Comparison

nightguard vs Dulce

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

nightguard

Monitor blood glucose levels from your Nightscout backend. Receive alerts for out-of-range values, track historical data with overlay charts, and tune basal rates with statistics. Optionally sync data to Apple HealthKit.

Highlights
  • Blood glucose value display
  • Customizable glucose range alerts
  • Alert snoozing and reactivation
  • Rapid rise/fall alerts
  • Historical overlay charts
  • Basal rate tuning statistics
  • HealthKit data sync
Features
Read full description

Disclaimer! Don't use this App for medical decisions. It comes with absolutely no warranty. Use it at your own risk! You can use nightguard to submit your bg values to the Apple HealthKit. This is disabled by default but can be enabled in the nightguard app. Nightguard is an app that displays your blood glucose values from the Nightscout backend. It is a native iOS App with support for the Apple Watch. Features are: - Define a range of acceptable blood glucose values. - Whenever your values are out of range you will be alerted. - You can snooze the alerts all the time and for a defined time period. - You can reactivate the alerts all the time. - You can activate alerts if the values are rising or falling too fast. - The app displays yesterdays values as an overlay chart. This way you have a hint about how your values could behave in the future. - Tune your basal rates with the statistics function to overlay different days - Sync your bg values to HealthKit (optional) For the alarms to work the app has to be active. So you can enable a screen lock that keeps the app running all night long. Have a look at www.nightscout.info for more information about how to setup your own Nightscout backend.

About

Dulce

Features
Read full description

Dulce turns your glucose data into something you can actually glance at — clean, calm, and always one look away. Built for people who use a continuous glucose monitor and want a faster, friendlier way to check their numbers. Dulce connects to your compatible CGM account and brings your real-time glucose to the places you already look: your Lock Screen, your Apple Watch, and your Home Screen. WHY PEOPLE CHOOSE DULCE • See your current glucose and trend arrow instantly — no app to open • Live Activity on your Lock Screen keeps your number front and center • Apple Watch complications and app for a true at-a-glance check • Home Screen widgets in number and graph styles • Clear, color-coded view of where you are in range EVERYTHING YOU NEED, NOTHING YOU DON'T • Real-time glucose readings with trend direction • Time-in-range and daily trends, so you can spot patterns • Low and high alerts, including a critical-low safeguard • Quiet hours so alerts respect your sleep • Apple Health integration to keep your data together (read-only) • Designed first in Spanish, fully localized, and made for everyone SIMPLE BY DESIGN No clutter. No noise. Just your glucose, your trend, and the alerts that matter — presented with care so the information is instantly readable, day or night. PRIVACY YOU CAN TRUST Your health data is yours. Dulce reads your glucose to show it to you — that's it. COMPATIBILITY Dulce works with glucose data shared from a supported CGM account. You'll need an active connection to a compatible service to use Dulce. Dulce is a companion viewer and does not replace your CGM app, sensor, or any medical device. IMPORTANT Dulce is not a medical device and is not intended to diagnose, treat, or prevent any disease. Always confirm readings with your official sensor app and consult your healthcare professional before making any treatment decisions. Download Dulce and see your glucose the easy way. Privacy Policy: https://dulceglucosa.com/en/legal/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

nightguard4 screens
Dulce4 screens

Verdict

The call

The clearest difference is update cadence: Dulce at every 4 days against nightguard's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. nightguard sells 2 in-app purchases, starting at $1.99 per month and Dulce sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

nightguard ships an update monthly, Dulce every 4 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
nightguard versus Dulce: the parameters behind the verdict, then further details
ParameternightguardDulce
PriceFreeFree
Rating4.5 (882 ratings) — better—
Positive reviews70.1% of reviews—
Number of ratings882 — better—
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size13 MB71 MB
Age rating17+17+
DeveloperSPORTMEOGiorgi Khimshiashvili

Bugs and requests

nightguard

Reported bugs

4 issues
  • Readings stuck or not updating
  • Nightscout URL not recognized
  • Glucose data not syncing to Apple Health
  • Sudden disappearance of Apple Watch app

Requested features

4 requests
  • Add ability to view/scan graph data points
  • Improve Apple Watch complication and widget
  • Allow custom high/low alert thresholds
  • Provide more detailed user manual/documentation

Dulce

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

nightguard

Subscriptions2
  • Nightguard Pro$1.991 Month
  • Nightguard Max Subscription$3.991 Month
2 purchases

Dulce

Subscriptions2
  • Dulce Pro Monthly14 Days trial$2.991 Month
  • Dulce Pro Yearly14 Days trial$22.991 Year

Questions

Is nightguard free?
nightguard is free to download, with in-app purchases available.
Is Dulce free?
Dulce is free to download, with in-app purchases available.
Do nightguard or Dulce have ads?
Neither nightguard nor Dulce shows ads.
Which is updated more often, nightguard or Dulce?
nightguard ships an update monthly, and Dulce every 4 days. Most recently, nightguard was updated on October 16, 2026 and Dulce on October 7, 2026.

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