Comparison

Boxing Timer · Rocky vs Cronos Academy

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

Head to head
About

Boxing Timer · Rocky

This interval timer app is designed for various training styles, including boxing, HIIT, and combat sports. It features a customizable interface with a modern aesthetic and clear visual cues for work and rest periods. Track your progress with detailed statistics and history while focusing on your workout.

Highlights
  • Professional boxing interval timer
  • Customizable rounds, work, and rest intervals
  • Quick presets for Boxing, MMA, and Tabata
  • Works in the background
  • Progress tracking with stats and history
  • Sleek 'Liquid Glass' Dark Mode interface
Features
Read full description

Train with structure. Stay focused on every round. Rocky is a boxing round and interval timer built for fighters, coaches, and anyone training at home or in the gym. Set up a session in seconds, press start, and let clear bells and audio alerts guide you through work and rest. BUILT FOR COMBAT TRAINING • Boxing and heavy bag workouts • MMA, Muay Thai, kickboxing and BJJ • Sparring, shadowboxing and pad work • HIIT, Tabata and circuit training EVERYTHING YOU NEED • Customize rounds, work time, rest time and preparation • Hear clear audio alerts without watching the screen • Keep the timer running in the background or with the screen locked • Continue listening to your music while you train • Save favorite workout configurations for faster starts • See workout history, statistics and training streaks • Follow a large countdown with clear work and rest colors Rocky replaces a physical gym timer with a simple timer you can always carry. It works for quick solo sessions, structured fight training, coaching and group workouts. Set your rounds. Start the timer. Focus on training. Rocky Pro unlocks unlimited workouts, complete history and statistics, plus all premium features. Monthly and lifetime purchase options may be available. Privacy Policy: https://www.studiojb.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Cronos Academy

Features
Read full description

Cronos is the training app of Cronos Academy, a network of combat sports gyms in Paraguay. Learn boxing from scratch with videos by head coach Lehi Leiva, practice combos with a voice that calls them out, and train your body with guided workouts. The app is in Spanish. THEORY (TEORÍA) A path of short videos that unlock one at a time. Start with the Novicio pillar: choosing your gear, wrapping your hands, stance and guard, breathing, vocabulary, footwork, attack and defense. Finish all 12 videos and earn your first medal. HEAVY BAG (SACO) Build combos with a 12-punch calculator (jab, cross, hooks and uppercuts, each also to the body), pick your pace, place your phone about two meters from the bag and start. The app calls out each combo by voice and shows every punch on screen while you train. PHYSICAL (FÍSICO) Seven guided workouts, with every exercise on video and a timer: Prende la chispa, Coraza, Recluta, Instinto Salvaje, Tambor de Guerra, Blindaje and Soldado. Build strength, endurance, core and mobility, at beginner and intermediate levels. YOUR PROGRESS Your streak counts the days you train. Your profile keeps your sessions, medals and combos. Create your account with email, Apple or Google. You can delete it anytime from your profile. No more excuses. Download Cronos and throw your first round.

Screenshots

Boxing Timer · Rocky4 screens
Cronos Academy4 screens

Verdict

The call

The clearest difference is in-app purchases: Cronos Academy at none against Boxing Timer · Rocky's 4. Cronos Academy also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, 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 Timer · Rocky sells 4 in-app purchases, starting at $2.99 per month. Cronos Academy asks for nothing beyond the download.

UpkeepUpdate frequency

Boxing Timer · Rocky ships an update fortnightly, Cronos Academy monthly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 7 level
Boxing Timer · Rocky versus Cronos Academy: the parameters behind the verdict, then further details
ParameterBoxing Timer · RockyCronos Academy
PriceFreeFree
Rating4.8 (37 ratings) — better—
Number of ratings37 — better—
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size20 MB111 MB
Age rating4+12+
Developerjean-baptiste delcrosBastien Joubert

In-app purchases

4 purchases

Boxing Timer · Rocky

Subscriptions2
  • Monthly plan7 Days trial$2.991 Month
  • Weekly plan$6.997 Days
One-time2
  • Lifetime Access$9.99
  • Lifetime Access$19.99
None

Cronos Academy

No in-app purchases

Questions

Is Boxing Timer · Rocky free?
Boxing Timer · Rocky is free to download, with in-app purchases available.
Is Cronos Academy free?
Cronos Academy is free to download, with no in-app purchases.
Do Boxing Timer · Rocky or Cronos Academy have ads?
Neither Boxing Timer · Rocky nor Cronos Academy shows ads.
Which is updated more often, Boxing Timer · Rocky or Cronos Academy?
Boxing Timer · Rocky ships an update fortnightly, and Cronos Academy monthly. Most recently, Boxing Timer · Rocky was updated on November 5, 2026 and Cronos Academy on November 6, 2026.

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