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hookchain
AppsTutorial / how-toStudy & education apps15s · 9:16Best on Seedance 2.5

Turn a 90-minute lecture into a 10-minute review

A part-time MBA student shows his three-step evening routine: drop in the lecture recording, skim the summary, take the ten-minute quiz, all before his dinner gets cold.

Example product
Notefold — A study app that turns long lecture recordings into summaries and short quizzes
Audience
Part-time and evening students who study after work
Creator
Part-time MBA student with a day job, late 20s

Variables — swap these for your product

{{APP_NAME}} = Notefold{{LECTURE_LENGTH}} = ninety minutes{{OFFER}} = free for a month

01 · hook

Ninety into ten

0–3s

“{{LECTURE_LENGTH}} of lecture. Ten minutes of review.”

Ninety into ten. Vertical 9:16 UGC clip, 3 seconds, one continuous handheld take unless timecodes say cut.
References: @Image1 = creator reference; @Image2 = app screen reference; @Image3 = setting reference. Keep the person, wardrobe and room identical to the references.
0–2s: ECU, laptop. Long lecture progress bar.
2–3s: MCU. He nods at it with chopsticks in hand.
Vertical 9:16 multi-shot sequence. Shot 1: extreme close-up of a laptop screen showing a lecture video with a long progress bar. Shot 2: quick cut to a 29-year-old Black man with a short twist-out, a neat beard, a light-blue oxford shirt with the top button undone, sleeves rolled, and a smartwatch standing at a small apartment kitchen at 8 pm after work, a laptop open on the counter beside a takeaway container, warm under-cabinet light, holding chopsticks over a takeaway container, nodding at the laptop. Snappy hard cut, handheld, warm under-cabinet light, natural skin texture, shot on iPhone, vertical 9:16 UGC.
Dialogue (Part-time MBA student with a day job, late 20s): "{{LECTURE_LENGTH}} of lecture. Ten minutes of review."
No subtitles. No on-screen text. No logos. Natural voice, no background music.
duration
4 s
aspect ratio
9:16
resolution
1080p (720p where the API caps it)
generate audio
true
references
@Image1: creator, @Image2: screen, @Image3: setting
first frame
creator reference

Shot list

  1. 0.0–1.5sECU, laptop. Long lecture progress bar
  2. 1.5–3.0sMCU. He nods at it with chopsticks in hand

On-screen text (overlay in edit)

90-min lecture → 10-min review

Audio

Quick whoosh between shots

02 · demo

Steps one and two

3–8s

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

Unlock

03 · proof

Step three: the quiz

8–12s

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

Unlock

04 · cta

Laptop closed

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.

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Why it works

The hook promises a ratio (90 into 10), which is concrete and easy to remember. Three numbered steps make the tutorial feel saveable, and the takeaway dinner grounds it in a real after-work evening. The CTA sells time back, which is what part-time students want most.

Hook variants to A/B test

  • “Working full-time and studying? Steal this routine.”
  • “I don't rewatch lectures anymore. Here's why.”
  • “Ten minutes, three steps, every lecture.”

Reference images

  • creator

    Waist-up photo of the creator in the light-blue oxford shirt with rolled sleeves, warm kitchen light

  • setting

    Small apartment kitchen counter with laptop and takeaway container, under-cabinet light

  • screen

    Your app's upload screen, generated summary and quiz, as 9:16 crops of the laptop UI

  • endcard

    App icon, app name, offer line and store badges (or URL) on a plain background

Creator look (paste into your image model)

Man, 29, Black, short twist-out, neat beard, light-blue oxford shirt with top button undone and sleeves rolled, smartwatch. Small apartment kitchen at 8 pm, laptop on the counter beside a takeaway container, warm under-cabinet light.

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