4.1 — Copycats and app impersonation

Apps built to closely mimic another app's UI, icon, or name — or that impersonate a company/individual without authorization — get rejected regardless of whether the underlying code is original.

Template marketplaces are the most common cause: a generic template with a swapped icon and color scheme reads as a copy even when no code was literally copied.

The short version, in more detail

Guideline 4.1 prohibits apps that copy another app's look, icon or name, and apps that impersonate a company or person without authorisation. It applies even when the underlying code is original, because the problem is the impression created for users. Template marketplaces are the most common source, since a lightly re-skinned template can read as a copy.

Why this rule exists

Users rely on the name, icon and appearance of an app to know what they are getting. A convincing copy can lead people to enter credentials or payment details in the wrong place, or can capture search traffic that belongs to someone else. The rule protects both users and original developers, and it applies to the visible presentation of an app as much as to anything under the hood.

What this guideline covers

• Similarity to another app's interface, icon or name.
• Impersonation of a company, brand or individual.
• Look-alike apps built from the same template.
• Use of another party's trademarks in names and metadata.

What usually triggers this rejection

• A template with a swapped icon and colour scheme that resembles an existing app.
• An icon or name very close to a well-known app.
• Presenting an unofficial app as if it were official.
• Using a brand's logo or name without permission.
• A clone built to attract users of a popular app.

How reviewers evaluate it

• Reviewers compare the app with others on the Store.
• They look at names, icons and screens for likeness.
• They respond to reports from rights holders.
• They consider whether the presentation could confuse users.

Common misunderstandings

• Original code does not excuse a copied appearance.
• Small cosmetic changes do not necessarily separate an app from the one it resembles.
• Fan or unofficial apps are not exempt if they suggest an official link.

Common questions