RoundFlow vs Ring Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RoundFlow
This app provides a customizable interval timer for various combat sports and fitness routines. It seamlessly integrates with music apps, allowing your playlist to continue uninterrupted during workouts. Features include coach voice prompts, combo calls, and workout tracking.
- Music integration with Spotify, Apple Music, YouTube Music
- Customizable round, rest, and warm-up/cool-down timers
- Recorded coach voice and combo callouts
- Workout tracking with calendar and streaks
- Apple Watch companion app with haptic feedback
- Workout art generation for social sharing
- Group session synchronization
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RoundFlow is the round timer you can pay for once and keep forever, and it doesn't kill your music. It keeps timing with the screen locked, ducks your music for the bell, then hands the volume straight back. Start Spotify, Apple Music or YouTube Music, hit START, lock the phone and train. Your playlist never stops. A COACH IN YOUR CORNER • A real recorded coach voice calls your rounds, rests and the final "3-2-1" • Combo calls shout live combinations — "Jab, cross, hook!" • Bell, coach voice and haptics — or switch to a built-in system voice BUILT FOR EVERY ROUND • Boxing, Muay Thai, MMA, kickboxing, taekwondo, karate, CrossFit, HIIT, Tabata, sprints & running • Two custom profiles free, unlimited with Pro: rounds, round time, rest, warm-up, cool-down and warning • A big, glanceable timer ring you can read from across the gym RUN & SPRINT • Roadwork — a GPS run tracker built for fighters: distance, pace, kilometre splits and a goal for the session • Sprints — interval sprint sessions with the same bell, coach voice and rest countdown as your rounds • Every run lands in the same training log as your rounds MADE TO SHARE • Workout DNA — every session draws a one-of-a-kind piece of art from your training, ready for Instagram Stories • Your RoundFlow Year — a Wrapped-style recap of everything you've put in • Challenge a friend — send any workout as a link, then compare your scores TRAIN TOGETHER • Group sessions in perfect sync — everyone hears the bell at the same moment • Present mode — mirror the timer to a TV or projector for the whole class TRAIN WITHOUT LOOKING • Live Activity & Dynamic Island keep the round live on your Lock Screen • Apple Watch companion — a haptic on every bell, plus live heart rate, punch count and Effort Score. Leave the phone in your bag • Runs in the background with the screen off TRACK YOUR WORK • An automatic training log of every session, with a calendar and streaks • Stats: total workouts, time on the mat, weekly activity and trends • Earn belts and badges as you put in the rounds RoundFlow Pro unlocks unlimited profiles, the recorded coach voice and combo calls, the full Apple Watch experience (heart rate, punch tracking and Effort Score), group hosting, and complete stats and trends. Try Pro free for 7 days, or unlock everything forever with a one-time Lifetime purchase. The only timer that lets your music play. Ring the bell. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zakin02.github.io/roundflow/privacy.html
Ring Timer
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Ring Timer is a round timer for boxing, MMA, kickboxing and any training that runs on rounds and rest. Set it once and put the phone down. The bell rings, the last five seconds tick, and the round number is called out, all with the screen locked and the phone in your bag. ROUNDS THAT SOUND RIGHT • A real bell to open and close every round • Countdown ticks over the last five seconds, so you feel the round ending • Optional spoken round numbers, so you never have to look • Everything is independently switchable — bell only, ticks only, silent BUILT FOR TRAINING, NOT FOR STARING AT • Runs with the screen off and the app in the background • A Lock Screen widget shows the round you're on without unlocking • Big, high-contrast digits that read across a gym YOUR ROUNDS, YOUR WAY • Five ready-made profiles: Classic Boxing, Amateur Boxing, MMA, Muay Thai and Kick Boxing • Or build your own, rounds, round length, rest length, warm-up and end warnings • Rename, duplicate and delete profiles freely ON YOUR WRIST • A full Apple Watch app, not a remote • Start, pause and stop from the watch, with or without your phone nearby • A tap on the wrist at every round boundary SYNCED, PRIVATELY • Your profiles and settings follow you to every device via your own iCloud account • Nothing is collected, nothing is tracked, no account to create • Ring Timer has no server, your data goes to your iCloud, not to us NO SUBSCRIPTION Ring Timer is free, complete, and stays that way. There is a tip jar for anyone who wants to support it, which unlocks a badge and a few alternate app icons. It unlocks nothing else, every timing feature is free for everyone, forever.
Screenshots
Verdict
RoundFlow and Ring Timer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RoundFlow sells 3 in-app purchases, starting at $2.99 per month and Ring Timer sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
RoundFlow ships an update weekly, Ring Timer every 5 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | RoundFlow | Ring Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 11 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Zakaria Elkassmi | Bytegix, s.r.o. |
In-app purchases
RoundFlow
- RoundFlow Pro (Monthly)$2.991 Month
- RoundFlow Pro (Yearly)$7.991 Year
- RoundFlow Pro (Lifetime)$24.99
Ring Timer
- Cornerman$0.99
- Sparring Partner$1.99
- Coach$4.99
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- Champion$9.99









