We have released different version of Dropcatch Software and our customers may confuse which one they should purchase.
We rated them in following order.
If your budget is limited and plan to purchase one software only, Dynadot is your best choice. Then eNom, follow by NameSilo and finally OpenProvider. You may want to buy all the software to increase your chance for a successful dropcatch.
Hope this help for the newcomer and good luck on Dropcatching!