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hookchain
AppsFounder storyBudgeting & finance apps30s · 9:16Best on Kling 4.0

My dad ran his shop out of a shoebox

A founder tips his father's old receipt shoebox across the desk, explains he built a phone version of it, scans a receipt into a sorted expense, and admits his dad still prefers the box.

Example product
Stubwise — Receipt scanning and expense tracking for sole traders and freelancers
Audience
Tradespeople and freelancers who do their own books
Creator
Founder, mid 40s, son of a shopkeeper

Variables — swap these for your product

{{APP_NAME}} = Stubwise{{USER_COUNT}} = 18,000{{OFFER}} = First month free

01 · hook

The shoebox

0–3s

“My dad ran his shop out of this box.”

Subject: Man, 44, Indian-American, warm brown skin, salt-and-pepper beard, short black hair greying at the temples, red-and-black flannel shirt over a grey tee, steel watch.
Setting: Converted garage office in the afternoon: wooden desk, battered cardboard shoebox, laptop, shelves of binders, side-window daylight.
Vertical 9:16 close-up on his hands, tilting up to his face. A 44-year-old Indian-American man with warm brown skin, a salt-and-pepper beard and short hair greying at the temples, wearing a red-and-black flannel shirt over a grey tee, at a wooden desk in a converted garage office, shelves of binders behind him. His hands lift the lid off a battered cardboard shoebox and tip it, spilling faded paper receipts across the desk. Camera tilts up as he looks into the lens. Afternoon daylight from a side window, natural skin texture, handheld, shot on iPhone, unpolished documentary feel.
[Creator: Founder, mid 40s, son of a shopkeeper, natural and conversational]: "My dad ran his shop out of this box."
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. 0.0–1.8sCU, hands. Tips receipts across the desk
  2. 1.8–3.0sMCU. Looks into the lens

On-screen text (overlay in edit)

My dad's entire accounting system 👇

Audio

Paper cascade SFX, quiet room tone

References

02 · demo

Snap, sorted, done

3–12s

2 shots, 3 model prompts, settings and captions in the full library.

Unlock

03 · proof

Dad still prefers the box

12–21s

2 shots, 3 model prompts, settings and captions in the full library.

Unlock

04 · cta

Keep the box

21–30s

2 shots, 3 model prompts, settings and captions in the full library.

Unlock

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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.

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Why it works

The shoebox is a physical, emotional symbol of the problem, so the founder story starts with an object instead of a pitch. The scan demo is fast and tactile, and the self-deprecating line about his dad makes the user number feel modest rather than boastful.

Hook variants to A/B test

  • “This shoebox was my dad's accounting software.”
  • “Every small business has a box like this.”
  • “I built an app because of one shoebox.”

Reference images

  • creator

    Shoulders-up photo of the creator in the exact wardrobe: Man, 44, Indian-American, warm brown skin, salt-and-pepper beard, short black hair greying at the temples, red-and-black flannel shirt over a grey tee, steel watch. Neutral expression, even light.

  • setting

    Garage office with wooden desk, battered cardboard shoebox, laptop and binder shelves, afternoon side light

  • screen

    Camera framing a receipt, the auto-filled expense card (merchant, date, amount, category), and a monthly summary with export, as 9:16 PNGs

  • endcard

    App icon, name, store badges and offer line on a plain background

Creator look (paste into your image model)

Man, 44, Indian-American, warm brown skin, salt-and-pepper beard, short black hair greying at the temples, red-and-black flannel shirt over a grey tee, steel watch. Converted garage office in the afternoon: wooden desk, battered cardboard shoebox, laptop, shelves of binders, side-window daylight.

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

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