Coupled with FreedomPop's 500 MB of free 4G data, consumers will be able to save thousands of dollars compared to their existing cell phone plans.

ENGADGET: FreedomPop pals up with TextPlus to offer free SMS Mobile

Ting Cell Phone Plans For Business Owners (and Consumers, really).

FORBES: iPhone5 Growth For Entrepreneurs From Walmart And China

Ting launched in February for consumers, but the company realized that small business customers had a need for greater clarity and control over their cell phone plans, especially when it came to figuring out savings and employee plans.

FORBES: What Phone Should I Get? Ting Cell Phone Plans For Business Owners

Forging ahead despite the cell carriers' chilly reception to the whole iTunes phone concept, Apple plans to unleash its iTunes software for mobile phone by June.

ENGADGET: iTunes Mobile to launch in June

Sprint also markets cell phone service through several discount carriers that focus on no-contract mobile plans, such as Virgin Mobile and Boost Mobile -- and some of these brands are starting to market 4G phones and service.

CNN: Report: Verizon offers nation's fastest 4G service

Touting itself as the industry's "first smart mobile provider, " Zact takes an entirely different tact to cell phone service, offering the consumer total control over voice, text and data plans, even across multiple devices.

ENGADGET

The service is loaded with features and plans that will appeal to small business customers looking for control in managing their company cell phone use and costs.

FORBES: What Phone Should I Get? Ting Cell Phone Plans For Business Owners