Comparison

Box Timer vs RoundBoss

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

Head to head
About

Box Timer

This app provides a simple, distraction-free timer designed for intense training sessions like CrossFit, HIIT, and functional fitness. It features a massive, high-contrast display, customizable interval options, and seamless audio cue integration with music apps. All workouts are automatically saved for easy tracking and reuse.

Highlights
  • Massive, high-contrast display
  • Supports AMRAP, EMOM, For Time, Tabata
  • Customizable work/rest intervals and rounds
  • Works with music apps, clear audio cues
  • Automatic workout history and reuse
  • Background operation and screen lock support
  • No ads or sign-up required
Features
Read full description

SIMPLE TIMER BUILT FOR SERIOUS TRAINING Box Timer brings the power of a CrossFit box timer to your phone. Massive display. Zero distractions. Works perfectly whether you're in the gym, at home, or training outdoors. BUILT FOR CROSSFIT, HIIT & FUNCTIONAL FITNESS From crushing WODs to HYROX training and daily circuits — Box Timer handles every workout type with a clean interface that keeps you focused on the work, not the timer. EVERY WORKOUT TYPE COVERED - AMRAP (As Many Rounds As Possible) - EMOM (Every Minute On the Minute) - For Time workouts with countdown - Tabata (20/10 protocol) - Custom intervals with work/rest periods and rounds - Count up or count down modes DESIGNED FOR VISIBILITY – Massive timer display with high-contrast text – Landscape mode for maximum size – Readable from 10+ meters away – Perfect for garage gyms and home workouts AUDIO THAT WORKS WITH YOUR MUSIC – Crystal-clear audio cues for round changes – Works seamlessly with Spotify, Apple Music, and any audio app – No interruptions to your playlist – Simple settings for audio on/off SAVE YOUR GO-TO TIMERS – Save any timer as a named preset – Load it again with one tap from the timer screen – Edit or delete presets anytime – Never set up the same workout twice ZERO FRICTION EXPERIENCE – Works in background and with screen locked – No account or sign-up required – No ads – Lightning-fast timer setup – Runs smoothly even during intense workouts GLOBAL FITNESS COMMUNITY Available in English, Swedish, German, Spanish, Polish, French, and Japanese WHY ATHLETES CHOOSE BOX TIMER "This app is a must have for CrossFit workouts. Ideal for emoms, amraps and for time workouts. I even use it for strength work like squats by programming beeps for 45 seconds work and 2 minutes rest. And it’s free! I mean come on." Whether you're an elite athlete or just starting your fitness journey, Box Timer delivers exactly what you need: a powerful, distraction-free timer that stays out of your way. Get it now and experience the difference.

About

RoundBoss

Features
Read full description

The fastest way to start an interval timer. Just say it. Hold the button, speak your workout - "five rounds, two minutes, one minute rest" - and RoundBoss builds it and starts training. No menus, no fiddling. Your timer, set up in under a second. Why RoundBoss • Voice-to-timer - describe any interval workout and it's ready instantly • Built for the way you train - HIIT, Tabata, boxing/MMA rounds, EMOM, circuits, mobility, breathwork • Premium sound themes - boxing bells, dojo blocks, arcade, zen, and more • Share a timer with one link - send friends the exact session and see who finished it • Weekly wrap - your training, summed up and shareable • Full control - per-round times, warm-ups, warnings, prep - as simple or custom as you want Free to use. Premium unlocks sound themes, unlimited saved timers, completion tracking, and clone & remix. Interval timers, instantly. Download RoundBoss. ROUNDBOSS PREMIUM • 16 premium sound themes & voice coaches • 9 exclusive color themes • Unlimited custom timer configurations • Clone & remix any template • Weekly training wraps Start with a 7-day free trial on the annual plan ($29.99/year). Also available monthly at $4.99/month. Cancel anytime. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Terms of Use: https://roundboss.app/terms Privacy Policy: https://roundboss.app/privacy

Screenshots

Box Timer4 screens
RoundBoss4 screens

Verdict

The call

The clearest difference is in-app purchases: Box Timer at none against RoundBoss's 2. Box Timer also leads on update cadence (monthly vs every 3 months). RoundBoss's advantage is iOS requirement (15.1 vs 18). 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. RoundBoss sells 2 in-app purchases, starting at $2.99 per month. Box Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Box Timer ships an update monthly, RoundBoss every 3 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
Box Timer versus RoundBoss: the parameters behind the verdict, then further details
ParameterBox TimerRoundBoss
PriceFreeFree
Rating4.9 (2.9K ratings) — better—
Positive reviews93.5% of reviews—
Number of ratings2.9K — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1815.1 — better
Further details — not scored
Size7 MB180 MB
Age rating4+4+
DeveloperEdvin LindenNasyana Corp Pty Ltd

Bugs and requests

Box Timer

Reported bugs

3 issues
  • Timer not functioning properly in landscape mode
  • Review prompt interfering with timer operation
  • Compatibility issues on certain iPad models

Requested features

4 requests
  • Round count display during rest periods
  • Customizable countdown beeps or sounds
  • Ability to save and load custom timer settings
  • Apple Watch app support

RoundBoss

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Box Timer

No in-app purchases

2 purchases

RoundBoss

Subscriptions2
  • RoundBoss Premium$2.991 Month
  • RoundBoss Premium$19.991 Year

Questions

Is Box Timer free?
Box Timer is free to download, with no in-app purchases.
Is RoundBoss free?
RoundBoss is free to download, with in-app purchases available.
Do Box Timer or RoundBoss have ads?
Neither Box Timer nor RoundBoss shows ads.
Which is updated more often, Box Timer or RoundBoss?
Box Timer ships an update monthly, and RoundBoss every 3 months. Most recently, Box Timer was updated on October 20, 2026 and RoundBoss on October 8, 2026.

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