Are there any cheats for Howrse

It is not possible to cheat on the game Howrse. For special items, you can purchase from the black market under breeding tab > the black market > then choosing the item you want. To increase money you can sell items, howrses, complete lessons and competitions, gain a job, and complete achievements.
Owlient sometimes runs promotions which reward players with free and special items. However, there are no cheat cards, codes, cheat engines, or ways to get free items or money other than through achievement levels and occasional promotional events. These are advertised on the news page and in the events forum as and when they happen.