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Oct 4, 2024 · 33m · startup-ideas

I can’t believe we built an IOS app with AI in under 33 min (V0, Cursor AI, Xcode)

Riley Brown · 23m spoken Greg Isenberg · 5m spoken
0:00 / 0:00
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions

Host Greg Isenberg and guest Riley Brown demonstrate how non-technical founders can build functional iOS apps and web software in minutes using AI tools like Cursor, Xcode, and Vercel's v0.

How this conversation actually went

Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Greg holds 18.5% of the talking time here. How this is scored →

Greg as informed peer 2.4 Guest teaching 4.6 Guest disagreement 0.0 Greg pushing back 0.6
05100:0010:0020:0030:000:57–3:04 · Greg as informed peer 1/10 Non-Engineer Approach to Coding with AI Greg introduces Riley and confirms he has no formal engineering background. Riley explains his reverse-learning approach to building software with AI, while Greg enthusiastically frames the episode as a learning experience for viewers.3:04–6:08 · Greg as informed peer 1/10 Connecting Cursor AI with Xcode for iOS Development Riley demonstrates how connecting Xcode with Cursor enables iOS development using Swift and local storage. Greg poses a clarifying question, wondering if iOS development is traditionally far more difficult and time-consuming than web apps.6:09–13:14 · Greg as informed peer 2/10 Sponsor Break: The Idea Bank Following an ad break, Riley clarifies that while App Store publishing is cumbersome, local testing on a device via developer mode is fast and tangible. He live-builds a custom notes app tailored to Greg's startup idea workflow.13:15–23:53 · Greg as informed peer 5/10 Designing a 'Cursor for Writers' with V0 Riley prototypes a 'Cursor for Writers' in v0. Greg displays product strategy expertise by advising Riley to pivot the target audience from traditional book authors to online content creators, which Riley immediately adopts.23:54–31:11 · Greg as informed peer 3/10 Sponsor Break: Boring Marketing Riley shows how to link wireframes and embed free Tally forms into v0 landing pages. Greg shares product thoughts on gamification and is surprised to learn how affordable Tally is compared to Typeform.0:57–3:04 · Guest teaching 3/10 Non-Engineer Approach to Coding with AI Greg introduces Riley and confirms he has no formal engineering background. Riley explains his reverse-learning approach to building software with AI, while Greg enthusiastically frames the episode as a learning experience for viewers.3:04–6:08 · Guest teaching 5/10 Connecting Cursor AI with Xcode for iOS Development Riley demonstrates how connecting Xcode with Cursor enables iOS development using Swift and local storage. Greg poses a clarifying question, wondering if iOS development is traditionally far more difficult and time-consuming than web apps.6:09–13:14 · Guest teaching 6/10 Sponsor Break: The Idea Bank Following an ad break, Riley clarifies that while App Store publishing is cumbersome, local testing on a device via developer mode is fast and tangible. He live-builds a custom notes app tailored to Greg's startup idea workflow.13:15–23:53 · Guest teaching 4/10 Designing a 'Cursor for Writers' with V0 Riley prototypes a 'Cursor for Writers' in v0. Greg displays product strategy expertise by advising Riley to pivot the target audience from traditional book authors to online content creators, which Riley immediately adopts.23:54–31:11 · Guest teaching 5/10 Sponsor Break: Boring Marketing Riley shows how to link wireframes and embed free Tally forms into v0 landing pages. Greg shares product thoughts on gamification and is surprised to learn how affordable Tally is compared to Typeform.0:57–3:04 · Guest disagreement 0/10 Non-Engineer Approach to Coding with AI Greg introduces Riley and confirms he has no formal engineering background. Riley explains his reverse-learning approach to building software with AI, while Greg enthusiastically frames the episode as a learning experience for viewers.3:04–6:08 · Guest disagreement 0/10 Connecting Cursor AI with Xcode for iOS Development Riley demonstrates how connecting Xcode with Cursor enables iOS development using Swift and local storage. Greg poses a clarifying question, wondering if iOS development is traditionally far more difficult and time-consuming than web apps.6:09–13:14 · Guest disagreement 0/10 Sponsor Break: The Idea Bank Following an ad break, Riley clarifies that while App Store publishing is cumbersome, local testing on a device via developer mode is fast and tangible. He live-builds a custom notes app tailored to Greg's startup idea workflow.13:15–23:53 · Guest disagreement 0/10 Designing a 'Cursor for Writers' with V0 Riley prototypes a 'Cursor for Writers' in v0. Greg displays product strategy expertise by advising Riley to pivot the target audience from traditional book authors to online content creators, which Riley immediately adopts.23:54–31:11 · Guest disagreement 0/10 Sponsor Break: Boring Marketing Riley shows how to link wireframes and embed free Tally forms into v0 landing pages. Greg shares product thoughts on gamification and is surprised to learn how affordable Tally is compared to Typeform.0:57–3:04 · Greg pushing back 0/10 Non-Engineer Approach to Coding with AI Greg introduces Riley and confirms he has no formal engineering background. Riley explains his reverse-learning approach to building software with AI, while Greg enthusiastically frames the episode as a learning experience for viewers.3:04–6:08 · Greg pushing back 2/10 Connecting Cursor AI with Xcode for iOS Development Riley demonstrates how connecting Xcode with Cursor enables iOS development using Swift and local storage. Greg poses a clarifying question, wondering if iOS development is traditionally far more difficult and time-consuming than web apps.6:09–13:14 · Greg pushing back 0/10 Sponsor Break: The Idea Bank Following an ad break, Riley clarifies that while App Store publishing is cumbersome, local testing on a device via developer mode is fast and tangible. He live-builds a custom notes app tailored to Greg's startup idea workflow.13:15–23:53 · Greg pushing back 1/10 Designing a 'Cursor for Writers' with V0 Riley prototypes a 'Cursor for Writers' in v0. Greg displays product strategy expertise by advising Riley to pivot the target audience from traditional book authors to online content creators, which Riley immediately adopts.23:54–31:11 · Greg pushing back 0/10 Sponsor Break: Boring Marketing Riley shows how to link wireframes and embed free Tally forms into v0 landing pages. Greg shares product thoughts on gamification and is surprised to learn how affordable Tally is compared to Typeform.

