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Glucose | Blood Sugar Tracker subscription: cost, reviews, how to cancel

App Sub 1 LLC, Medical

Free on the App Store

Glucose | Blood Sugar Tracker by App Sub 1 LLC. 8 subscription plans from $7.99 per month. 21% of 188 recent reviews mention billing. Verified Sep 8, 2026.

  • App Store rating4.6★ from 28,241 ratings
  • Cheapest subscription$7.99 per month
  • Reviews mentioning billing, last 12 months40 of 188 reviews

On this page: what it costs, how to cancel, what reviewers say.

What the data says

  • Billing complaints in reviews40 of 188 reviews in the last 12 months mention charges, subscriptions, refunds or cancelling (21%)
  • Free trial converts to a paid plan3 days free trial, then $39.99 per year
All signals behind this verdict
Reviews in the last 12 months188
Reviews mentioning billing40 (21.3%)
One- or two-star share, last 90 days88% of 8
App Store rating4.6 (28,241 ratings)
Developer's apps9, 3 removed from the store
Age3,704 days
Days since last update59
Subscription plans11
Subscription price changes, last 12 months21
Overall review sentimentnegative

Thresholds and definitions: how we rate apps.

What Glucose | Blood Sugar Tracker costs

Download: Free. Subscriptions start at $7.99 per month.

  • Glucose+Renews every month, no trial$7.99
  • Glucose+Renews every month, no trial$8.99
  • Glucose+Renews every month, no trial$9.99
  • Glucose+Renews every year, no trial$29.99
  • Glucose+Renews every year, no trial$39.99
  • Glucose+3 days free trial, then renews every year$39.99
  • Glucose+7 days free trial, then renews every year$39.99
  • Glucose+Renews every year, no trial$49.99

How to cancel Glucose | Blood Sugar Tracker

  1. Open Settings on your iPhone and tap your name at the top.
  2. Tap Subscriptions.
  3. Select Glucose | Blood Sugar Tracker (listed under a plan name such as Glucose+).
  4. Tap Cancel Subscription and confirm. You keep access until the end of the paid period.

If the app is not in that list, it was not billed through Apple. Cancel it with the developer instead: support page.

Charged after cancelling or during a trial? Request a refund at reportaproblem.apple.com within 90 days.

What reviewers say

Rating breakdown

  • 5★77% (22,009)
  • 4★12% (3,417)
  • 3★3% (1,126)
  • 2★1% (398)
  • 1★4% (1,291)

Recent updates

  • 3.16.3Jul 10, 2026
  • 3.16.2Jun 3, 2026
  • 3.16.1May 14, 2026
  • 3.16.0May 11, 2026
  • 3.15.0May 1, 2026

Praised

  • Easy to use
  • Simple and straightforward
  • Estimated A1C feature
  • Graphs and data visualization

Complained about

  • Subscription model to access full features
  • Recent update removed decimal point for glucose entries
  • Locked features behind paywall
  • Sudden changes to free version

Reported bugs

Apple Watch app not functioning; Sync issues with HealthKit causing duplicate entries.

Recent one-star reviews

I want my money back or at least a prorated subscription. Complete radio silence from the devsUpdate 3: anyone out there? Hello? Did you fix this app? I had the paid subscription, but it ended up not working after iOS 26 Still waiting to hear from someone. Anyone. Ended up with months I couldn’t use after paying. Update 2: still haven’t heard from anyone. It’s like the developer has abando…

Grayyyz, Aug 9, 2026

Used to work nicely with Dario; doesn’t anymore. Canceling…Canceling sub; used to work nicely with Dario; no longer connects at all!

yaj973, Jul 26, 2026

Does not workCannot use, instantly crashes when I try to use app, I paid 40 dollars for a worthless app. I hope I can get a refund from apple. Do not recommend.

Diabetes22yrs, Jul 23, 2026

Recent five-star reviews

Update: OMG they fixed it!Update: They added sliders in the settings to turn off the additional "features" and now I have a useful app again. The rest of my subscription will be used with gratitude! I will be happy to renew at the original price if they don't attempt this monstrous behavior again! Old: The latest update des…

Longjourney4, Jun 29, 2026

Great App but can’t use the Carb areaLove this app but please show how the carb area works. Changing the budget is easy can’t seem to log any current grams Thanks

Gator, May 31, 2026

ExcellentI am using and looks good and easy to use

Bharat, Jan 31, 2026

About the developer

App Sub 1 LLC has published on the App Store since Jun 11, 2014: 9 app(s), 3 of them no longer in the store.

Alternatives to Glucose | Blood Sugar Tracker

Also similar: Diabetes Tracker by MyNetDiary (4.7★), Blood Pressure & Glucose Pal (4.0★)

Questions people ask

How much does Glucose | Blood Sugar Tracker cost?

Download: Free. Subscriptions start at $7.99 per month.

How do I cancel Glucose | Blood Sugar Tracker?

On your iPhone open Settings, tap your name, tap Subscriptions, select Glucose | Blood Sugar Tracker and tap Cancel Subscription. You keep access until the end of the paid period.

Does Glucose | Blood Sugar Tracker have a free trial?

Yes: Glucose+ offers a 3 days free trial, then $39.99 per year.

Is the Glucose Blood Sugar Tracker app free to use?

Yes, the app is available for free installation. It also offers in-app purchases, indicating that some advanced features or content may require payment.

Glucose | Blood Sugar Tracker in one paragraph

Glucose | Blood Sugar Tracker by App Sub 1 LLC is a Medical app for iPhone. Download: Free. Subscriptions start at $7.99 per month across 8 plan(s). App Store rating 4.6 from 28,241 ratings. 40 of 188 reviews in the last 12 months mention charges, subscriptions, refunds or cancelling (21%). The developer has 9 app(s) on the App Store, 3 no longer listed. Cancel through Settings › Subscriptions on the iPhone. Data verified Sep 8, 2026 by AppsLupa.

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