Comparison

Interval Timer vs CoreFit Collective

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

CoreFit Collective

Features
Read full description

CoreFit App is a powerful new platform built for the next generation of fitness professionals. Designed to support your growth on and off the floor, this all-in-one mobile and web app delivers science-based education, practical coaching tips, inspiring class designs, curated playlists, and an engaging instructor community for connection and collaboration. Accessible anytime, anywhere, CoreFit Collective empowers you to learn, create, and inspire—every step of the way. Our app offers auto-renewing subscriptions. You'll receive unlimited access to content on all your devices. Payment is charged to your account at confirmation of purchase. Pricing varies by location and is confirmed prior to purchase. Subscription automatically renews each month unless canceled at least 24 hours before the end of the current billing period, or the trial period (when offered). Cancel anytime in Account Settings. Terms of service: https://corehealthfitness.uscreen.io/pages/terms Privacy policy: https://corehealthfitness.uscreen.io/pages/privacy

Screenshots

Interval Timer4 screens
CoreFit Collective3 screens

Verdict

The call

The clearest difference is ads: CoreFit Collective at none against Interval Timer's shown. Interval Timer's advantage is update cadence (every 9 days vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support 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 CoreFit Collective sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, CoreFit Collective every 2 months. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus CoreFit Collective: the parameters behind the verdict, then further details
ParameterInterval TimerCoreFit Collective
PriceFreeFree
Rating4.5 (19K ratings) — better—
Positive reviews72.9% of reviews—
Number of ratings19K — better—
Update frequencyEvery 9 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch
Requires iOS13.0 — better15.0
Further details — not scored
Size143 MB65 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.Core Health & Fitness LLC

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

CoreFit Collective

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
2 purchases

CoreFit Collective

Subscriptions2
  • CoreFit Cycle Monthly (In-App)$5.991 Month
  • CoreFit Cycle Yearly (In-App)$59.001 Year

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is CoreFit Collective free?
CoreFit Collective is free to download, with in-app purchases available.
Do Interval Timer or CoreFit Collective have ads?
Interval Timer shows ads; CoreFit Collective does not.
Which is updated more often, Interval Timer or CoreFit Collective?
Interval Timer ships an update every 9 days, and CoreFit Collective every 2 months. Most recently, Interval Timer was updated on October 25, 2026 and CoreFit Collective on October 12, 2026.

Other comparisons