Yes its so low but i dont regret :D.
there was a GH community made spread sheet on the rates of SG drops from the steam daily chest, not sure where it is now but likely still on the forums somewhere. I find it personally not worth it for the extra wee of SG that normally watching just one ad on the mobile app covers
in 3 steps
Choose the game that interests you and play itfor free.
Every game has some quests for which you will receive Soul Gems.
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
You know that on Gamehag you can get real rewards for free, right? Join us, complete walkthrough and get your chest!
I claimed my daily steam chest more or less 30 times already and always I was getting 1 or 5 gems. Never more of that. It seems unfair. I'm advertising gamehag at my steam (with nickname and avatar) and they give for that 1 or 5 gems only, really?