What are some alternatives?
When comparing iRewardHealth and Penny, you can also consider the following products
SQRL - Save $1 for every 1000 steps you take
Spendee - See where your money goes
Physio Health - Stay healthy, get rewards.
Digit - SMS bot that monitors your bank account & saves you money
Tep - Fitness tracker meets tamagotchi. Don't starve it!
Olivia - Your new best friend built with an artificial neural network