track your stress levels and improve your health with real-time HRV monitoring. Get personalized insights and tips to manage stress effectively and enhance your well-being. Start your journey to a stress-free life today!

What We Love

  • 🚀 Helpful for managing stress
  • 👍 Easy to use and useful for monitoring stress
  • 🚀 Provides accurate and insightful data
  • 👍 Smooth and intuitive user interface

Room to Improve

  • 🐛 Inconsistent or inaccurate stress readings
  • 🔔 Frequent and unnecessary notifications
  • 💰 Subscription model is expensive
Calculator 3.0#3

Calculator 3.0 by Spencer Brown

Calculations Simplified
Worth Considering
🔧 Utilities
4.7😊(3.5K ratings)
FreeIn-App Purchases
Calculator 3.0 screenshot 1
Calculator 3.0 screenshot 2
Calculator 3.0 screenshot 3
Calculator 3.0 screenshot 4

A versatile and user-friendly calculator application for Apple devices, featuring themes, haptic feedback, tip calculation, unit conversion, and more. Simplify your calculations with Calculator 3.0 - available now for free on Apple Watch, iPhone, iPad, and iMessage!

What We Love

  • 👍 Easy to use
  • 🚀 Smooth performance
  • 💡 Useful features (tip calculator, unit converter, tally counter)
  • 🎨 Customizable colors/themes

Room to Improve

  • 🐛 Memory function issues
  • 🔊 Loud button click sounds
  • 🔍 Cropped display on iPad

More Tdinput apps to explore

4
Watch Faces - WatchMaker
Watch Faces - WatchMaker
Watch Faces - WatchMaker
Wallpapers for your smartwatch
Free

Discover a vast collection of over 100,000 watch faces, wallpapers, and complications to personalize your Apple Watch. Join millions of users on this ultimate watch face platform and enhance your smartwatch experience today!

🌟 Lifestyle
(5.6K)
5
Fitbit Sync to Apple Health
Fitbit Sync to Apple Health
Fitbit Sync to Apple Health
Auto Sync of 24 Health Metrics
Free

Automatically sync your Fitbit health data to Apple Health with Syncfit. Effortlessly transfer a wide range of fitness metrics and stay on top of your health goals with ease. Subscribe for full access and enjoy the convenience of automated data synchronization.

💪 Health & Fitness
(10K)
6
Merge: Connect Android Watches
Merge: Connect Android Watches
Merge: Connect Android Watches
Health, notifications and more
Free

Merge seamlessly connects your Android watch to your iPhone for streamlined notifications, calls, health tracking, music control, contact synchronization, and device location features. Experience seamless integration and enhanced functionality with Merge.

🔧 Utilities
(291)
7
Apple Developer
Apple Developer
Apple Developer
by Apple Inc.
Free

Stay up-to-date with the latest Apple frameworks and technologies, watch WWDC videos offline, and enroll in the Apple Developer Program. Get developer news, features, and stories all in one place.

🛠️ Developer Tools
(252)
8
Speedometer 55 GPS Speed & HUD
Speedometer 55 GPS Speed & HUD
Speedometer 55 GPS Speed & HUD
Limit Alert,Black Box,Trip log
Free

Track your speed, distance, time, and location using this all-in-one GPS speedometer app. Get real-time updates on your speed while driving, running, or biking. Download now for accurate speed tracking and location services.

🗺️ Navigation
(63K)
9
Paddle Logger: SUP & Kayaking
Paddle Logger: SUP & Kayaking
Paddle Logger: SUP & Kayaking
Paddling Logbook & GPS Tracker
Free
💪 Health & Fitness
(6.1K)
10
ECG+ | Your Watch ECG Reader
ECG+ | Your Watch ECG Reader
ECG+ | Your Watch ECG Reader
The original ECG analyzer
Free

This application is a comprehensive ECG analyzer that accurately measures QTc intervals for identifying potential cardiac risks. Its user-friendly interface provides detailed analysis to assist healthcare professionals in making informed decisions. Try it now for efficient ECG interpretation and monitoring.

🏥 Medical
(2.2K)
11
WatchChat 2: Chat on Watch
WatchChat 2: Chat on Watch
WatchChat 2: Chat on Watch
Watch App for WhatsApp
Free

Experience seamless WhatsApp messaging on your Apple Watch with this app. Send and receive messages, voice messages, use different keyboard layouts, view media, and more - all while ensuring your privacy is respected. Setup is easy in just 4 steps. Explore the app for free, or support future development through a subscription for added features. Contact the developer with suggestions or issues for a better user experience.

🌐 Social Networking
(7.3K)
12
Connect IQ™ Store
Connect IQ™ Store
Connect IQ™ Store
by Garmin International
Free

Easily enhance your device with a variety of free apps from the Store for added functionality like music streaming, widgets, data fields, and custom watch faces. Streamline your experience by conveniently managing all your downloads in one place.

🔧 Utilities
(8.2K)
13
WatchsApp - Chat for Watch
WatchsApp - Chat for Watch
WatchsApp - Chat for Watch
Watch App For WhatsApp
Free

Access WhatsApp on your Apple Watch to send messages, view chats, pictures, videos, and voice messages instantly in full HD resolution. Experience improved connectivity and crystal-clear sound quality with WatchsApp - Chat for Watch.

🌐 Social Networking
(2.7K)
14
Home Assistant
Home Assistant
Home Assistant
Open Source Home Automation
Free

This home automation companion app connects to a Home Assistant instance, enabling control over a wide range of smart devices and services, automation of home functions, data privacy, and integration with various platforms like Apple Watch and Apple ecosystem. Join over 1 million users for better privacy, choice, and sustainability in your smart home.

🌟 Lifestyle
(3.4K)
15
AllMyBatteries
AllMyBatteries
AllMyBatteries
Track all your batteries here
Free

Track and monitor all your electronic device batteries with this efficient management app. Set up notifications, view battery history, and utilize widgets for a seamless experience. Download now for peace of mind!

🔧 Utilities
(2.3K)
16
Stress Monitor for Watch
Stress Monitor for Watch
Stress Monitor for Watch
HRV Tracker & Health Insights
Free

Monitor your stress levels and overall health with this innovative watch application. Track your stress, heart rate, and activities to improve your well-being. Try it now for a healthier you!

💪 Health & Fitness
(8.8K)
17
Parrity
Parrity
Parrity
A Web Browser for your Watch
Free

A Web Browser for Apple Watch that streams rich web content from your paired iPhone, with features like search, page caching, and tap-based interaction. Access web content on your watch seamlessly and interact with it in a simplified UI.

🔧 Utilities
(973)
18
Heart Rate Monitor - Pulse
Heart Rate Monitor - Pulse
Heart Rate Monitor - Pulse
Pulse & Stress Analyzer, HRV
Free

Monitor your heart rate and check your blood pressure with ease using this user-friendly application. Stay on top of your health and track your vital signs effortlessly. Download now and take control of your well-being.

🌟 Lifestyle
(108)
19
HeartWatch: Heart Rate Monitor
HeartWatch: Heart Rate Monitor
HeartWatch: Heart Rate Monitor
Health Check & Pulse Tracker
$8.99

Track your heart rate and other vital health data effortlessly with this app. Stay on top of your fitness goals and monitor your well-being with ease. Download now for a healthier you!

💪 Health & Fitness
(13K)
20
FollowMyHealth®
FollowMyHealth®
FollowMyHealth®
by Allscripts Healthcare Solutions, Inc.
Free

Access and manage your health information easily with this mobile app. Communicate with your care team, schedule appointments, view test results, and more. Download now for convenient and secure health management on-the-go.

🏥 Medical
(112K)