Harpy
Harpy is an SDK that helps you notify users when a new version of your app is available and prompts them to upgrade. Harpy is now deprecated.
Its primary SDK category is Developer Tools and it's used by iOS apps.
Looking at download trends over the last month, the most popular 
iOS apps that use Harpy are:
Using this information, it appears that Harpy is Somewhat Popular among iOS app developers.
Moreover, over the last 30 days, Harpy has been…
- Installed on 93 iOS apps.
- Deleted from 25 iOS apps.
It's especially popular among iOS apps in the following genres: Medical and Magazines & Newspapers.
SDKs that are similar to Harpy:
- JSQMessagesViewController in the Developer Tools category
- Kanna in the Developer Tools category
- NumbusKit in the Developer Tools category
- Objection in the Developer Tools category
- SwiftDate in the Developer Tools category
- TITokenField in the Developer Tools category
- TSMessages in the Developer Tools category
- Android Support Library V13 in the Developer Tools category
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