WOW Hits 2008 is a two-disc compilation album comprising some of the biggest hits on Christian radio from the previous year. Disc one features more of the adult contemporary hits, while disc two features the CHR/Pop and Rock hits. On November 12, 2008, the album was certified gold in the US by the RIAA. The compilation peaked at No. 56 on the Billboard Hot 200 chart. This was the first collection in the series not to be certified at least Platinum.

WOW Hits 1 is the first and sole single-disc WOW Hits album, released on April 8, 2008. It contains sixteen songs that were popular on Christian radio at the time, and three bonus tracks. The album reached No. 4 on Billboard's Top Christian Albums chart in 2008, and No. 99 on the Billboard 200 that same year.