Search for "iOS IPA Collection" or "Weather Bot IPA." Many users upload bulk libraries of decrypted apps here.
Great if you want to keep the app active without a computer, though it requires a bit more setup. Search for "iOS IPA Collection" or "Weather Bot IPA
Sites like Decrypt.day or ARMConverter often host versions that are compatible with specific OS versions (like your OS 15.0 requirement). 2. Using Sideloading Tools Search for "iOS IPA Collection" or "Weather Bot IPA