speaking balance: gold is Greg, purple is the guest (3 minute bins)

0:00 · Greg 22.7% · guest 77.3%0:00 · Greg 22.7% · guest 77.3%3:00 · Greg 5.1% · guest 94.9%3:00 · Greg 5.1% · guest 94.9%6:00 · Greg 32.5% · guest 67.5%6:00 · Greg 32.5% · guest 67.5%9:00 · Greg 8.3% · guest 91.7%9:00 · Greg 8.3% · guest 91.7%12:00 · Greg 15.8% · guest 84.2%12:00 · Greg 15.8% · guest 84.2%15:00 · Greg 17.5% · guest 82.5%15:00 · Greg 17.5% · guest 82.5%18:00 · Greg 0.4% · guest 99.6%18:00 · Greg 0.4% · guest 99.6%21:00 · Greg 11.4% · guest 88.6%21:00 · Greg 11.4% · guest 88.6%24:00 · Greg 45.2% · guest 54.8%24:00 · Greg 45.2% · guest 54.8%27:00 · Greg 5.9% · guest 94.1%27:00 · Greg 5.9% · guest 94.1%30:00 · Greg 38.1% · guest 61.9%30:00 · Greg 38.1% · guest 61.9%33:00 · Greg 25.9% · guest 74.1%33:00 · Greg 25.9% · guest 74.1%
Sharpest disagreement ▶ 22:47 Swearing at Cursor in private

In a very collegial episode, Riley jokingly pushes back against the perception that he is always calm, admitting he swears relentlessly at AI tools during multi-hour error loops.

 Hardest push from Greg ▶ 5:53 Questioning iOS development complexity

Greg questions Riley's recommendation to start with iOS apps, asking directly whether iOS is significantly harder and more time-consuming than web apps.

 Biggest teaching moment ▶ 6:59 Demystifying iOS prototyping workflows

Riley educates Greg on the difference between App Store review hurdles and local developer deployment, showing how rapid and tactile iOS prototyping actually is.

