Verizon is overhauling its data and pricing plan by giving customers 30% more data, but it’ll cost you. The largest carrier in the US announced the changes to its plans on Wednesday along with a new My Verizon app and a slew of additional features.

The carrier’s changes follow growing competition from the likes of T-Mobile, which has helped to upend the wireless industry with its Uncarrier initiatives that don’t require contracts.

With the new plans, Verizon will charge Small and Medium plan users an additional $5 a month, bringing the cost of a Small plan to $35 per month and the cost of a Medium plan $50. That increase brings the data allotment for Small data subscribers to 2GB per month from 1GB. The Medium plan jumps to 4GB per month from 3GB.

The Large plan now costs $70 per month rather than $60 and gets 8GB of data, up from 6GB. X-Large subscribers will also pay an additional $10 a month for a total of $90 and receive 16GB of data compared to 12GB. Finally, XX-Large subscribers will see a price jump to $110 from $100 and get 24GB of data compared to the plan’s previous 18GB.

Existing customers won’t see any price increases, but if you want the new, larger data pools, you’ll have to make the jump to the new plans.

In addition to the new pricing structure, Verizon says it will now allow users to carry unused data over to the next month. Unfortunately, Verizon says you can only carry data over for one month. After that it just disappears.

T-Mobile, on the other hand, lets you carry your data over for up to a year. Verizon says limiting the amount of carryover data to one month makes the process less confusing to customers. It doesn’t hurt that doing so gives Verizon more opportunities to charge customers for overages and additional data.

Speaking of overages, Verizon has also unveiled a new Safety Mode that throttles your data speeds from 4G LTE to 128 kilobits per second, which is significantly slower than even the company’s 3G speeds. And that’s incredibly slow, it still allows you to browse the web for free without having to pay for data overages. The feature is free to X-Large and XX-Large subscribers, but if you’re on a Small, Medium or Large plan, you’ll have to pay an extra $5 a month.

If you do burn through your monthly data cap, you can also choose to pay $15 for an additional 1GB.

Verizon also said it will now offer free international calling and texting in Mexico and Canada to X-Large and XX-Large subscribers. But again, Small, Medium and Large subscribers need to pay $5 for the feature.

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