Plants vs. Zombies 2 joins the top free iPhone apps list this week at No. 1, according to research from AppData. The sequel to the popular zombie iPhone game challenges players to amass plants in order to fight zombies.

Below, we’ve listed the top free iPhone apps of the week. The list links to Inside Network’s research about the individual apps, including historical charts, developer information and download information.

To support Mediabistro’s Media App Summit, we spotlight the top free apps every week–helping our readers discover, enjoy and analyze successful content.

Top Free iPhone Apps of the Week

1. Plants vs. Zombies™ 2 Plants vs. Zombies™ 2
2. Dots: A Game About Connecting Dots: A Game About Connecting
3. Doodle Fit 2: Around the World Doodle Fit 2: Around the World
4. Candy Crush Saga Candy Crush Saga
5. Instagram Instagram
6. Despicable Me: Minion Rush Despicable Me: Minion Rush
7. Vine Vine
8. Gold Diggers Gold Diggers
9. YouTube YouTube
10. Snapchat Snapchat

More detailed stats are available at AppData Pro, Inside Network’s data service supplying performance data, including historical user data, audience demographics, and company information for developers and applications
.