Comparison

Boxing Interval Timer vs BJJ Stopwatch

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

Head to head
About

Boxing Interval Timer

This app provides a customizable interval timer for various round-based sports and high-intensity interval training. Easily set times and sounds for preparation, rounds, and rest, with visual and auditory alerts to keep you on track during your workouts.

Highlights
  • Configurable sounds and times
  • Set preparation, round, and rest intervals
  • Inner round alerts
  • Color phase indication
  • Blinking warning alerts
  • Multiple custom profiles
  • Screen stays on automatically
Features
Read full description

Boxing Interval Timer is a round timer designed for training in any round sport such as Boxing Martial Arts, Wrestling, Mixed Martial Arts (MMA), Muay Thai, Kick Boxing, BJJ, or for any other round timer needs. It’s simple, modern and effective and works well also for HIIT trainings like TABATA, CrossFit. FEATURES: * Fully configurable sounds & times * Set times & sounds for preparation, round, warning, and rest * Inner round alerts * Color indication of phase * Blinking to alert warning * Screen stays on automatically * Works with screen on, or off * Multiple profiles to select * Create custom profile for different sports * Can be used for TABATA, CrossFit and other HIIT exercises * Easy to use Use the timer for when exercising in the gym, running, doing bodyweight exercises, sprints, high-low intensity cycling, boxing, MMA or other martial arts. Even though it says Boxing Interval Timer, you can use it for your TABATA, HIIT(High Intensity Interval Training), CrossFit or circuit training

About

BJJ Stopwatch

This specialized timer app provides clear audio cues for training Brazilian Jiu-Jitsu. It features a user-friendly interface with large displays and dark mode, along with quick actions for pausing, resetting, and adjusting rounds. Ideal for practitioners, coaches, and academies seeking structured training sessions.

Highlights
  • Clear audio signals for round start/end
  • Configurable warning signals
  • Rest period indicators
  • Large, easy-to-read display
  • Dark mode support
  • Pause/Resume functionality
  • Quick round reset
Read full description

BJJ Stopwatch is a specialized timer application designed specifically for Brazilian Jiu-Jitsu practitioners. Whether you're training for competition, drilling techniques, or enjoying an open mat session, this app has you covered. FEATURES: • Clear Audio Signals: Start/end round notifications Warning signals at configurable intervals Rest period indicators to prepare for the next round • User-Friendly Interface: Large, easy-to-read display Simple, intuitive controls Dark mode support for low-light training environments • Quick Actions: Pause/Resume functionality Quick round reset Easy timer adjustments Perfect for BJJ students, coaches, and academies looking to structure their training sessions efficiently.

Screenshots

Boxing Interval Timer4 screens
BJJ Stopwatch4 screens

Verdict

The call

The clearest difference is review sentiment: BJJ Stopwatch at 100% against Boxing Interval Timer's 58%. BJJ Stopwatch also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Boxing Interval Timer's advantage is ratings volume (13K vs 1). On price, in-app purchases, device support and iOS requirement 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. Boxing Interval Timer sells 1 one-off in-app purchase and BJJ Stopwatch sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BJJ Stopwatch holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Boxing Interval Timer has 13K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 58% of Boxing Interval Timer's written reviews are positive against 100% of BJJ Stopwatch's.

UpkeepUpdate frequency

Boxing Interval Timer ships an update every 3 months, BJJ Stopwatch weekly. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
Boxing Interval Timer versus BJJ Stopwatch: the parameters behind the verdict, then further details
ParameterBoxing Interval TimerBJJ Stopwatch
PriceFreeFree
Rating4.8 (13K ratings)5.0 (1 ratings) — better
Positive reviews58.4% of reviews100.0% of reviews — better
Number of ratings13K — better1
Update frequencyEvery 3 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.2 — better
Further details — not scored
Size12 MB61 MB
Age rating4+4+
DeveloperThang NguyenDIOGO AUGUSTO OLIVEIRA

Customer experience

Boxing Interval Timer

All ratings13,081 ratings
Positive95.1%
Neutral2.4%
Negative2.6%
Written reviews231 reviews
Positive58.4%
Neutral8.7%
Negative32.9%

BJJ Stopwatch

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Boxing Interval Timer

Reported bugs

4 issues
  • Timer stops when switching apps or locking phone
  • Ads interfere with timer functionality
  • Inconsistent timer performance (slowing down, stopping)
  • Inability to close ads or navigate around them

Requested features

5 requests
  • Allow timer to run in background
  • Add more sound/alert options (e.g. boxing bell, countdown)
  • Improve ad placement to avoid interrupting workouts
  • Provide more customization options for timer settings
  • Implement tracking features (e.g. total time, weekly progress)

BJJ Stopwatch

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Boxing Interval Timer

One-time1
  • Pro Upgrade$5.99
1 purchases

BJJ Stopwatch

One-time1
  • BJJ Stopwatch PRO Unlock$4.99

Questions

Is Boxing Interval Timer free?
Boxing Interval Timer is free to download, with in-app purchases available.
Is BJJ Stopwatch free?
BJJ Stopwatch is free to download, with in-app purchases available.
Which has better reviews, Boxing Interval Timer or BJJ Stopwatch?
BJJ Stopwatch is rated higher. Boxing Interval Timer averages 4.8 out of 5 from 13K ratings, while BJJ Stopwatch averages 5.0 from 1 ratings.
Do Boxing Interval Timer or BJJ Stopwatch have ads?
Boxing Interval Timer shows ads; BJJ Stopwatch does not.
Which is updated more often, Boxing Interval Timer or BJJ Stopwatch?
Boxing Interval Timer ships an update every 3 months, and BJJ Stopwatch weekly. Most recently, Boxing Interval Timer was updated on November 12, 2026 and BJJ Stopwatch on November 4, 2026.

Other comparisons