Comparison

RoundFlow vs Rounder

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

Head to head
About

RoundFlow

This training app offers a unique intergalactic-themed HIIT and fighting experience. It features real-time punch power measurement, voice control for hands-free operation, and global leaderboards. All your training data is securely stored in the cloud.

Highlights
  • Real-time punch power detection
  • Voice control for hands-free operation
  • Customizable HIIT timers
  • Global leaderboards
  • Cloud data synchronization
  • Training calendar and log
Features
Read full description

RoundFlow - Round Timer, Punch Power and Training Log RoundFlow is a simple training timer for boxing, MMA, HIIT and other round-based workouts. Set your rounds, work time, rest time and prep time, then start training. The timer is designed to be clear at a glance, so you can stay focused during each round. With Apple Watch support, RoundFlow can measure punch power and speed, save your best records, and show your punch history. You can also compare your results on the global leaderboard. When your hands are busy, voice control lets you start, pause, resume or reset the timer without touching your phone. Key Features Round Timer - Custom rounds, work time, rest time and prep time - Quick presets for Boxing, MMA and HIIT - Save and reuse your own training presets - Clear round status and animated progress display - Landscape clock view for easier viewing during training Punch Power - Measure punch power and speed - Apple Watch preferred, iPhone fallback when needed - Visual power dial with sound and vibration feedback - Save punch history and personal bests - Global leaderboard for punch records Training Records - Training history with workout count, rounds and total time - Duration and calorie charts - Training calendar with daily and yearly views - Training log with notes, mood and workout details - Import recent Apple Watch workout calorie records Hands-Free Training - Voice control for timer commands - Round voice prompts - Selectable bell sounds - Motion sound effects for a more active training feel Data and Account - Account login for cloud sync - Local backup and restore - Plus upgrade for extra tools such as ad removal, backup/restore, more themes, custom categories and record sharing Languages RoundFlow supports English, Chinese, Japanese and Korean. RoundFlow is built for fighters, athletes and fitness users who want a clean round timer, useful training records and a simple way to track punch power.

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

RoundFlow4 screens
Rounder4 screens

Verdict

The call

The clearest difference is update cadence: RoundFlow at every 5 days against Rounder's every 2 weeks. Rounder's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases 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. RoundFlow sells 1 one-off in-app purchase 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

RoundFlow ships an update every 5 days, Rounder every 2 weeks. The most recent releases landed on June 21, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 8 level
RoundFlow versus Rounder: the parameters behind the verdict, then further details
ParameterRoundFlowRounder
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.513.0 — better
Further details — not scored
Size87 MB44 MB
Age rating4+4+
Developergenghong XieDmytro Alandariev

In-app purchases

1 purchases

RoundFlow

One-time1
  • Upgrade plus$5.99
3 purchases

Rounder

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

Questions

Is RoundFlow free?
RoundFlow is free to download, with in-app purchases available.
Is Rounder free?
Rounder is free to download, with in-app purchases available.
Do RoundFlow or Rounder have ads?
Neither RoundFlow nor Rounder shows ads.
Which is updated more often, RoundFlow or Rounder?
RoundFlow ships an update every 5 days, and Rounder every 2 weeks. Most recently, RoundFlow was updated on June 21, 2026 and Rounder on September 16, 2026.

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