# nightguard vs LibreLinkUp

The clearest difference is review sentiment: nightguard at 70% against LibreLinkUp's 29%. nightguard also leads on device support (4 vs 1). LibreLinkUp's advantage is in-app purchases (none vs 2) and rating (4.8 vs 4.4). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. nightguard sells 2 in-app purchases, starting at $1.99 per month. LibreLinkUp asks for nothing beyond the download.

LibreLinkUp holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: LibreLinkUp has 23K ratings behind it against 833, so its average is the more settled of the two. Written reviews complicate that: 70% of nightguard's written reviews are positive against 29% of LibreLinkUp's, so the app with the better star average is not the one people write more warmly about.

nightguard ships an update every 2 months, LibreLinkUp every 3 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | nightguard | LibreLinkUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (833 ratings)](https://appshunter.io/ios/app/nightguard/id1116430352/reviews) | **[4.8 (23K ratings)](https://appshunter.io/ios/app/librelinkup/id1234323923/reviews)** |
| Number of ratings | 833 | **23K** |
| Positive reviews | **70.3% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#119** |
| Size | 11 MB | 89 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [SPORTMEO](https://appshunter.io/developer/1769651057) | [Newyu, Inc](https://appshunter.io/developer/465372406) |

## What reviewers say

### nightguard

[App page](https://appshunter.io/ios/app/nightguard/id1116430352)

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:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nightguard Pro | $1.99 | per month |
| Nightguard Max Subscription | $3.99 | per month |

**What reviewers like**

- 🚀 Great app for monitoring glucose levels
- 👍 Helpful for managing diabetes
- 🤖 Integrates well with Apple Watch
- 📊 Provides useful data visualization

**What reviewers complain about**

- 🐛 Alarms/notifications not working properly
- 🔄 Inconsistent data sync/refresh issues
- 📱 Apple Watch app crashing/not functioning
- 🔢 Issues with unit conversions (mg/dL vs mmol/L)

**Reported bugs**

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

**Requested features**

- 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


### LibreLinkUp

[App page](https://appshunter.io/ios/app/librelinkup/id1234323923)

**Currently charting:** #119 Top Free · Medical (US App Store)

Monitor and support individuals using a FreeStyle Libre sensor and compatible app. View their glucose levels with a quick glance, receive alerts for high or low glucose, and get notified about sensor status. Understand glucose patterns with history and insights.

**Highlights:** Remote glucose monitoring, Glucose history and insights, Glucose alarms (high/low), Sensor alerts, Dark mode for viewing

**In-app purchases:** none

**What reviewers like**

- 👍 Ease of use
- 🚀 Convenient remote monitoring
- 💡 Helpful for managing diabetes
- 🚀 Instant data updates
- 👍 Provides peace of mind

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Unreliable notifications
- 🐛 Inconsistent data accuracy
- 🐛 Frequent app crashes
- 🐛 Confusing setup process

**Reported bugs**

- Sudden loss of connectivity
- Inconsistent data sync between devices
- Alarms not triggering as expected
- Inability to log in or create account

**Requested features**

- Add graph and trend visualization
- Allow customizable alarms and notifications
- Integrate insulin dosage and food intake logging
- Provide historical data access beyond 12 hours
- Enable Apple Watch integration


## Frequently asked questions

### Is nightguard free?

nightguard is free to download, with in-app purchases available.

### Is LibreLinkUp free?

LibreLinkUp is free to download, with no in-app purchases.

### Which has better reviews, nightguard or LibreLinkUp?

LibreLinkUp is rated higher. nightguard averages 4.4 out of 5 from 833 ratings, while LibreLinkUp averages 4.8 from 23K ratings.

### Do nightguard or LibreLinkUp have ads?

Neither nightguard nor LibreLinkUp shows ads.

### Which is updated more often, nightguard or LibreLinkUp?

nightguard ships an update every 2 months, and LibreLinkUp every 3 months. Most recently, nightguard was updated on September 22, 2026 and LibreLinkUp on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*