Cover art for podcast Supertop Podcast

Supertop Podcast

43 EpisodesProduced by Pádraig Ó Cinnéide and Oisín PrendivilleWebsite

Behind the scenes at Supertop as Pádraig and Oisín reflect on their work as indie developers.

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Finale: Supertop & Friends

July 12th, 2019


In the finale of the Supertop Podcast we discuss Pádraig leaving Castro and look back over 7 years of Supertop, with a little help from our friends.

42: The Aforementioned Share Sheet of Doom

June 4th, 2019


Oisín and Pádraig discuss the new clip sharing feature in Castro, some changes to Castro Plus pricing, Panic’s Playdate console and WWDC.

Clip …

41: Top Picks

April 4th, 2019


Oisín and Pádraig discuss Top Picks, the new Castro feature that helps surface the best episodes in your inbox.

40: Spotify vs. Apple

March 22nd, 2019


We talk about additional improvements to discovery in Castro, including featured collections. We also discuss Spotify’s complaint filed with the …

39: Castro Updates & Spotify’s Podcasting Play

March 8th, 2019


We discuss improvements to search and discovery in Castro, and what Spotify’s recent acquisitions might mean for the future of indie podcast apps.

38: We Sold Castro!

December 12th, 2018


Pádraig and Oisín discuss selling a majority stake in Castro to Tiny.

  • Who are Tiny?
  • How the deal went down
  • Announcing the acquisition
  • Response from …

37: More Users or More Subscribers?

October 29th, 2018


We discuss how we can better introduce the features of Castro and improve the Castro Plus subscription pitch. To do that we need to better understand how people are using the app have better ways to measure whether …

36: CarPlay, Drag & Drop, Castro 3.1, Panoply, and Subscriber Counts

August 14th, 2018


Padraig has a new CarPlay unit to debug with. We reflect on the work we did for Drag & Drop last summer. Castro 3.1 is out with Sideloading and Chapter Preselection. We discuss a new targeted marketing platform from …

35: Castro Updates, China, and Anchor

July 27th, 2018


In this episode with discuss the just released Castro 3.0.4 and what’s coming in 3.1, as well as trying to improve Castro’s performance in China, and …

34: No Official Raccoon Subscribers (Yet)

July 13th, 2018


We discuss subscriber projections for Castro and things we’ve been doing at Supertop to keep us motivated on the road to sustainability.

Links for …

33: Launching Castro 3

June 14th, 2018


We discuss the launch of Castro 3: pre-launch drama, launch day emotions, subscription feedback, reviews, and thoughts about future updates.

  • On our …

32: Castro 3 Wrap Up

April 27th, 2018


Oisin and Padraig discuss wrapping up Castro 3 development and explain what current Castro users can expect from 3.0.


How Ulysses pulled off …

31: Subscription Antics

March 29th, 2018


We give an overview of why we feel good about moving to subscription pricing for Castro and then discuss some of the issues we’ve experienced preparing for the transition.

Phil Schiller, quoted on Macworld:

The …

30: Redesigning The Player

February 28th, 2018


Oisín and Pádraig follow up on feedback about moving Castro to a subscription business model, then discuss the work they've been doing on Castro 3.

29: Castro 3’s Business Model

January 30th, 2018


Oisín & Pádraig discuss the different options for Castro 3’s business model and the reasons behind the model they’ve chosen.

  • Castro for …

28: iPhone X Dark Mode, Castro 2.6 and App Store Pre-Orders

December 21st, 2017


Oisin’s iPhone X is stolen by Mexican police. We discuss apps using black backgrounds on the X’s OLED screen for dark modes, the launch of Castro …

27: Owning The Notch

November 28th, 2017


Oisín has an iPhone X. We discuss the new phone and how having the device in hand changed Castro’s status bar strategy.

This episode is sponsored by

26: Status Bar Strategy

October 31st, 2017


Oisín is in Canada! We discuss the latest Castro updates, the Release Notes conference, the Notch, and as we start work on Castro 3, we share some thoughts on how our process has changed since we started Castro 2 three …

25: Drag & Drop

September 25th, 2017


Padraig and Oisin discuss how drag & drop in iOS 11 simplifies workflows and makes the most of multi-touch. We dive into the design issues we …

24: We Sold Unread!

August 2nd, 2017


We sold Unread, our RSS News Reader for iPhone and iPad. We’re joined by the new owner, John Brayton of Golden Hill Software to discuss the …

23: We Sold Tokens and Top Hat!

