Comparison

Best Interval Timer Pro vs Core

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

Head to head
About

Best Interval Timer Pro

This app acts as a personal coach, guiding you through various workouts with customizable interval timers. It supports multiple exercise types and allows for unlimited routine creation, ensuring you can focus on your fitness goals without tracking time.

Highlights
  • Customizable interval timers
  • Unlimited routine creation
  • Pre-set editable routines
  • Background and multitasking support
  • Vibration and sound alerts
  • Music playback support
Features
Read full description

Best Interval Timer is a simple but powerful training app, default routines together with your customized routines will help doing your workouts and fitness. This app is like your personal coach, when you are boxing, MMA, jogging, running, Tabata, swimming, pushups, sit ups, yoga, cycling, exercise, stretching, circuit training, and workout etc, just focus on your workout without having to worry about time, Best Interval Timer will lead you to finish them perfectly. You can create unlimited interval timers which could include warm-up, high/low intensity, cool down and rest time etc, you can custom how many sets you wish to do. Eight free editable routines: MMA, Yoga, Pushups, Boxing, Rope Skipping, Dumbbell, Situps and Jogging. Key Features: ⁃ 8 editable default routines. ⁃ Create unlimited your own routines. ⁃ Big readable counting down time. ⁃ Start, pause or reset routine. ⁃ Warm up, low intensity, high intensity, cool down, rest time. ⁃ Support background, foreground playing and multitasking. ⁃ Music plays. ⁃ Vibrate or not. ⁃ 15 interval switch sounds. ⁃ 12 background interval pictures available. ⁃ Show number of times you have practiced of one routine. ⁃ Support landscape and portrait. ⁃ Create unlimited reminders to alert you doing your workout or anything else. ⁃ Supports universal version. If you have any question or suggestion, please send email to our support userfeed@vip.tom.com.

About

Core

This app helps you stay focused during workouts by managing intervals, work times, and rest periods with clear visual and audio cues. Save custom routines for HIIT, Tabata, or boxing, and track your training history to monitor progress.

Highlights
  • Customizable interval timers
  • Audio cues for work/rest phases
  • Save and reuse workout routines
  • Visual countdown and color coding
  • Workout history and trend tracking
  • Optional Pro features via in-app purchase
Features
Read full description

Keep your focus on the workout Core takes care of the intervals, so you can stay with your training. Set your work time, rest time and sets, then follow a clear countdown and audio cues from the first round to the last. Made for your routine Build a timer for HIIT, Tabata, circuit training or boxing rounds. Save your usual workouts and have them ready when it is time to train again. Know when to move and when to recover A large countdown and distinct work and rest colors make each phase easy to recognize at a glance. Choose audio cues that suit the way you train. See the work you have put in Revisit completed sessions and see your weekly training trends. Your training history gives every session a place beyond the final countdown. Go further with Core Pro Unlock unlimited timers and duplicates, full workout history, monthly and yearly trends, and CSV export. These features require an in-app purchase. Core Pro is optional. Available plans and prices are shown before purchase. If you choose an auto-renewable subscription, payment is charged to your Apple Account at confirmation. It renews automatically unless canceled at least 24 hours before the current period ends. Manage or cancel your subscription in your App Store account settings. Privacy policy: https://yating-900.github.io/core-timer-site/privacy.html Terms of use: https://yating-900.github.io/core-timer-site/terms.html If you have any ideas to improve the App, please contact us via coretimerapp@gmail.com. Your feedback is highly valued!

Screenshots

Best Interval Timer Pro4 screens
Core4 screens

Verdict

The call

The clearest difference is price: Core at Free against Best Interval Timer Pro's $0.99. Core also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 88%). Best Interval Timer Pro's advantage is update cadence (every 13 months vs every 33 months) and ratings volume (14 vs 4). On ads, in-app purchases, monetization model 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

Core is free to download; Best Interval Timer Pro costs $0.99 up front. Best Interval Timer Pro sells 3 in-app purchases, starting at $0.99 per month and Core sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Core holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews point the same way: 88% of Best Interval Timer Pro's written reviews are positive against 100% of Core's.

UpkeepUpdate frequency

Best Interval Timer Pro ships an update every 13 months, Core every 33 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Best Interval Timer Pro versus Core: the parameters behind the verdict, then further details
ParameterBest Interval Timer ProCore
Price$0.99Free — better
Rating4.8 (14 ratings)5.0 (4 ratings) — better
Positive reviews88.0% of reviews100.0% of reviews — better
Number of ratings14 — better4
Update frequencyEvery 13 months — betterEvery 33 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size12 MB9 MB
Age rating4+4+
Developer倩 赵Yating Lu

Customer experience

Best Interval Timer Pro

All ratings14 ratings
Positive92.9%
Neutral7.1%
Negative0.0%
Written reviews25 reviews
Positive88.0%
Neutral4.0%
Negative8.0%

Core

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Best Interval Timer Pro

Subscriptions3
  • Premium - 1 month7 Days trial$0.991 Month
  • Premium - 6 months1 Month trial$5.496 Months
  • Premium - 1 year3 Months trial$9.991 Year
3 purchases

Core

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$9.991 Year
One-time1
  • Lifetime$14.99

Questions

Is Best Interval Timer Pro free?
Best Interval Timer Pro costs $0.99, and also offers in-app purchases.
Is Core free?
Core is free to download, with in-app purchases available.
Which has better reviews, Best Interval Timer Pro or Core?
Core is rated higher. Best Interval Timer Pro averages 4.8 out of 5 from 14 ratings, while Core averages 5.0 from 4 ratings.
Do Best Interval Timer Pro or Core have ads?
Neither Best Interval Timer Pro nor Core shows ads.
Which is updated more often, Best Interval Timer Pro or Core?
Best Interval Timer Pro ships an update every 13 months, and Core every 33 months. Most recently, Best Interval Timer Pro was updated on November 1, 2026 and Core on November 3, 2026.

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