Comparison

Strike Timer Interval Training vs RoundBell

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

Head to head
About

Strike Timer Interval Training

Features
Read full description

Strike Timer is a precision interval training app built for combat sports athletes and fitness enthusiasts. Create custom round timers with work/rest phases, voice coaching cues, and premium sound packs. Track your training history, sync workouts to Apple Health, and control your timer from your Apple Watch. Features: - Customizable round timers with work, rest, prep & cooldown phases - Built-in boxing, Muay Thai, Tabata & HIIT presets - Voice coaching cues (male & female) - Apple Watch companion app - Apple Health integration - Workout history & streak tracking - Premium sound effects - Custom color themes - Shake to pause โ€” hands-free control No ads. No tracking. Just a better timer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://striketimer.com/privacy

About

RoundBell

Features
Read full description

RoundBell is a gym-grade round and interval timer for boxing, HIIT, and everything with a work and rest rhythm. Big numbers, loud bells, and a warning before every round ends, so your hands stay up and your eyes stay off the clock. Start in seconds with a real built-in library: - Classic boxing, 12 rounds of 3:00 work and 1:00 rest, plus amateur, speed, and heavy-bag variants - HIIT intervals like 40/20 and 30/30 - Tabata, the classic 20/10 by eight, and a double round - EMOM, every minute on the minute - Bodyweight and core circuits, plus mobility and cooldown flows Build your own timer: - Set prepare, rounds, work and rest phases, cooldown, and the bell - Add as many phases per round as you want for real circuits - Pick from six bells and a configurable end-of-round warning During a workout: - A full-bleed display that scales up on iPad and Mac - Bell at every change, a warning beep before work ends, and a 3 2 1 countdown - Haptics and a keep-awake screen, so it works from across the room Keep going and it adds up: - Every session is logged with your day streak, totals, and a weekly-minutes chart - Personal records for best rounds and longest session - A boxing combo of the day with a coaching tip Free and Lifetime: - Free includes the whole built-in library, the full timer, every cue, the log, and up to three saved custom timers - Lifetime is a one-time $9.99 USD purchase that lifts the cap to unlimited custom timers and unlocks training-log exports to CSV and PDF Your custom timers and workout history sync across your iPhone, iPad, and Mac with your private iCloud. No account to create, no ads, and no tracking.

Screenshots

Strike Timer Interval Training4 screens
RoundBell4 screens

Verdict

The call

The clearest difference is update cadence: RoundBell at every 9 days against Strike Timer Interval Training's every 3 weeks. Strike Timer Interval Training's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Strike Timer Interval Training sells 1 in-app purchase, starting at $14.99 per year and RoundBell sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Strike Timer Interval Training ships an update every 3 weeks, RoundBell every 9 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard2 real differences ยท 4 level
Strike Timer Interval Training versus RoundBell: the parameters behind the verdict, then further details
ParameterStrike Timer Interval TrainingRoundBell
PriceFreeFree
Update frequencyEvery 3 weeksEvery 9 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPod, Apple Watch โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better18.0
Further details โ€” not scored
Size47 MB5 MB
Age rating4+4+
DeveloperShannon KempenichInnovaLabWorks

In-app purchases

1 purchases

Strike Timer Interval Training

Subscriptions1
  • Strike Timer Pro$14.991 Year
1 purchases

RoundBell

One-time1
  • RoundBell Lifetime$49.99

Questions

Is Strike Timer Interval Training free?
Strike Timer Interval Training is free to download, with in-app purchases available.
Is RoundBell free?
RoundBell is free to download, with in-app purchases available.
Do Strike Timer Interval Training or RoundBell have ads?
Neither Strike Timer Interval Training nor RoundBell shows ads.
Which is updated more often, Strike Timer Interval Training or RoundBell?
Strike Timer Interval Training ships an update every 3 weeks, and RoundBell every 9 days. Most recently, Strike Timer Interval Training was updated on October 15, 2026 and RoundBell on October 16, 2026.

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