Comparison

Combo Flow vs Rounder

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

Head to head
About

Combo Flow

Read full description

Combo Flow - Your Personal Boxing & Martial Arts Trainer Transform your heavy bag training with the most innovative boxing app ever created. HeavyBagCoach combines cutting-edge proximity sensor technology with professional training methodology to deliver a hands-free, immersive training experience. SMART HANDS-FREE CONTROL • Proximity Sensor Magic: Control your training without touching your phone • Keep your focus on training, not your device PROFESSIONAL TRAINING MODES • Boxing & Muay Thai disciplines with authentic combos • Custom combo creation with unlimited possibilities • Pre-built combo library from professional trainers • Save and organize your favorite combinations • Build complete training sessions in minutes PRECISION TIMING SYSTEM • Customizable rounds (1-12 rounds) • Adjustable round duration (1-5 minutes) • Professional rest periods (30s-2min) • Big, clear countdown timer • Audio & haptic feedback for round transitions FLEXIBLE DISPLAY OPTIONS • Numbers mode: 1-2-3 for quick reference • Words mode: Jab-Cross-Hook for technique focus • Choose what works best for your training style • Clean, distraction-free interface TRAINING FEATURES • Unlimited custom combos (Pro) • Save multiple training sets • Track your progress over time • Professional audio cues • Haptic feedback for engagement PRIVACY FIRST • 100% offline - no internet required • No data collection or tracking • Your training data stays on your device • Local storage with encryption PERFECT FOR: • Boxing enthusiasts • Muay Thai practitioners • Martial arts students • Fitness professionals • Anyone serious about combo training Whether you're a beginner learning the basics or an advanced fighter refining your technique, Combo Flow adapts to your skill level and training goals. Download now and experience the future of boxing training! --- FREE FEATURES: • Access to all built-in combos • Basic training sessions • Proximity sensor control • Timer and round management PRO FEATURES: • Unlimited custom combos • Unlimited training sets • Advanced customization options • Priority feature updates Start your journey to becoming a better fighter today! Terms of Use: https://arturr18.github.io/Combo-Flow-Support/terms.html

About

Rounder

Features
Read full description

A timer that doesn’t flinch. The screen never sleeps. Built for fighters, athletes, and anyone who trains with intent. Aggressive visuals, punchy audio cues, and a UI that adapts like muscle memory. - Instant round switching and zero-lag start - Audio cues that cut through silent mode - Pulse-style animations that hit like a heartbeat - Localization and customization for your rhythm - Flawless layout across all screens — no scroll, no glitches This isn’t just a timer. It’s your tempo. Download. Lock in. Don’t stop.

Screenshots

Combo Flow4 screens
Rounder4 screens

Verdict

The call

The clearest difference is iOS requirement: Rounder at 13.0 against Combo Flow's 18.5. On price, update cadence, ads and in-app purchases 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. Combo Flow sells 3 in-app purchases, starting at $6.99 per month and Rounder sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Combo Flow ships an update weekly, Rounder every 2 weeks. Both last shipped on October 30, 2026.

Scorecard1 real difference · 5 level
Combo Flow versus Rounder: the parameters behind the verdict, then further details
ParameterCombo FlowRounder
PriceFreeFree
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.513.0 — better
Further details — not scored
Size5 MB44 MB
Age rating4+4+
DeveloperArtur ReshetnikovDmytro Alandariev

In-app purchases

3 purchases

Combo Flow

Subscriptions2
  • Combo Flow Pro Monthly7 Days trial$6.991 Month
  • Combo Flow Pro Annual7 Days trial$44.991 Year
One-time1
  • Combo Flow Pro Lifetime$99.99
3 purchases

Rounder

Subscriptions2
  • Weekly PRO$0.997 Days
  • Monthly PRO$1.991 Month
One-time1
  • Unlock Combat Power$2.99

Questions

Is Combo Flow free?
Combo Flow is free to download, with in-app purchases available.
Is Rounder free?
Rounder is free to download, with in-app purchases available.
Do Combo Flow or Rounder have ads?
Neither Combo Flow nor Rounder shows ads.
Which is updated more often, Combo Flow or Rounder?
Combo Flow ships an update weekly, and Rounder every 2 weeks. Most recently, Combo Flow was updated on October 30, 2026 and Rounder on October 30, 2026.

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