SingleBell: Kettlebell Workout
Home Strength Training & Timer
Only for iPhone
$9.99 · Designed for iPhone. Not verified for macOS.
iPhone
One kettlebell. A clock to time you. A chalkboard that says what a set is. Not for beginners: it reminds, it doesn't teach. Learn the lifts, then come back. Do ABC, Q&D
One kettlebell. A clock you can read from the floor. A chalkboard that says what a set is.
SingleBell is a practice app for people who train with a single bell and would rather not think about their phone once the set starts. It reminds, it doesn't teach: learn the lifts, then come back.
TODAY'S PRACTICE
One card, dealt fresh each morning: a warm-up, a kettlebell complex around the day's lift, a bodyweight finisher. Clean & press, one-arm swings, the snatch — the lift you have practised least recently leads. Run it at your own pace, striking each set as you finish it, or timed, on the clock. Short or Standard. Tap Light, Right or Heavy when you finish and the next practice led by that lift adds or drops a set. The day is dealt once and holds until midnight; the week beside the date shows what it has had, and a tap opens the practice calendar.
KETTLEBELL CLASSICS
Six protocols people already run, at the top of Today, each adjustable before you start: Swings & Get-Ups; Swings and Power Push-Ups; Hand-to-Hand Swings; Clean & Press and Squats; Swings, Squats & Push-Ups; Clean & Press Ladder. Every card opens a chalkboard first — the practice written on slate, each move beside its picture, its timing stated, a warm-up first if you want it. Nothing starts by accident.
MAKE YOUR OWN
The Builder: blocks of moves in the order you chalk them, each run at your own pace, on one clock for the whole block (Tabata, EMOM, AMRAP), or with each move on its own clock as stations — and the same practice runs at your own pace or timed. The Intervals Timer: work and rest in rounds, rounds in sets, read back to you in one sentence. Short mobility sessions for the days in between. Save what is worth repeating.
EVERY MOVE, DRAWN
Every move has its own figure and a sheet one tap away: four cues, the mistakes to watch for, and how the board counts it.
A ROOM YOU CAN READ FROM THE FLOOR
Huge digits. The whole room changes colour with the phase — green for work, blue for rest — so you know where you are with the text blurred out. Beeps that cut through music and keep playing when the screen locks, a voice that names each block if you want it, a clock that survives a phone call or the app being closed. Turn the phone on its side and the room turns with it. The finish happens where the practice was: put the bell down, say how it felt — and if a stray tap finished it, Undo is right there.
THE PRACTICE OFF THE SCREEN
The running practice is on your Lock Screen and in the Dynamic Island, with Pause and the room's own next step. Pair an Apple Watch and the same card is in your Smart Stack, with nothing to install on the watch. Two home-screen widgets show today's practice and the week. Say "Start today's practice in SingleBell" or "Start swings and get-ups in SingleBell" to Siri, or put either on the Action Button. Mirror the phone to a TV and the clock gets a room drawn for that screen.
NOTHING LEAVES THE PHONE
No account. No sign-in. No analytics. No network code at all — the app cannot send anything anywhere. It remembers your settings, the practices you save, every practice you finish and the days you practised, all on your phone, all gone with the app.
Requires iOS 18. The Smart Stack card needs a paired Apple Watch on watchOS 11.
Train within your ability, and stop if a rep feels wrong.
Ratings & Reviews
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Today is the whole app now. The tab bar is gone: build a session from the Build your Kettlebell Session card, open the Library from the bookmark beside Kettlebell Classics, and raise Search from the round button at the foot of Today.
The day's card
• It is dealt once each morning and holds all day, on Today, the widget and Siri.
• Light or Heavy moves the next day led by that lift a set either way. At six sets on Light the reps step up, and "a heavier bell?" is asked once, not every day.
• After ten days or more away, the next three practices are capped at four sets.
• At most one jump in the last block, and none after lunges.
• A finished swing Classic tells the day which lift you trained, and opens Snatch Day and Clean & Press Day.
• Switched to Timed, the day stays Timed until midnight, and rests a minute between sets, as the board does.
Other improvements and bug fixes
The developer, Abhishek Bhattacharjee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Abhishek Bhattacharjee
- Size
- 14.2 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Contains
Health or Wellness Topics
- Copyright
- © 2026 Abhishek Bhattacharjee
