Where an AirTag sits in a wallet dramatically affects the overall experience. Internal and external placements each have distinct advantages and trade-offs.

Internal AirTag slots hide the tracker inside the wallet body, creating a cleaner appearance. The AirTag is protected from scratches and accidental removal. Internal placement often results in a more balanced thickness distribution, especially if the wallet is designed around the tracker from the start. However, accessing the AirTag for battery replacement requires opening the wallet, which may be slightly inconvenient.

External AirTag slots place the tracker on the outside of the wallet, typically in a dedicated pocket or attachment point. This makes battery replacement quick and easy. External placement also allows users to remove the AirTag when not needed, such as during air travel or when privacy is a concern. The downside is visible bulk and potential vulnerability to damage or loss.

Thickness impact varies by design. Internal slots can create uneven profiles if not engineered carefully, while external slots add predictable thickness to one side. Well-designed internal slots distribute the AirTag's round shape more naturally, while external slots may create a noticeable bump.

Aesthetics favor internal placement for users who prefer a traditional wallet look. External placement gives the wallet a more technical, trackable appearance that some users appreciate and others find distracting.

Security considerations differ. Internal AirTags are less likely to be tampered with or removed accidentally. External AirTags are more accessible but also more exposed to potential theft or manipulation.

The best placement depends on priorities. Choose internal slots for clean aesthetics and integrated design. Choose external slots for easy access and removable tracking. Both approaches work well when executed thoughtfully.