Best Chronometer Apps

215+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

The best chronometer apps on iPhone average 4.6★ across 215+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Chronometer Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Cronometer: Calorie CounterCronometer: Calorie CounterFree4.8★ (95K)YesYesJul 2026
2MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.3M)YesYesJul 2026
3Stopwatch for Sport & WorkStopwatch for Sport & WorkFree4.8★ (224)NoYesJul 2026
4Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (767K)YesYesJul 2026
5Emerald ChronometerEmerald ChronometerFree4.9★ (105)NoJul 2026
6Cal AI - Calorie TrackerCal AI - Calorie TrackerFree4.8★ (341K)YesYesJul 2026
7MacroFactor - Macro TrackerMacroFactor - Macro TrackerFree4.8★ (19K)YesYesJul 2026
8MacrosFirst - Macro TrackerMacrosFirst - Macro TrackerFree4.9★ (19K)YesYesJul 2026

Top Picks for Chronometer

Cronometer: Calorie Counter#1

Cronometer: Calorie Counter by Cronometer Software Inc

Nutrition, macro, diet tracker
Editor's Choice
💪 Health & Fitness
4.8😊(95K ratings)
FreeAdsIn-App Purchases
#12in Health & Fitness
Cronometer: Calorie Counter screenshot 1
Cronometer: Calorie Counter screenshot 2
Cronometer: Calorie Counter screenshot 3
Cronometer: Calorie Counter screenshot 4
Cronometer: Calorie Counter screenshot 5
Cronometer: Calorie Counter screenshot 6

Track your diet and exercise with an extensive food database and detailed nutrient breakdowns. Monitor progress towards health goals, integrate with fitness devices, and gain insights into sleep patterns. Offers premium features for enhanced tracking and an ad-free experience.

What We Love

  • 👍 Excellent functionality
  • 👍 Best tracker out there
  • 👍 Logging food is super simple
  • 👍 Easy to set up and use

Room to Improve

  • 🔒 Doesn't allow hiding email
  • 🐛 Widgets don't update properly
  • 🐛 Recipes don't always import correctly
MyFitnessPal: Calorie Counter#2

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Food, Fitness & Weight Tracker
Strong Contender
💪 Health & Fitness
4.7😐(2.3M ratings)
FreeAdsIn-App Purchases
#1in Health & Fitness
MyFitnessPal: Calorie Counter screenshot 1
MyFitnessPal: Calorie Counter screenshot 2
MyFitnessPal: Calorie Counter screenshot 3
MyFitnessPal: Calorie Counter screenshot 4
MyFitnessPal: Calorie Counter screenshot 5
MyFitnessPal: Calorie Counter screenshot 6

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

What We Love

  • 💪 Effective for weight loss/healthy eating
  • 🔍 Extensive food database
  • 📊 Helpful tracking and progress features
  • 🤝 Social features and community support

Room to Improve

  • 🐛 Buggy and glitchy app performance
  • 💰 Aggressive push for premium subscription
  • 📋 Inaccurate food data and calculations
Stopwatch for Sport & Work#3

Stopwatch for Sport & Work by Volodymyr Lisovyi

Measure, Track, Analysis Time
Worth Considering
🔧 Utilities
4.8(224 ratings)
FreeIn-App Purchases
Stopwatch for Sport & Work screenshot 1
Stopwatch for Sport & Work screenshot 2
Stopwatch for Sport & Work screenshot 3
Stopwatch for Sport & Work screenshot 4
Stopwatch for Sport & Work screenshot 5
Stopwatch for Sport & Work screenshot 6

This app helps you measure, track, and analyze time for various activities like sports, work, and hobbies. It offers cross-device syncing, organized time grouping, and the ability to run multiple timers simultaneously. Stay focused and manage your time effectively with its simple interface and background operation.

