30-Day Free Trial

A 30-day free trial gives you access to a game or service for a fixed, limited amount of time without having to pay for it until the time is elapsed. After that, the trial period ends, and you'll have to dish out the dough if you want to continue. If it's a subscription-based service, you'll often be billed automatically for another month once the trial is over.note 

Thirty days is common, but any length of time counts.

Not to be confused with the Freemium model, where the free version of the game has limited content, but no time restrictions; Freemium services often include a 30-day free trial of the premium version. Shareware often uses this model as well.

If advertising plays up the trial version with phrases like "Play now for free!" while playing down the actual and full cost, it may just be an Allegedly Free Game.

Examples:

Video Games
  • Free players of RuneScape can try a 14-day free trial of membership without having to pay.
  • EVE Online has a 14-day free trial. There are ways to get a 21-day trial, however.
  • Star Wars: Galaxies offered new accounts a 14-day free trial of the game, rewarding those who subscribe at the end with a bonus item that boosts their Experience Points temporarily.
  • Rift has a seven-day free trial.
  • Most of the games at Big Fish Games have a one-hour trial period. If you want to keep playing after the hour, you'll need to buy the game. (Since they're a Casual Video Game company, not an MMO, one hour is usually enough time to see if you like the game or not.)
  • GameHouse, another Casual Video Game site, works the same way as Big Fish Games: The games can be played for one hour free; to play longer you need to buy it.
  • PlanetSide once had a Reserves event note  which included a one year long trial that stood up to its name by attracting a lot of players. The game also had a seven-day trial before and after the Reserves, but a few years after the Reserves ended, the trials ended because they were very convenient for hackers - they'd get banned, then immediately make another trial account. The sequel switched to full free-to-play with Microtransactions.
  • Steam frequently has "free weekends". Typically for multiplayer based games (the game in question also tends to be discounted for the same length of time).
  • Escape Velocity is distributed as shareware. You can download and play for free for 30 days (though the plots cut off about the halfway point), after which many pieces of the game (certain ships, for instance) are blocked off. And in Nova, Captain Hector will hunt you down and kill you.
  • Playing Minecraft on an account that hasn't bought the game yet will limit the player to 100 minutes (5 in-game days) of gameplay on a preset world, after which their only options are to reset the world or buy the game.
  • Final Fantasy XIV has a free 30 day trial for new players who wish to experience the game before buying it and starting a subscription. However, the trial imposes several limitations on free trial players, such as capping their level at 20 and being unable to send friend requests or private messages. This also doubles as a barrier against people who would use the free accounts to send spam to everyone or making dummy accounts for botting.

Other
Much more useful were the floppies AOL (and some of its competitors) used in the 1980s and '90s which could be erased and used for your own data. Many people never had to buy a diskette of their own even once, thanks to the mountain of them flowing through their mail slot courtesy of AOL.
  • Netflix has many different avenues of giving new customers 30-day free trials.
  • Skype had the seven-day free trial of group video calling, back when that was a premium feature.
  • Some dating sites will have a "communicate for free this weekend" promo for new members.
  • WinRAR subverts this trope. The trial version says you have 40 days until you need to buy it, but even after that it still works.
    • mIRC does the same thing, except for 30 days.
  • For new registrants with Ooma, there is a free 60-day trial of their Premier service, which offers more features (for example, call forwarding and call blocking.) After that, however, you can either opt for the Basic service (which doesn't have all the bells and whistles, but also doesn't have a subscription fee), or pay $10 a month for the Premier, whose features usually cost 3x as much with a regular landline phone plan.
  • Extremely common for free for home use computer security software, you are allowed to start a 30 day free trial that unlocks additional features, such as fully automatic updates, and removes nag screens.
  • Music streaming service Spotify lets you use Spotify Premium for two weeks. You can download songs so you don't need Wi Fi to listen, there aren't any ads, and you can pick individual tracks instead of always shuffling.

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