How I learned to stop worrying and love the bomb

Posted Posted in Development

Recently, Brandon Williams posted Algebraic Structure and Protocols, a great article describing and building semigroups, monoids and groups using Swift protocols. It’s an interesting article and I encourage you to read it (and his other articles). In fact, I’ll wait while you do… As with most such articles there are some simple examples, however I find the leap from ok, I see what that […]

Gas Manager

Posted Posted in Development, Diving

I’ve finally released my new gas management program for iPhone & iPod touch. Gas Manager helps you choose and blend custom gas mixes for diving. It includes partial pressure blending (with fudge factors), top off and best mix, as well as MOD, END and EAD calculations. Check it out!

Safeguard with crashcard

Posted Posted in Development

Finally, crashcard is available in the App Store. Unfortunately, car accidents do happen. CRASHCARD guides you through the collection of important information during these stressful times, granting peace of mind and simplifying insurance claims.

Air Depth Crash Bug

Posted Posted in Development

UPDATE: Air Depth is no longer available. Check out Gas Manager on the App Store. UPDATE: Air Depth 1.3.1 is available. No more crashing on iOS3.x. Thanks for your patience. Version 1.3 of Air Depth contained a crash bug related to an iOS4 framework. I’ve already submitted 1.3.1 to fix the issue. 1.3 was approved in 12 hours, so I hope 1.3.1 is approved […]

On App Store Pricing and Developer Payments

Posted 1 CommentPosted in Development

UPDATE: A reply from Apple I had a rather long and messy discussion with Garret Murray on twitter today, after he expressed some concerns regarding apparent discrepancies in App Store developer payments. I think the confusion can be put down to two issues: Apple is less than transparent There is a minor misunderstanding with regard to sales taxes On Transparency The only official word […]

Busy Bee

Posted Posted in Development

Things are busy here at the moment. Firstly, I have a new scuba diving app in progress for iPhone OS. With the back end work done and wrapped in a nice set of unit tests, I’m finishing off the interface, which requires a lot more thought than either Air Depth or Depth Gauge. Secondly, I’m working on a large rails app for a friend’s […]

Depth Gauge Now With More Air Depth

Posted Posted in Development, Diving

UPDATE: Air Depth and Depth Gauge are no longer available. Check out Gas Manager on the App Store. I’ve submitted a new version of Depth Gauge to the App Store. Other than being recompiled for OS 2.x backward compatibility, this update brings an enhanced version of Air Depth EAD calculator. The Depth slider’s range is now tied to the MOD of the gas. Version […]