BackupCompareBackup internet, compared

Backup internet, compared by what it costs to keep ready.

Standby cost is the monthly price of having a second line waiting. Sorted cheapest first.

No provider add-on? Compare cheap data-only SIM plans for a backup router.

All backup add-ons

Backup internet add-ons compared by standby cost per month.
OptionStandby cost/moWhat you getNetworkTypeDetails
T-Mobile Home Internet Backup $20/mo$20/month with AutoPay, plus taxes and fees 100 hours of data a month T-Mobile 5G backupT-Mobile Fiber or any other provider View
Frontier Unbreakable Wi-Fi $25/mo 130GB per billing cycle Cellular, carrier not named 4G LTE backupFrontier Fiber only View
Spectrum Invincible WiFi $30/moIncluded with Internet 2 Gig; $20/mo with Internet 1 Gig or when bundled Unlimited; may be network-managed during heavy congestion Cellular, carrier not named 5G backupSpectrum Internet plans View
Verizon Wi-Fi Backup $30/mo$20/mo with Auto Pay and a Verizon mobile plan; $25/mo with Auto Pay and no mobile plan Unlimited data on seven 24-hour periods a month Verizon Cable or fiber from any provider View
How we check
  • Each figure is copied from the provider's own page, with the words it came from and the date we read it.
  • "Not published" means the page doesn't state it. We never fill a gap with a guess.
  • A price that needs a discount, such as Auto Pay or a mobile plan, is shown at the standard price, with the condition under it.
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