July 27th, 2017


We sold our iTunes promo code management app, Tokens, and our sales reporting app, Top Hat. We're joined by the new owner, Denis Hennessy), who tells …

22: 50% Responsible

July 11th, 2017


Pádraig and Oisín discuss the amount of time they spend not programming and what it’s like working as a team instead of solo.

Links Mentioned

21: What’s New in Podcasting

June 27th, 2017


Oisin and Padraig discuss the podcasting and app store announcements at WWDC17.

  • Some follow up on our Unread and Tokens discussion last week.

20: What Next for Unread, Tokens and Top Hat?

June 1st, 2017


Oisin and Padraig introduce Castro 2.4 and then discuss plans for our other Supertop apps, Top Hat, Tokens and Unread. We try to figure out what …

19: The Future of Podcasting

May 12th, 2017


A year after The New York Times published an article on the growth of podcasting, we discuss the current state of the medium and what the future may …

18: A Contiguous Dumpster Fire

April 10th, 2017


We’re joined by Jared Sinclair to discuss his new app, Stormcrow, and the best way to approach hobbies and side projects. Then we discuss what’s needed from social features in podcast apps, and what the future of …

17: Tragedy Of The Commons

March 16th, 2017


Pádraig and Oisín discuss triage in Castro and other podcast apps, complain about improperly implemented HTTP caching techniques and remember a puddle in Newcastle.


Thanks to Steamclock for sponsoring the show. …

16: Woo People With Our UI Skillz

February 28th, 2017


We discuss Castro 2.3 (and what’s coming in 2.4), Overcast 3, and Iconfactory’s Kickstarter campaign for Twitterific.

  • Castro 2.3
    • Our blog post

15: Lots of Likes and Retweets

February 14th, 2017


We discuss feedback to our App Store Review Prompts blog post, ideas for improving Castro’s notifications, answer a listener question about open source, and more.

This episode is brought to you by Steamclock.

14: Does This Computer Have a Soul?

January 31st, 2017


We invite you to send in a recording of you asking a question / suggesting a topic for discussion next episode: take out your phone and use the …

13: Jimmy, Get an iPhone

January 18th, 2017


Pádraig and Oisín recount stories of their first iPhones and reflect on how indie development has changed over the past 10 years.


This …

12: Beard-forming Microphones

January 3rd, 2017


Padraig and Oisin discuss gifts, Castro’s surprisingly good performance in December, thoughts on Swift and New Year’s resolutions.


This …

11: Doom, I Guess

December 19th, 2016


We follow up on the Castro 2.2 launch and explore options for increasing Supertop’s revenue.

This episode is brought to you by Feed Hawk. Feed Hawk …

10: Catch-Up Pony

December 6th, 2016


We discuss Castro 2.2, give an update on the Doom Clock, follow up on Oisín's Search Ads blog post, and ponder what Castro 2.3 should do.

  • 00:00 …

9: Carrot and Stick (Úll 2016, Part 2)

November 24th, 2016


Pádraig and Oisín continue discussing the Úll conference and reflect on topics like making decisions and advertising in apps.

  • The Úll Conference

8: Úll 2016, Part 1

November 8th, 2016


Oisín reports to Pádraig about goings on at the Úll conference in Killarney, Ireland.

  • Úll 2017 is next April. Early bird tickets are available now.

7: Siri and Her Friends

October 25th, 2016


Padraig and Oisin discuss being offline for a weekend, apps entering maturity, Siri and what they would do if they weren’t working on Apple platforms.

6: Business Angle

October 11th, 2016


Pádraig and Oisín focus on the business side of making apps.

This episode is sponsored by The Nuisance Committee.

5: Having a Chat in Some Kind of Hell with Jared Sinclair

September 26th, 2016


Pádraig and Oisín are joined by Jared Sinclair to discuss side projects, podcast apps, the bottom pit of video game hell, and much more.

  • Past …

4: No Business Angle

September 12th, 2016


Pádraig and Oisín reflect on making apps for love and no money.

3: Sounded Like Nirvana with Brent Simmons

August 29th, 2016


Pádraig and Oisín are joined by Brent Simmons to discuss indie app development in the wake of Vesper shutting down.

2: No Promises

August 19th, 2016


Pádraig and Oisín discuss the launch of Castro 2 and try not to make any promises.

Some Castro 2 Reviews:

1: Second System

August 11th, 2016


Welcome to the first episode of the Supertop Podcast. Pádraig and Oisín prepare for the launch of Castro 2, a major update to their podcast app that …

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