AI BriefingTrial and Error in Developing Location-Based Services Using MapKit
Key point
Kakao Pay shares the SDK selection criteria and Geocoding optimization methods it encountered while developing location-based services using MapKit.
Details
Kakao Pay introduced the MapKit framework in 2024 and launched the real-time location-based services 'Fortune Radar' and 'Nearby Benefits.' During the SDK selection process, cost efficiency and Korean language support were reviewed as top priorities.
Naver Map, Kakao Map, and MapBox had a high likelihood of incurring charges when high traffic occurred, and OSM had a visual issue where Korean fonts would break. Ultimately, they chose MapKit, which has no cost burden, provides stable Korean language support, and reduces external dependencies as Apple's First Party Library.
For implementing Geocoding, which converts location information into addresses, they use CLGeocoder from the CoreLocation framework. Here, it is important to prevent Throttling errors that occur when repeated requests are sent within a short period.
To solve this, they designed the logic to perform Reverse Geocoding only when 1 minute or more has passed since the previous call, or when the user's location has moved 1km or more, thereby resolving the API call limit issue.
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