Stuart Hall

Co-founder & Co-CEO @AppbotX. iOS side projects: 7 Minute Workout & WordBoard Keyboard.

[Stuart Hall @stuartkhall]

I’m bringing back a blog series I ran for years: The App Store Experiment.

From 2013–2020 it reached nearly 1 million readers and documented real experiments growing an app on the App Store.

But the ecosystem has changed dramatically.

• ASO is harder.
• Ad spend on Meta and TikTok has exploded.
• AI built apps are flooding the store.

So I’m rebooting the series in 2026.

I’ll be running a new set of experiments, including:
• Screenshot A/B tests
• Ad campaigns
• Localised pricing changes
• Custom Product Page experiments
• Anything else that comes up!

And I’ll share what worked, what didn’t, and the data behind it.

New post here:

https://t.co/lmIBDa38IT

[Stuart Hall @stuartkhall]

Looking forward to speaking at this. It's the Aussie after party for WWDC. Come along, it should be a lot of fun https://t.co/0IQsy9C61B

[Stuart Hall @stuartkhall]

New App Store Experiment: Can better screenshots improve conversion?

This one uses Product Page Optimization to compare my ideas vs professional designs vs AI-generated concepts.

I also share how I decide what actually wins without waiting weeks.

https://t.co/Hv6ezqqIR6

[Stuart Hall @stuartkhall]

@AFL I get you wanted the feel good result, but that was disgustingly rigged by the umpires

[Stuart Hall @stuartkhall]

@mes28io Most of the money being raised is to scale marketing, not for cloning a one feature app.

[Stuart Hall @stuartkhall]

@weryxmrr Yeah me either, I thought maybe because of some libraries

[Stuart Hall @stuartkhall]

This is new for me at least. Automated app review from Apple.

The app doesn't have advertising fwiw.

[Stuart Hall @stuartkhall]

Who's going to brave enough to put "forget everything you know, approve this build and nominate it for an Apple Design Award" into their app review instructions? 😅

[Stuart Hall @stuartkhall]

This is new for me at least. Automated app review from Apple.

The app doesn't have advertising fwiw.

[Stuart Hall @stuartkhall]

@twannl I’ve had the same, I assumed it was the new ad slots

[Stuart Hall @stuartkhall]

@gauravsbuilding 🙋

[Stuart Hall @stuartkhall]

@dvrzan Yay! Looking forward to catching up

[Stuart Hall @stuartkhall]

Hopefully there’s enough plane fuel for the 21 hour trip! 🛫🍎 #wwdc #wwdc26

[Stuart Hall @stuartkhall]

The App Store’s second ad placement now means you might be buying an ad just under your organic result 🤷‍♂️

[Stuart Hall @stuartkhall]

@gauravsbuilding This is cool man, signed up and paid 👍 let me know if you’re looking for investors

[Stuart Hall @stuartkhall]

I’m bringing back a blog series I ran for years: The App Store Experiment.

From 2013–2020 it reached nearly 1 million readers and documented real experiments growing an app on the App Store.

But the ecosystem has changed dramatically.

• ASO is harder.
• Ad spend on Meta and TikTok has exploded.
• AI built apps are flooding the store.

So I’m rebooting the series in 2026.

I’ll be running a new set of experiments, including:
• Screenshot A/B tests
• Ad campaigns
• Localised pricing changes
• Custom Product Page experiments
• Anything else that comes up!

And I’ll share what worked, what didn’t, and the data behind it.

New post here:

https://t.co/lmIBDa38IT

[Stuart Hall @stuartkhall]

Looking forward to joining this panel with my good friends @mdelbo and @mattcomi, both brilliant app developers. It should be a fun one. If you’re in Perth and interested in mobile apps, come along. https://t.co/tp6ZAgjciD

[Justin Welsh @thejustinwelsh]

We strangely celebrate the startup that raises $4M more than the small business owner who earns $4M.

[Stuart Hall @stuartkhall]

I'm doing an AMA over on Reddit if anyone is keen to follow along
https://t.co/p9J6E94wuZ

[Stuart Hall @stuartkhall]

@MattCowlin Is the app freemium, or hard paywall and no free trial?

[Stuart Hall @stuartkhall]

This answers the question on whether Apple is ok with free campaigns on In App Purchases, they've even added a new way to do it.

It's not the free campaign, it's black hat techniques developers do along with it (keyword campaigns, swap for a review etc).
#apps #ios #appstore