More Chronometer apps to explore

4
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

Calorie trackingWeight loss planningAI voice meal logging
💪 Health & Fitness
(767K)
free with in-app purchases
5
Emerald Chronometer
Emerald Chronometer
Emerald Chronometer
by Scapa Flow, LLC
Free

Experience highly detailed mechanical watch faces with advanced astronomical and clock complications. Track celestial events, manage time with precision, and explore historical and future dates with interactive displays. Optimized for iPhone and iPod touch.

Accurate astronomical data (4000 BCE - 2800 CE)Sun, Moon, and planet rise/set timesMechanical display of Moon phases
🔧 Utilities
(105)
paid
6
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Food & Macro Counter
Free

This app helps you achieve your fitness goals by tracking your calorie and macronutrient intake. Simply answer lifestyle questions to create a personalized plan, then snap photos of your meals for an instant nutritional breakdown. It aims to simplify dieting and empower users with the tools and information needed to succeed.

Personalized lifestyle plan creationMeal photo nutritional analysisCalorie and macro tracking
💪 Health & Fitness
(341K)
freemium
7
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
Calorie, Nutrition, Food, Diet
Free

This app uses a dynamic algorithm to adapt your calorie and macro targets based on your metabolism and progress. It offers tools for quick food logging, a verified database, and personalized coaching to help you achieve sustainable diet goals without stress or rigidity.

Dynamic metabolism adaptationPersonalized macro and calorie targetsVerified food database
💪 Health & Fitness
(19K)
free with in-app purchases
8
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
Calorie Counter, Nutrition Log
Free

This app helps users track their food intake, calories, and macronutrients to achieve health and fitness goals. It offers features like custom goal setting, automatic serving size calculation, and quick food logging via barcode scanning or label analysis. Users can also monitor progress, share meals, and even convert alcohol calories into macro equivalents.

Custom macro goal settingAutomatic serving size calculationBarcode and label scanning for food logging
💪 Health & Fitness
(19K)
freemium
9
Nutrition Tracker ·
Nutrition Tracker ·
Nutrition Tracker ·
Calories, Macros & Fasting
Free

This app simplifies calorie and macro tracking by creating personalized plans based on your lifestyle. It offers effortless food logging and optional daily photo tracking to visualize body progress. Unlock advanced features like fasting and meal creation with a purchase.

Personalized lifestyle plansOne-tap food loggingAccurate calorie and macro tracking
💪 Health & Fitness
(1K)
free with in-app purchases
10
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.

Barcode scannerMeal Scan (photo logging)Macro and protein tracking
💪 Health & Fitness
(157K)
freemium
11
Chronometer Lite
Chronometer Lite
Chronometer Lite
Time Simplified
Free

This app presents the current time in a clear, easy-to-read format. It allows users to personalize the background with their own images, simplifying time display.

Easy-to-read time displayPersonalized image backgroundsSimplified interface
📊 Productivity
(27)
free
12
Chronometer
Chronometer
Chronometer
Accuracy recording
$2.99

Easily track your watch's accuracy against atomic time. Simply set your watch to atomic time, take a photo of the dial within the app, and record the difference. Analyze daily deviations over 15 days to assess your watch's performance.

Track daily watch accuracyCompare against atomic timePhoto capture for time reading
🔧 Utilities
(9)
paid
13
Calorie Counter - Calory AI
Calorie Counter - Calory AI
Calorie Counter - Calory AI
Count daily calories
Free

Easily track your daily calorie intake with personalized goals based on your weight, height, and activity level. This app helps you monitor your consumption, understand food values, and make healthier choices. It offers convenient logging features and progress tracking.

Personalized daily calorie goal calculatorQuick calorie intake loggingFasting tracker
💪 Health & Fitness
(7.8K)
freemium
14
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food tracker for weight loss
Free

This app helps you track your calorie intake and meals to achieve weight loss, muscle gain, or maintenance goals. It offers an AI-powered calorie counter, a vast food database, meal planning, and intermittent fasting support.

