Brandwave

Google Fi vs T-Mobile Prepaid:Which is more popular?

In September 2026, Google Fi had more branded searches than T-Mobile Prepaid among prepaid phone carriers in United States. Google Fi had about 246,000 branded searches, while T-Mobile Prepaid had 110,000. Google Fi made up 3.2% of all prepaid phone carrier searches we track, and T-Mobile Prepaid accounted for 1.4%. When we asked ChatGPT and Google AI Overviews about prepaid phone carriers, T-Mobile Prepaid appeared in three of the five answers and Google Fi in none.

Among prepaid phone carriers in United States in September 2026

Who do people search for more?

Google Fi, about 2 searches for every 1 for T-Mobile Prepaid

Google Fi 246K searchesT-Mobile Prepaid 110K searches

Who does AI mention more?

T-Mobile Prepaid, mentioned in 3 of 5 answers, Google Fi in 0

T-Mobile Prepaid in 3 of 5Google Fi in 0 of 5

Who does AI recommend more?

T-Mobile Prepaid, the only one of the two named

T-Mobile Prepaid first in 3Google Fi never named

Follow Google Fi vs T-Mobile Prepaid and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top prepaid phone carriers in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, T-Mobile Prepaid was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Google Fi did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Mint Mobile1st
  2. US Mobile2nd
  3. Visible3rd
  4. T-Mobile Prepaid4th
  5. Total Wireless5th
  6. Tello6th
  7. Cricket Wireless7th
  8. Straight Talk8th
  9. Boost Mobile–
  10. +2 more
  11. Google Fi–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Mint Mobile5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Visible5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • US Mobile3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • T-Mobile Prepaid3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Straight Talk1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Cricket Wireless1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Total Wireless1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Tello1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Boost Mobile0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Google Fi0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+2 more

See every answer about prepaid phone carriers

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in United States on October 22, 2026.

Is Google Fi or T-Mobile Prepaid more popular in search?

This chart shows how often people search Google for Google Fi and T-Mobile Prepaid by name. Each line represents a brand's share of searches for all 12 prepaid phone carriers we track, month by month, from searches in United States.

Google Fi and T-Mobile Prepaid among prepaid phone carriers in United States, by month

Share of searches by month for Google Fi, T-Mobile Prepaid. The figures are in the table below the chart.

View monthly share of searches table
MonthBoost MobileMetro by T-MobileStraight TalkCricket WirelessConsumer CellularMint MobileTotal WirelessUS MobileGoogle FiT-Mobile PrepaidTelloVisible
Oct 202524.4%16.3%16.3%13.3%7.3%8.9%6%2.7%2.7%1.2%0.66%0.29%
Nov 202525.2%13.7%16.9%13.7%6.2%9.3%6.2%3.4%3.4%1%0.68%0.31%
Dec 202525.2%13.7%16.8%13.7%6.2%9.2%7.6%2.8%2.8%1%0.68%0.37%
Jan 202623.2%15.5%15.5%12.7%7%10.4%7%3.1%3.1%1.1%0.77%0.51%
Feb 202624%16%16%13.1%7.2%8.8%7.2%2.2%2.6%1.2%0.8%0.65%
Mar 202626.9%14.6%14.6%12%8.1%8.1%6.6%2.4%2.9%1.3%0.89%1.6%
Apr 202623.7%15.8%15.8%12.9%7.1%8.7%7.1%2.6%2.6%1.4%0.78%1.4%
May 202623.5%15.7%15.7%12.8%7.1%8.6%7.1%3.2%2.6%1.4%0.95%1.4%
Jun 202622.6%18.5%15.1%12.3%6.8%8.3%6.8%3%3%1.4%1.1%1.1%
Jul 202621.7%17.8%14.5%11.9%8%9.8%6.5%3.6%2.9%1.3%1.1%1.1%
Aug 202621.4%17.6%14.3%11.7%7.9%9.6%6.4%4.3%3.5%1.3%1.1%0.87%
Sep 202619.6%16%16%13.1%8.8%8.8%7.2%3.9%3.2%1.4%0.97%0.97%

How has the Google Fi and T-Mobile Prepaid comparison changed over the last 12 months?

3 findings

How did search popularity change for United States prepaid phone carriers in September 2026?

0 changes

Neither Google Fi nor T-Mobile Prepaid moved beyond provider rounding among prepaid phone carriers in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Google Fi’s and T-Mobile Prepaid’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Google Fi

1 branded search term

  • google fi

T-Mobile Prepaid

1 branded search term

  • t-mobile prepaid

How the Brand Demand Index is measured

Other head-to-heads among prepaid phone carriers

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.

Start free