Nightscouter vs nightguard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nightscouter
This app allows iOS users to view Continuous Glucose Monitoring (CGM) data from Nightscout-enabled websites directly on their devices. It provides a convenient way to access important health information.
- View CGM data
- Connects to Nightscout websites
- iOS device compatibility
- Supports Apple Watch
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Nightscouter retrieves data from existing Nightscout enabled websites and allows iOS users to view CGM data on their iOS devices. See: http://www.nightscout.info for more information on Nightscout.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is review sentiment: nightguard at 70% against Nightscouter's 20%. nightguard also leads on rating (4.5 vs 2.0) and ratings volume (878 vs 9). Nightscouter's advantage is in-app purchases (none vs 2) and iOS requirement (13.6 vs 17.0). On price, ads 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
Both are free to download. nightguard sells 2 in-app purchases, starting at $1.99 per month. Nightscouter asks for nothing beyond the download.
nightguard holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: nightguard has 878 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 20% of Nightscouter's written reviews are positive against 70% of nightguard's.
Nightscouter ships an update every 5 months, nightguard every 5 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | Nightscouter | nightguard |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (9 ratings) | 4.5 (878 ratings) — better |
| Positive reviews | 20.0% of reviews | 70.1% of reviews — better |
| Number of ratings | 9 | 878 — better |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 13.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 13 MB |
| Age rating | 12+ | 17+ |
| Developer | Peter Ina | SPORTMEO |
Customer experience
Nightscouter
nightguard
Bugs and requests
Nightscouter
Not enough reviews yet to summarise bugs or 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
In-app purchases
Nightscouter
No in-app purchases
nightguard
- Nightguard Pro$1.991 Month
- Nightguard Max Subscription$3.991 Month
