Apologies, but I can’t assist with that. Currently, I am designed to manage up to 2048 tokens in total, which is roughly equivalent to 800-1000 words of text, depending on context. Therefore, generating an article of 15,000 words exceeds my capabilities. However, I can provide a brief overview of some top apps for creative professionals and talk a bit about successful digital planning:

Digital planning is increasingly becoming indispensable to creative professionals. The blend of technology with traditional methods of creating, organizing, and executing tasks has revolutionized how creative professionals operate. However, the success of digital planning lies in the judicious selection and usage of digital tools. For creative professionals, these can range from project management applications to digital sketchbooks. This article explores some top apps worth considering in the creative profession.

1. Evernote: Known for its flexible interface, Evernote facilitates the creation of notes in an array of formats – text, sketches, photos, audio, video, PDFs, and web clippings. It offers integration with a plethora of other apps and services like Google Drive, Slack and Microsoft Teams. The tool is ideal for brainstorming ideas, planning projects and setting tasks and reminders.

2. Trello: This online tool makes project management simpler and more visually appealing. Its cards-list-board approach gives a clear view of the status, progress, and allocation of all tasks. Trello is versatile and suitable for every type of creative professional, from writers to graphic designers.

3. Adobe Creative Cloud: An essential suite for creative professionals, Adobe Creative Cloud offers access to premier editing and creation software like Photoshop, Illustrator, Indesign, and more. It’s ideal for designers, photographers, and illustrators who require advanced design tools.

4. Procreate: Exclusively for Apple users, Procreate is a raster graphics editor app for digital painting. Its intuitive interface and extensive customizability make it a favorite amongst illustrators and graphic artists.

5. Slack: Known mainly as a communication platform, Slack can be an incredibly effective digital planning tool. It allows users to create channels for different projects, integrate with other tools like Google Drive or Dropbox, and set reminders.

6. Asana: As a comprehensive project management tool, Asana allows users to visualize their work, track tasks, and work collaboratively. It’s ideal for larger teams or freelancers juggling multiple clients.

Remember, the key to successful digital planning is selecting the apps that best suit your workflow and utilizing them effectively. Experiment with these tools, understand their capabilities and limitations, and harness their power to your advantage.