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Best SIM Only Deals in January 2025 Revealed

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Finding the best budget-friendly SIM-only deals can shave a good chunk off your monthly mobile expenses. We’ve sifted through the latest offers to bring you the best SIM-only deals for January 2025. Here’s the lowdown:

Three: Unlimited Data

  • Network: Three
  • Data: Unlimited
  • Contract: 12 Months
  • Price: £14.00 per month
  • Total Cost: £168.00
  • Note: Annual price could rise by CPI+3.9% in April

See deal here

This plan offers truly unlimited data, perfect for heavy streamers and avid internet users. “Three’s unlimited plan is an excellent choice for those who don’t want to worry about running out of data,” says Tom Church.

Three+ Rewards

As a bonus, Three customers can enjoy the Three+ rewards scheme, offering discounts on cinema tickets, food, and more.

iD Mobile: Unlimited Data

- Network: iD

- Data: Unlimited

- Contract: 1 Month

- Price: £15.00 per month

- Total Cost: £15.00

See deal here

With a rolling 1-month contract, this plan is for those who crave flexibility and don’t want long-term commitments. “For those who like to keep their options open, iD’s monthly plan provides just that without breaking the bank," says Tom Church.

iD Mobile: Unlimited Data (24 Months)

  • Network: iD
  • Data: Unlimited
  • Contract: 24 Months
  • Price: £16.00 per month
  • Cashback: £192
  • Effective Monthly Cost: £8.00
  • Total Cost: £192.00

See deal here

If you’re comfortable with a long-term contract, this plan rewards you with substantial cashback, effectively reducing your monthly cost to just £8.00. “A fantastic deal for those who don’t mind settling down with their provider for a couple of years,” notes Tom Church.

Vodafone: 200GB Data

  • Network: Vodafone
  • Data: 200GB
  • Contract: 24 Months
  • Price: £15.00 per month
  • Cashback: £72
  • Effective Monthly Cost: £12.00
  • Total Cost: £288.00

- See deal here

Offering a hefty 200GB of data, this Vodafone plan is suitable for high-data users. However, a small note on price increases each April for Basic Plans should be taken into account. “Vodafone provides a solid plan for those who use a considerable amount of data,” Tom Church comments.

VeryMe Rewards

Vodafone customers also benefit from VeryMe rewards, which include free coffee, snacks, and discounts on various brands.

Vodafone: 100GB Data

  • Network: Vodafone
  • Data: 100GB
  • Contract: 24 Months
  • Price: £13.00 per month
  • Cashback: £48
  • Effective Monthly Cost: £11.00
  • Total Cost: £264.00

See deal here

This mid-tier data plan is perfect for those who want reliable coverage and generous data without breaking the bank. With cashback, the price becomes even more attractive. “A sweet spot for those between light and heavy data use,” says Tom Church.

Three: 120GB Data

  • Network: Three
  • Data: 120GB
  • Contract: 24 Months
  • Price: £12.00 per month
  • Cashback: £48
  • Effective Monthly Cost: £10.00
  • Total Cost: £288.00

See deal here

A perfect balance for moderate data users, this deal from Three is enhanced by cashback. Remember to consider potential annual price rises. “It’s a goldilocks amount of data for many users,” Tom Church points out.

Explore these deals to find the one that suits your needs the most, ensuring you stay connected without overpaying.

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