As we knew, Auto Chess [Closed Beta] is not available on App Store, so you can't get it from there. But it is available on Panda Helper Regular which is a free third-party app store. Now you can download Auto Chess from Panda Helper without jailbreak.
Auto Chess [Closed Beta] updates to 0.1.7,Add a New Season System. The S1 Season opens when updates.
Free Download Auto Chess iOS From Panda Helper：
Step 1: Open Safari and go to Panda Helper official website
http://m.pandahelp.vip/?s=gg or Scan QR code
Step 2: When the website loads, tap on the “Regular” option, There you can see “Download Free Version” button, tap on it.
Step 3: When prompted, tap Install to confirm. Wait for a few seconds to download the app.
Step 4： Once done, go to your device's main Settings > General > Profiles & Device Management and trust the profile that belongs to the Panda Helper app.
Step 5: Now launch Panda Helper, search for Auto Chess and install it. When you open it for the first time, if you see the “Untrusted Enterprise Developer” message again. Just go to the Settings app and trust the profile belonging to Auto Chess as you did with Panda Helper.
Step 6: Check out Auto Chess and enjoy it！
More About Auto Chess：
Auto Chess is an innovative gameplay created by Drodo. By collecting/changing Hero cards, and arranging different formations, 8 chess gamers will be contending for the first prize in the following tens of minutes. Millions of players are challenging each other every day, and, it has become one of the most popular leisure gameplays nowadays.
Make a real fair-play game! The World e-Sports Games are created by Dragonest Co.Ltd., Drodo, and lmbaTV. Million Prize Pool awaiting!
No matter where you come from, welcome to our world and challenge players from all over the world!
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Panda Helper is a free third-party app store. Panda Helper provides lots of tweaked apps, hacked games with awesome advantages like unlimited money or have every level unlocked so that you can enjoy your game without any trouble. Now you can download all of the below tweaks, hacks and paid apps from Panda Helper. And there is no need to jailbreak.
Tip: You can use "ctrl + f" or "command + f" to find app quickly.