Comparison

Boxing Interval Timer vs Timer4BJJ

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

Timer4BJJ

This app helps practitioners time their Brazilian Jiu-Jitsu rolling and rest periods. It allows for custom configurations of multiple rounds with distinct durations, streamlining training sessions.

Highlights
  • Customizable roll and rest times
  • Multiple round configurations
  • Simple and practical interface
  • Efficient training tool
Features
Read full description

Timer specifically designed to address roll time for bjj sessions. It's possible do define different roll and rest times for a different numbers of rolls, all at once, and then let it do its job. Simple, practical and efficient - all you need for your rolling.

Screenshots

Boxing Interval Timer4 screens
Timer4BJJ3 screens

Verdict

The call

The clearest difference is review sentiment: Boxing Interval Timer at 59% against Timer4BJJ's 0%. Boxing Interval Timer also leads on rating (4.8 vs 1.0) and ratings volume (13K vs 1). Timer4BJJ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. Boxing Interval Timer sells 1 one-off in-app purchase. Timer4BJJ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Boxing Interval Timer holds the better App Store score, 4.8 against 1.0. 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: 59% of Boxing Interval Timer's written reviews are positive against 0% of Timer4BJJ's.

UpkeepUpdate frequency

Boxing Interval Timer ships an update every 3 months, Timer4BJJ every 7 months. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.

Scorecard8 real differences · 2 level
Boxing Interval Timer versus Timer4BJJ: the parameters behind the verdict, then further details
ParameterBoxing Interval TimerTimer4BJJ
PriceFreeFree
Rating4.8 (13K ratings) — better1.0 (1 ratings)
Positive reviews59.0% of reviews — better0.0% of reviews
Number of ratings13K — better1
Update frequencyEvery 3 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size12 MB1 MB
Age rating4+4+
DeveloperThang NguyenINVENTIVE TECHNOLOGY CONSULTING GmbH

Customer experience

Boxing Interval Timer

All ratings13,025 ratings
Positive95.1%
Neutral2.3%
Negative2.5%
Written reviews227 reviews
Positive59.0%
Neutral8.8%
Negative32.2%

Timer4BJJ

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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)

Timer4BJJ

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Boxing Interval Timer

One-time1
  • Pro Upgrade$5.99
None

Timer4BJJ

No in-app purchases

Questions

Is Boxing Interval Timer free?
Boxing Interval Timer is free to download, with in-app purchases available.
Is Timer4BJJ free?
Timer4BJJ is free to download, with no in-app purchases.
Which has better reviews, Boxing Interval Timer or Timer4BJJ?
Boxing Interval Timer is rated higher. Boxing Interval Timer averages 4.8 out of 5 from 13K ratings, while Timer4BJJ averages 1.0 from 1 ratings.
Do Boxing Interval Timer or Timer4BJJ have ads?
Boxing Interval Timer shows ads; Timer4BJJ does not.
Which is updated more often, Boxing Interval Timer or Timer4BJJ?
Boxing Interval Timer ships an update every 3 months, and Timer4BJJ every 7 months. Most recently, Boxing Interval Timer was updated on October 6, 2026 and Timer4BJJ on September 24, 2026.

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