I am a longtime Todo user and just updated to the latest Todo 8 version on iOS. While the app continues to improve and become more robust, I feel the update has taken a step back in terms of the visual simplicity (and therefore ease of use) which made Todo so appealing from the first versions I installed on my iPhone 3GS.
While many UI and layout choices are a matter of personal preference, there are several universal rules that make using an app easier for the user, especially critical for a productivity app.
The task list has now become very visually cluttered making it difficult to quickly process the most important information. Some suggestions that I believe will improve the user experience: