# Dexcom G7

5 Hacker News commenters recommended Dexcom G7 and 7 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** Continuous glucose monitor people find accurate enough and easy to set up; users still verify readings with finger tests and object to data-sharing terms.

## Why people recommend it

- Accurate enough compared with finger tests (2 comments): "Dexcom G7 is accurate enough. I do random tests from finger and it's about there a bit off but close." ([source](https://news.ycombinator.com/item?id=48148851)) "Dexcom G7's are ok (I checked) FWIW." ([source](https://news.ycombinator.com/item?id=46323955))
- Preferred over alternatives for easier setup (2 comments): "For me Dexcom has always been best" ([source](https://news.ycombinator.com/item?id=48159722)) "Dexcom was easier to set up." ([source](https://news.ycombinator.com/item?id=46390315))

## What people warn about

- Readings sometimes inaccurate (2 comments): "Dexcom G7 is accurate enough. I do random tests from finger and it's about there a bit off but close." ([source](https://news.ycombinator.com/item?id=48148851)) "Dexcom G7 has had inaccuracies for me." ([source](https://news.ycombinator.com/item?id=48159105))
- Data privacy and consent concerns (2 comments): "certainly nothing that would constitute proper notice, and not something that I had real knowledge of" ([source](https://news.ycombinator.com/item?id=50109594)) "they have continuously shown that they will sell it or lose it to a hack" ([source](https://news.ycombinator.com/item?id=49317072))
- Strong frustration with the company (2 comments): "Now that thing is a piece of shit." ([source](https://news.ycombinator.com/item?id=48346107)) "can't confirm- screw you Dexcom." ([source](https://news.ycombinator.com/item?id=46939062))

## Alternatives hackers recommend

- [Abbott FreeStyle Libre](https://hackerapproved.com/p/freestyle-libre.md): 9 recommend
- [Abbott continuous glucose monitor](https://hackerapproved.com/p/abbott-glucose-monitors.md): 8 recommend

## Where to get it

- [See price on Amazon](https://www.amazon.com/s?k=Dexcom+G7+CGM+sensor&tag=hackerapprove-20) (affiliate link)
- [Official site](https://www.dexcom.com/)

## Cite as

Hacker Approved, "Dexcom G7", https://hackerapproved.com/p/dexcom-g7/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).