Health And Fitness
Roundbell: interval timer for Tabata & EMOM
Tabata, EMOM & Boxing Rounds
| Platform | iPhone (iOS 17+) |
|---|---|
| Price | Free, no subscription |
| Account required | No |
| Works offline | Yes |
| Subscription | None |
| Last updated | 2026-08-18 |
Free · all features included ·By All Things AI, Inc ·Released 2026-08-18
Accessibility: Larger Text · Haptics · Spoken cues · Browser version How we checked →
Use Roundbell in your browser — no install. Sign in and it works right here. Everything stays in your browser; nothing is sent to our servers.Free. All features included.
No subscription, no in-app purchases, no paid tiers. Everything you see works the moment you install it.
About this app
What Roundbell does
Roundbell is the interval timer you can read from across the gym — and it's completely free. No ads, no account, no subscription, no "Pro" upsell.
Features
Built to be useful, not noisy.
Quick start
Work/Rest/Rounds steppers → Start
Presets
Tabata, HIIT 40/20, EMOM, Boxing rounds, Circuit, AMRAP, Run/walk, Stretch
Custom timers
Any number of named, coloured intervals; rounds; round-rest; get-ready; cool-down
Player
Full-screen colour per interval, huge countdown, next-up, round counter, skip/back, pause
Cues
Bell, 3-2-1 beeps, voice announcements, haptics, halfway cue
History
Streak, weekly minutes, log of workouts
Why it exists
The problem
The best interval timers are paid ($7.99 Seconds Pro) or free-with-ads that upsell a subscription; most free ones are unreliable in the background or nag between rounds.
What's different
How Roundbell stands out
Roundbell is a completely free, full-screen interval timer: colour-per-interval screens legible from across the gym, bell + 3-2-1 beeps + voice + haptics, 8 presets and unlimited custom circuits, background-safe timing, history and streaks, and an opt-in daily motivation. No ads, no account, no subscription.
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FAQ
Questions about Roundbell
How much does Roundbell cost?▾
Roundbell is free. All features are included from day one — no subscription, no in-app purchases, no paid tiers. Everything you see in this listing works the moment you install it.
Where does Roundbell store my data?▾
On your device. Roundbell is built privacy-first: no account is required, no analytics SDKs, no third-party trackers. Nothing is uploaded to a server we control — the app works without one.
What platforms does Roundbell support?▾
iOS, on iPhone and iPad. You can find the latest availability on this page.
How do I get support for Roundbell?▾
Use the Support link on this page, or email support@allthingsn.com. We answer every message and keep responses on the same thread.
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Best offline fitness tracker apps, 2026
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