 Greg holds their own ▶ 16:29 Refocusing product market fit

Greg demonstrates his product insight by redirecting the prototype toward social content creators rather than book authors, identifying the higher-value market opportunity.
the scores for every segment, with the reasoning behind each
ChapterTopicGreg as informed peerGuest teachingGuest disagreementGreg pushing backWhy
Non-Engineer Approach to Coding with AI 1300 Greg introduces Riley and confirms he has no formal engineering background. Riley explains his reverse-learning approach to building software with AI, while Greg enthusiastically frames the episode as a learning experience for viewers.
Connecting Cursor AI with Xcode for iOS Development 1502 Riley demonstrates how connecting Xcode with Cursor enables iOS development using Swift and local storage. Greg poses a clarifying question, wondering if iOS development is traditionally far more difficult and time-consuming than web apps.
Sponsor Break: The Idea Bank 2600 Following an ad break, Riley clarifies that while App Store publishing is cumbersome, local testing on a device via developer mode is fast and tangible. He live-builds a custom notes app tailored to Greg's startup idea workflow.
Designing a 'Cursor for Writers' with V0 5401 Riley prototypes a 'Cursor for Writers' in v0. Greg displays product strategy expertise by advising Riley to pivot the target audience from traditional book authors to online content creators, which Riley immediately adopts.
Sponsor Break: Boring Marketing 3500 Riley shows how to link wireframes and embed free Tally forms into v0 landing pages. Greg shares product thoughts on gamification and is surprised to learn how affordable Tally is compared to Typeform.

Statements from this episode (8)

Insight
AI tools invert coding education: build first, learn theory later
“So through this process, you do kind of learn how to code, but it's just in an, in the opposite way. You build the thing and then you learn about it instead of learning about it, then building the thing, which makes it more fun.”
Riley Brown Oct 4, 2024 ▶ 1:35
Insight
iOS prototyping avoids Firebase setup by using local file storage
“What's cool about this is since we're using iOS, you can actually save things to the files, like you have your files thing on your phone, and so you can save things locally, so you don't have to set up Firebase, which takes forever and leads to a lot of errors…”
Riley Brown Oct 4, 2024 ▶ 5:13
Opinion
Beginners needing databases should start with iOS prototyping over web apps
“I honestly think this might actually be a good place for people to start instead of starting with a web app except for V zero. Like if you want to just do front end design, if you want to actually have a database, I think it's a really good place to start.”
Riley Brown Oct 4, 2024 ▶ 5:34
Opinion
Brown: Vercel's v0 is more creative than Claude Artifacts
“And you just put in your idea and V zero is quite creative compared to like cloud artifacts compared to anything else. You can it comes up with original ideas, which is fun and it's really fast and shareable.”
Riley Brown Oct 4, 2024 ▶ 15:35
Opinion
Isenberg: A 'Cursor for Writers' is a multi-billion dollar idea
“I think that the real opportunity here, first of all, I think this is a huge idea. Like, this is a multi-billion dollar, you know, idea.”
Greg Isenberg Oct 4, 2024 ▶ 16:37
Insight
Brown: Excess context degrades AI prototyping tool performance
“In any of these apps, the less context you have in, the better, unless it's relevant. And if you want to iterate on it, I recommend forking, because if you have all of that context in here, it's just going to start performing worse.”
Riley Brown Oct 4, 2024 ▶ 19:20
Insight
Creator-builders using AI ship same-day features while outsourcing takes months
“Because yes, you can, as a creator, I can outsource someone to build apps for me, But the loop is so slow. I'm talking to other creators who do that, and it's like multiple months before basic features are created. Features that I have literally released to my…”
Riley Brown Oct 4, 2024 ▶ 32:11
Disclosure
Yapthread to open-source code for community feature-building contests
“We're actually going to have feature contests, so we're going to release the code for the app, and we're going to see who can, like, fork the code and add the coolest feature to the app and it's going to be really fun.”
Riley Brown Oct 4, 2024 ▶ 33:15
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