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AppsTutorial / how-toMeditation & mental-health apps15s · 9:16Best on Kling 4.0

Box breathing, but your phone does the counting

A student on the library steps teaches box breathing in fifteen seconds: thumb on the screen, the app buzzes four counts in, hold, out, hold, so you never have to count.

Example product
Hum — A breathing app that guides you with gentle vibrations, so it works with the screen off in your pocket
Audience
Students and young professionals before exams, interviews or presentations
Creator
Engineering student in exam season, early 20s

Variables — swap these for your product

{{APP_NAME}} = Hum{{OFFER}} = free for students

01 · hook

Phone buzz in palm

0–3s

“Box breathing, but your phone counts.”

Subject: Man, 23, Vietnamese, light tan skin, black hair in a messy middle part, thin wire-rim glasses, oversized cream hoodie with no logo, black backpack on one shoulder, a pencil tucked behind his ear.
Setting: Stone steps outside a university library in the late morning, bright overcast daylight, students blurred in the background.
Vertical 9:16 extreme close-up handheld insert: an iPhone lying in an open palm, light tan skin, cream hoodie cuff, the phone visibly buzzing in a slow rhythm. Cut wider: a 23-year-old Vietnamese man with a messy middle part, thin wire-rim glasses, oversized cream hoodie, black backpack on one shoulder and a pencil behind his ear sits on stone university library steps in late morning. He looks up at the lens and says: "Box breathing, but your phone counts." Bright overcast daylight, students blurred behind, realistic hand and phone motion, natural skin texture, shot on iPhone, vertical 9:16.
[Creator: Engineering student in exam season, early 20s, natural and conversational]: "Box breathing, but your phone counts."
duration
5 s (trim to 3 s)
aspect ratio
9:16
mode
Pro / 1080p
cfg scale
0.5
negative prompt
subtitles, captions, on-screen text, watermark, logo, distorted hands, extra fingers, warped phone screen, morphing face, plastic skin, studio lighting
elements
creator, setting
native audio
on (voice reference optional)

Shot list

  1. 0.0–1.5sECU, palm. Phone buzzing rhythmically in his palm
  2. 1.5–3.0sMCU. Looks up, line

On-screen text (overlay in edit)

box breathing, but your phone does the counting

Audio

Rhythmic soft buzz, campus ambience

References

02 · demo

Thumb on, four buzzes

3–8s

1 shot, 3 model prompts, settings and captions in the full library.

Unlock

03 · proof

Before exams

8–12s

1 shot, 3 model prompts, settings and captions in the full library.

Unlock

04 · cta

Pocket-sized

12–15s

1 shot, 3 model prompts, settings and captions in the full library.

Unlock

Launch offerLaunch pricing ends Sunday

The hook is free. The rest is in the Apps & SaaS edition.

Unlock this chain + 119 more.

Demo, proof and CTA prompts in three model dialects, settings, shot lists, captions and reference-image guidance — for every chain in the edition, plus 30 sample ads.

One-time, no subscription · 7-day refund before first download · personal & client use

Why it works

A buzzing phone in a palm is an odd, tactile image that stops the scroll, and box breathing is a technique people have heard of but find fiddly to count. The app removes the one annoying part, and the proof is a visible behaviour (still hands), not a health claim.

Hook variants to A/B test

  • “The breathing trick you can do with your eyes open in an exam hall.”
  • “Can't count and breathe at the same time? Same.”
  • “Four buzzes. That's the whole technique.”

Reference images

  • creator

    Creator in oversized cream hoodie, wire-rim glasses, pencil behind ear, overcast daylight; plus hands close-up

  • setting

    Stone university library steps, late morning, overcast, blurred students

  • screen

    Square box-breathing screen with four labelled sides and pulse, 9:16

  • endcard

    App icon, name and store badges

Creator look (paste into your image model)

Man, 23, Vietnamese, light tan skin, black hair in a messy middle part, thin wire-rim glasses, oversized cream hoodie with no logo, black backpack on one shoulder, a pencil tucked behind his ear. Stone steps outside a university library in the late morning, bright overcast daylight, students blurred in the background.

Model notes, last verified 2026-10-16: Provisional: written to Kling 3.0 conventions (3.0-compatible) until 4.0 publishes its own. 3, 5 or 10 s only; audio always on; add captions in post.

Launch pricing ends Sunday

Unlock Apps edition — $19 $49