Comparison

Boxing Interval Timer vs KnuckleHeadz Boxing

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

KnuckleHeadz Boxing

Features
Read full description

Download the KnuckleHeadz Boxing App today to plan and schedule your classes at KHB! From this custom mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device!

Screenshots

Boxing Interval Timer4 screens
KnuckleHeadz Boxing3 screens

Verdict

The call

The clearest difference is in-app purchases: KnuckleHeadz Boxing at none against Boxing Interval Timer's 1. KnuckleHeadz Boxing also leads on update cadence (every 4 weeks vs every 3 months) and iOS requirement (14.0 vs 17.0). On price, ads 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. KnuckleHeadz Boxing asks for nothing beyond the download.

UpkeepUpdate frequency

Boxing Interval Timer ships an update every 3 months, KnuckleHeadz Boxing every 4 weeks. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
Boxing Interval Timer versus KnuckleHeadz Boxing: the parameters behind the verdict, then further details
ParameterBoxing Interval TimerKnuckleHeadz Boxing
PriceFreeFree
Rating4.8 (13K ratings) — better—
Positive reviews58.8% of reviews—
Number of ratings13K — better—
Update frequencyEvery 3 monthsEvery 4 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size12 MB120 MB
Age rating4+4+
DeveloperThang NguyenKnuckleHeadz Boxing Inc.

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)

KnuckleHeadz Boxing

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Boxing Interval Timer

One-time1
  • Pro Upgrade$5.99
None

KnuckleHeadz Boxing

No in-app purchases

Questions

Is Boxing Interval Timer free?
Boxing Interval Timer is free to download, with in-app purchases available.
Is KnuckleHeadz Boxing free?
KnuckleHeadz Boxing is free to download, with no in-app purchases.
Do Boxing Interval Timer or KnuckleHeadz Boxing have ads?
Both Boxing Interval Timer and KnuckleHeadz Boxing show ads.
Which is updated more often, Boxing Interval Timer or KnuckleHeadz Boxing?
Boxing Interval Timer ships an update every 3 months, and KnuckleHeadz Boxing every 4 weeks. Most recently, Boxing Interval Timer was updated on October 15, 2026 and KnuckleHeadz Boxing on September 28, 2026.

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