These two variants are common for all agencies. Everything else is some modification of them. Prices, terms, the number of candidates all vary. There is only one thing that unites these numerous agencies - the indifference to what will happen (or will not happen) after the meeting of the partners.
If you have found some faces that appeal to you while viewing a catalogue, do not hurry to buy their addresses even if cost of such service is not too high. The worker of an agency is glad to provide you with these addresses and to get money. He would not forget to sign a contract with you. It says that the firm has sold a certain amount of phone numbers of the clients and has no further responsibility. It means that if you did not have a single date, you cannot make any claims to the agency.
"So why would the dates not take place?" - you ask. It is very simple - many of those whom you wish to call would hardly recollect having sent the photo for the catalogue, because it happened two or three years ago. The fact that data quickly becomes outdated is one of the drawbacks of data file system. During all this time a lot of things could change - for example, the interest had gone, a boyfriend or a girlfriend or even a spouse had appeared a long time ago. But you cannot expect even those still interested in meeting a partner to be very happy about your call. After the conversation, he (r she could decide that they do not like the fact that you have children or that you speak with a strong accent or that you are temporarily out of job. There could be a bunch of reasons. And the more reasons, the less chances you have of a positive result.
In other words, the biggest drawback of data file system is the fast ageing of data stored in it, true only at the moment of the client registration. Constant updating of client information is a complex and skilful business. That is why the employees of agencies almost never do it and continue to offer nonexistent variants. In an article describing the work of marriage agencies in Germany, "Melancholy Business" in the "Stern" magazine, clients of such data files are referred to as "dummies"