Comparison

Interval Timer vs Cross Fit Zone Training

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Timer

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

Highlights
  • Customizable sets, intervals, and rest times
  • Runs in background and with screen locked
  • Music playlist integration
  • Save settings as templates
  • Apple Health integration for heart rate
  • Post workouts to social media
Features
Read full description

***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396

About

Cross Fit Zone Training

Track your effort zones, heart rate, and points during CrossFit or Cross Training classes. Get real-time feedback on your Apple Watch and analyze workout summaries to maximize training and calorie burn. Integrates with Apple Health and supports various Bluetooth heart rate monitors.

Highlights
  • Track effort zones and heart rate
  • Real-time Apple Watch feedback
  • Workout summaries
  • Apple Health integration
  • Haptic feedback for points earned
  • Supports Bluetooth heart rate monitors
Features
Read full description

Track your effort zones, heart rate, and points for every CrossFit® or Cross Training class and WOD you do. Use your Apple Watch for real-time feedback or connect any Bluetooth heart rate monitor. Whether you’re a Box member or you’re doing functional training at home, Cross Train Workout Companion® will give you killer insight into how hard your body is working during each exercise. Achieve your daily point goal to maximize your training and calorie burn. Seeing your zones in real-time on your Apple Watch provides great mid-workout motivation. Track your AMRAP, EMOM, Tabata, Timer, and Metcon workouts on the convenience of your wrist then manually upload your stats to CrossFit® BTWB. Each zone is associated with a color - there are 5 zones total. Zone thresholds have been personalized to cross-training & functional fitness workouts. “Feel the buzz” - every time you earn a point, your watch will buzz with haptic feedback to indicate progress toward your goal. Whether you are looking to improve fitness, get stronger, or burn more calories in your Cross Training workouts, this Apple Watch app can help you achieve your goal. FEATURES - See your training zones in real-time - Keep track of how many points you’re earning - Track calories, duration, and training zones - See summaries of workout stats after every workout EMAIL SUMMARIES Users can opt-in to receive email summaries of every workout showing details stats to track and improve your performance. PRIVACY We value your privacy and never share or sell any user information. APPLE HEALTH INTEGRATION - We read your biometrics from Apple Health for personalization - We save your workout data to Apple Health - All workouts count towards your Apple activity rings APPLE WATCH Use any Bluetooth heart rate monitor or any Apple Watch series 3 or later. *This app is made by independent app company PK Fitness® Apps Inc and is not affiliated with CrossFit®

Screenshots

Interval Timer4 screens
Cross Fit Zone Training4 screens

Verdict

The call

The clearest difference is ads: Cross Fit Zone Training at none against Interval Timer's shown. Cross Fit Zone Training also leads on review sentiment (80% vs 69%). Interval Timer's advantage is ratings volume (19K vs 24) and device support (4 vs 2). On price, rating, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer sells 6 in-app purchases, starting at $0.99 per month and Cross Fit Zone Training sells 6 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Interval Timer against 4.6 for Cross Fit Zone Training. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 69% of Interval Timer's written reviews are positive against 80% of Cross Fit Zone Training's.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, Cross Fit Zone Training every 10 days. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus Cross Fit Zone Training: the parameters behind the verdict, then further details
ParameterInterval TimerCross Fit Zone Training
PriceFreeFree
Rating4.5 (19K ratings)4.6 (24 ratings) — better
Positive reviews69.0% of reviews80.0% of reviews — better
Number of ratings19K — better24
Update frequencyEvery 9 days — betterEvery 10 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS13.0 — better16.1
Further details — not scored
Size143 MB88 MB
Age rating4+12+
DeveloperNEO PIXEL LABS PTE. LTD.Bred Ventures Inc

Customer experience

Interval Timer

All ratings19,032 ratings
Positive88.4%
Neutral3.3%
Negative8.3%
Written reviews1,236 reviews
Positive69.0%
Neutral5.7%
Negative25.2%

Cross Fit Zone Training

All ratings24 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews10 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Ads block functionality
  • App freezes or crashes
  • Timer doesn't work in background

Requested features

5 requests
  • Add notes to workouts
  • Provide workout history and analytics
  • Allow syncing with Apple Health
  • Improve Apple Watch integration
  • Add more customization options

Cross Fit Zone Training

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Interval Timer

Subscriptions6
  • Plus - 1 Month$0.991 Month
  • Premium - 1 Month$1.991 Month
  • Plus - 1 Month$1.991 Month
Show 3 more
  • Premium - 1 Month$2.991 Month
  • Plus - 1 Year2 variants$4.991 Year
  • Premium - 1 Year7 Days trial2 variants$9.991 Year
6 purchases

Cross Fit Zone Training

Subscriptions5
  • Pro Monthly7 Days trial$8.991 Month
  • Promotional Yearly7 Days trial$19.991 Year
  • Friends & Family Yearly7 Days trial$34.991 Year
Show 2 more
  • Sidegrade to yearly$49.991 Year
  • Pro Yearly14 Days trial$69.991 Year
One-time1
  • 1 Year Free Access$69.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Cross Fit Zone Training free?
Cross Fit Zone Training is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Cross Fit Zone Training?
Cross Fit Zone Training is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while Cross Fit Zone Training averages 4.6 from 24 ratings.
Do Interval Timer or Cross Fit Zone Training have ads?
Interval Timer shows ads; Cross Fit Zone Training does not.
Which is updated more often, Interval Timer or Cross Fit Zone Training?
Interval Timer ships an update every 9 days, and Cross Fit Zone Training every 10 days. Most recently, Interval Timer was updated on September 26, 2026 and Cross Fit Zone Training on September 24, 2026.

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