AI calorie trackerFood database with barcode scannerIntermittent fasting plans
💪 Health & Fitness
(49K)
freemium
15
‎Calorie Counter: Food Tracker
‎Calorie Counter: Food Tracker
‎Calorie Counter: Food Tracker
Meal Mentor・Macros Calculator
Free

Easily achieve your weight goals by tracking calorie intake through photos, barcode scans, or manual entry. Personalized daily calorie allowances and detailed nutrition facts are provided. Log workouts and sync with health apps to monitor progress and build healthy habits.

Personalized calorie allowanceTrack calorie intake via photos, barcodes, manual entryDetailed nutrition facts database
💪 Health & Fitness
(2.8K)
free with in-app purchases
16
CalZen AI Food Calorie Counter
CalZen AI Food Calorie Counter
CalZen AI Food Calorie Counter
Snap a Photo, Log Your Macros
Free

Effortlessly track your food intake by simply snapping photos of your meals. Get instant calorie and macronutrient details to help you achieve your fitness goals faster, whether it's weight loss, muscle gain, or maintaining a balanced diet.

Snap photos of mealsInstant calorie and macro detailsAI-powered analysis
💪 Health & Fitness
(3K)
freemium
17
Stopwatch ٞ
Stopwatch ٞ
Stopwatch ٞ
Running & Jogging Fitness
Free

This stopwatch app offers continuous timing even after relaunch or inactivity. It provides sound and vibration notifications for start, stop, and lap actions, with customizable options. It also supports synchronization with widgets and smartwatches for seamless use across devices.

Continuous timing without interruptionSound and vibration notificationsLap recording
🔧 Utilities
(1.2K)
ad-supported
18
AI Calorie Counter & Meal Plan
AI Calorie Counter & Meal Plan
AI Calorie Counter & Meal Plan
Scan & Track Calorie Deficit
Free

Effortlessly track your nutrition by simply taking a photo of your food. This app uses AI to instantly recognize ingredients, estimate calories, and provide a detailed nutritional breakdown. Achieve your health goals with accurate insights and personalized tracking.

Instant food recognition via photoAccurate calorie and nutrition estimatesDetailed nutritional breakdown (macros)
💪 Health & Fitness
(3K)
free with in-app purchases
19
Nite Time - a simple night clock for your nightstand with flashlight
Nite Time - a simple night clock for your nightstand with flashlight
Nite Time - a simple night clock for your nightstand with flashlight
by Nick Fanger
Free

A minimalist bedside clock with large, easy-to-read digits designed for low-light conditions. Customize displayed information and brightness. Offers optional upgrades for additional colors and a flashlight feature.

Large, clear digitsLandscape and portrait orientationAdjustable brightness
🔧 Utilities
(262)
free with in-app purchases
20
eClock!
eClock!
eClock!
Essential for study and life.
Free

This app helps you track time for daily activities, exam preparation, and focus. It offers various stylish clock designs, including modern, classical, and flip clocks, with customizable features for an elegant user experience.

Variety of clock stylesElegant dial designSmooth modern clock rotation
🔧 Utilities
(152)
free with in-app purchases

FAQ about Chronometer

What are the best chronometer apps for iPhone?
Cronometer: Calorie Counter tops our chronometer apps ranking as of July 2026, with a 4.8-star average from 95K App Store ratings, and it's free to download.
Yes — 19 of the top chronometer apps we rank are free to download, including Cronometer: Calorie Counter and MyFitnessPal: Calorie Counter.
Cronometer: Calorie Counter shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 215+ chronometer apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Cronometer is a health and fitness app designed to help users track their diet and exercise habits. It features an extensive database of verified foods for logging meals, providing detailed breakdowns of calories, vitamins, and minerals. The app also integrates with popular fitness trackers to monitor workouts and overall progress towards health goals.
Key features include tracking daily nutrition with detailed nutrient breakdowns, creating diary groups for organized food logging, setting and tracking fitness goals, and connecting with popular fitness tracking devices. It also offers enhanced sleep tracking with data import and analysis, and premium features through Cronometer Gold.

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