The recommended size for a Spotify podcast cover is 1400 x 1400 pixels, with a minimum requirement of 640 x 640 pixels. The image should be in a square format and saved as a JPEG or PNG file. It's important to ensure that your podcast cover is clear, legible, and visually appealing even at smaller sizes, as it will be displayed in various contexts such as mobile devices, playlists, and search results.

While having a logo for your podcast can enhance its branding and visual appeal, it is not an absolute requirement. Ultimately, the decision to have a logo depends on your personal preferences and goals for your podcast.
A logo can help establish a professional image, improve recognition, and convey your podcast's identity. However, if you prioritize other aspects or prefer a more minimalistic approach, you can still have a successful podcast without a logo.

Several factors contribute to making a podcast stand out from the crowd:
First, unique and engaging content that provides value or entertainment to the audience is key. High-quality production with clear audio and professional editing also makes a difference. Consistency in releasing episodes and building a loyal community further sets a podcast apart.
Additionally, a distinct and memorable host personality, effective storytelling techniques, and innovative marketing strategies can help a podcast stand out and attract listeners.

A podcast logo is typically saved and distributed in image file formats such as JPEG, PNG, or SVG. These formats ensure compatibility across various platforms and devices:
1. JPEG (Joint Photographic Experts Group) is commonly used for photographic or complex logo designs.
2. PNG (Portable Network Graphics) is preferred for logos with transparency or crisp edges.
3. SVG (Scalable Vector Graphics) is ideal for logos that require scalability without loss of quality, making them adaptable to different sizes.